Main board components for PCB 1.3 (English)
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This is a complete overview of all components of the PCB 1.3 and their respective purpose. Components formatted in bold do not come pre-assembled but have to be manually soldered.
There's a forum discussion where questions and suggestions related to this page can be placed.
| Name | Description | Value |
|---|---|---|
| BY1 | Clamping diode against +24 V for connector 1 of the mowing motor | BY 500/1000 |
| BY2 | Clamping diode against 0 V for connector 1 of the mowing motor | BY 500/1000 |
| BY3 | Clamping diode against +24 V for connector 2 of the mowing motor | BY 500/1000 |
| BY4 | Clamping diode against 0 V for connector 2 of the mowing motor | BY 500/1000 |
| BY5 | Clamping diode against +24 V for connector 1 of the left motor | BY 500/1000 |
| BY6 | Clamping diode against 0 V for connector 1 of the left motor | BY 500/1000 |
| BY7 | Clamping diode against +24 V for connector 2 of the left motor | BY 500/1000 |
| BY8 | Clamping diode against 0 V for connector 2 of the left motor | BY 500/1000 |
| BY9 | Clamping diode against +24 V for connector 1 of the right motor | BY 500/1000 |
| BY10 | Clamping diode against 0 V for connector 1 of the right motor | BY 500/1000 |
| BY11 | Clamping diode against +24 V for connector 2 of the right motor | BY 500/1000 |
| BY12 | Clamping diode against 0 V for connector 2 of the right motor | BY 500/1000 |
| C1 | Decoupling capacitor for input of +5 VP voltage regulator | 22uF |
| C2 | Due reset circuit | 47uF |
| C3 | INA169, IOref stabilization | 10uF |
| C4 | Decoupling capacitor for input of +5 VP voltage regulator | 100nF |
| C5 | Decoupling capacitor for input of +3.3 VP voltage regulator | 100nF |
| C6 | Decoupling capacitor for output of +3.3 VP voltage regulator | 100nF |
| C7 | Decoupling capacitor for output of +5 VP voltage regulator | 100nF |
| C8 | Decoupling capacitor for output of +5 VP voltage regulator | 22uF |
| C9 | Arduino Mega, AREF stabilization | 100nF |
| C10 | Smoothing of input voltage for motor driver 1 (left/right motors) | 2200uF 63V |
| C11 | Smoothing of input voltage for motor driver 2 (mowing motor) | 2200uF 63V |
| C12 | Undervoltage protection | 22uF / 63V |
| C13 | Decoupling capacitor for output of +3.3 VP voltage regulator | 22uF |
| C14 | Decoupling capacitor for +5.0 VP for odometry | 100nF |
| C15 | Decoupling capacitor for +5.0 VP for odometry | 100nF |
| C16 | Decoupling capacitor for +5.0 VP for odometry | 100nF |
| C17 | Decoupling capacitor for +5.0 VP for odometry | 100nF |
| C18 | Decoupling capacitor for +5.0 VP for odometry | 100nF |
| C19 | I2C Spare 2 Vcc out, decoupling capacitor | 100nF |
| C20 | I2C Spare 3 Vcc out, decoupling capacitor | 100nF |
| C21 | I2C Spare 4 Vcc out, decoupling capacitor | 100nF |
| C22 | I2C RTC Vcc out, decoupling capacitor | 100nF |
| C23 | I2C Spare 5 Vcc out, decoupling capacitor | 100nF |
| C24 | I2C Spare 6 Vcc out, decoupling capacitor | 100nF |
| C25 | I2C Spare 7 Vcc out, decoupling capacitor | 100nF |
| C26 | I2C Vcc in, decoupling capacitor | 100nF |
| C27 | I2C Vcc in, decoupling capacitor | 100nF |
| C28 | I2C Vcc in, decoupling capacitor | 100nF |
| C29 | I2C Vcc in, decoupling capacitor | 100nF |
| C30 | I2C Vcc in, decoupling capacitor | 100nF |
| C31 | I2C Vcc in, decoupling capacitor | 100nF |
| C32 | I2C Vcc in, decoupling capacitor | 100nF |
| C33 | RTC Vcc, decoupling capacitor | 100nF |
| C34 | Decoupling capacitor for Bluetooth Vcc | 100nF |
| C35 | Decoupling capacitor for Wifi Vcc | 100nF |
| C36 | Decoupling capacitor for GPS Vcc | 100nF |
| CC1 | Capacitor of the RC snubber to improve EMC of the mowing motor | MP3-Y2 10N |
| CC2 | Capacitor of the RC snubber to improve EMC of the left motor | MP3-Y2 10N |
| CC3 | Capacitor of the RC snubber to improve EMC of the right motor | MP3-Y2 10N |
| D1 | clamping diode against 0 V for battery polarity protection | MBR 1045 |
| D2 | Undervoltage protection | SMD ZF 15 |
| D3 | Station LED | StationLed |
| D4 | Prevents back-feeding +9 V from C1 when F1 or JP1 disconnects | S 1G SMD |
| D5 | Arduino Mega, PL4 protection, drop left | TSS0230LU |
| D6 | Arduino Mega, PA1 protection, drop right | TSS0230LU |
| D7 | Polarity protection | SMD ZF 15 |
| D8 | Arduino Mega, AD4 over-voltage protection, perimeter right | TSS0230LU |
| D9 | Protection diode against battery back-charging | MBR 1045 |
| D10 | Flyback diode for the battery charging relay K3 | 1N4148 |
| D11 | Arduino Mega, AD5 over-voltage protection, perimeter left | TSS0230LU |
| D12 | Undervoltage protection | TSS0230LU |
| D13 | Undervoltage protection | TSS0230LU |
| D14 | Undervoltage protection | TSS0230LU |
| D15 | Undervoltage protection | TSS0230LU |
| D16 | Arduino Mega, AD4 under-voltage protection, perimeter right | TSS0230LU |
| D17 | Power good LED +5.0 VP | +5VP |
| D18 | Power good LED +3.3 VP | +3,3VP |
| D19 | Power good LED +3.3 V | +3,3V |
| D20 | Power good LED +24 V | +24V |
| D21 | Power good LED +5.0 V | +5V |
| D22 | Power good LED for motor driver 1 (left/right motors) | Dual1 |
| D23 | Power good LED for motor driver 2 (mowing motor) | Dual2 |
| D24 | Arduino Mega, AD5 under-voltage protection, perimeter left | TSS0230LU |
| D25 | Arduino Mega, PA1 under-voltage protection, drop right | TSS0230LU |
| D26 | Arduino Mega, PA1 over-voltage protection, drop right | TSS0230LU |
| D27 | Arduino Mega, PC2 under-voltage protection, tilt | TSS0230LU |
| D28 | Arduino Mega, PC2 over-voltage protection, tilt | TSS0230LU |
| D29 | Arduino Mega, PD7 over-voltage protection, bumper right | TSS0230LU |
| D30 | Arduino Mega, PD7 under-voltage protection, bumper right | TSS0230LU |
| D31 | Arduino Mega, PG2 over-voltage protection, bumper left | TSS0230LU |
| D32 | Arduino Mega, 9 over-voltage protection, spare 9 | TSS0230LU |
| D33 | Arduino Mega, 8 over-voltage protection, spare 8 | TSS0230LU |
| D34 | Arduino Mega, PG2 under-voltage protection, bumper left | TSS0230LU |
| D35 | Arduino Mega, 9 under-voltage protection, spare 9 | TSS0230LU |
| D36 | Arduino Mega, 8 under-voltage protection, spare 8 | TSS0230LU |
| D37 | Arduino Mega, PG1 over-voltage protection, lawn sensor front receive | TSS0230LU |
| D38 | Arduino Mega, PG1 under-voltage protection, lawn sensor front receive | TSS0230LU |
| D39 | Arduino Mega, PG0 over-voltage protection, lawn sensor front send | TSS0230LU |
| D40 | Arduino Mega, PG0 under-voltage protection, lawn sensor front send | TSS0230LU |
| D41 | Arduino Mega, PL7 over-voltage protection, lawn sensor back send | TSS0230LU |
| D42 | Arduino Mega, PL7 under-voltage protection, lawn sensor back send | TSS0230LU |
| D43 | Arduino Mega, PL6 over-voltage protection, lawn sensor back receive | TSS0230LU |
| D44 | Arduino Mega, PL6 under-voltage protection, lawn sensor back receive | TSS0230LU |
| D45 | Arduino Mega, PL5 over-voltage protection, rain sensor | TSS0230LU |
| D46 | Arduino Mega, PL5 under-voltage protection, rain sensor | TSS0230LU |
| D47 | Arduino Mega, PL4 over-voltage protection, drop left | TSS0230LU |
| D48 | Arduino Mega, PL4 under-voltage protection, drop left | TSS0230LU |
| D49 | Arduino Mega, PL2 over-voltage protection, spare switch 2 | TSS0230LU |
| D50 | Arduino Mega, PL2 under-voltage protection, spare switch 2 | TSS0230LU |
| D51 | Arduino Mega, PL3 over-voltage protection, spare switch 1 | TSS0230LU |
| D52 | Arduino Mega, PL3 under-voltage protection, spare switch 1 | TSS0230LU |
| D53 | Arduino Mega, AD7 over-voltage protection, spare 7 | TSS0230LU |
| D54 | Arduino Mega, AD7 under-voltage protection, spare 7 | TSS0230LU |
| D55 | Arduino Mega, AD6 over-voltage protection, spare 6 | TSS0230LU |
| D56 | Arduino Mega, AD6 under-voltage protection, spare 6 | TSS0230LU |
| D57 | Arduino Mega, PL0 over-voltage protection, temperature/humidity sensor | TSS0230LU |
| D58 | Arduino Mega, PL0 under-voltage protection, temperature/humidity sensor | TSS0230LU |
| D59 | Arduino Mega, AD2 over-voltage protection, battery voltage | TSS0230LU |
| D60 | Arduino Mega, AD2 under-voltage protection, battery voltage | TSS0230LU |
| D61 | Arduino Mega, PL1 over-voltage protection, spare switch 3 | TSS0230LU |
| D62 | Arduino Mega, PL1 under-voltage protection, spare switch 3 | TSS0230LU |
| D63 | Arduino Mega, AD8 over-voltage protection, charge current | TSS0230LU |
| D64 | Arduino Mega, AD8 under-voltage protection, charge current | TSS0230LU |
| D65 | Arduino Mega, AD15 over-voltage protection, spare 15 | TSS0230LU |
| D66 | Arduino Mega, AD15 under-voltage protection, spare 15 | TSS0230LU |
| D67 | Arduino Mega, AD9 over-voltage protection, charge voltage | TSS0230LU |
| D68 | Arduino Mega, AD9 under-voltage protection, charge voltage | TSS0230LU |
| D69 | Arduino Mega, AD13 over-voltage protection, spare 13 | TSS0230LU |
| D70 | Arduino Mega, AD13 under-voltage protection, spare 13 | TSS0230LU |
| D71 | Arduino Mega, AD10 over-voltage protection, spare 10 | TSS0230LU |
| D72 | Arduino Mega, AD10 under-voltage protection, spare 10 | TSS0230LU |
| D73 | Protection diode against back-feeding the charger | MBR 1045 |
| D74 | Arduino Mega, V_IN polarity protection | S 1G SMD |
| D75 | Due reset circuit | TSS0230LU |
| D76 | Due reset circuit | TSS0230LU |
| DKE1 | Flyback diode for input of motor driver 1 (left/right motors) | 15KE33CA |
| DKE2 | Flyback diode for input of motor driver 2 (mowing motor) | 15KE33CA |
| Dual1.1 | Dual motor driver 1, VIN (NC) | MC33926 |
| Dual1.2 | Dual motor driver 1, Gnd | MC33926 |
| Dual1.3 | Dual motor driver 1, Vdd (IOref) | MC33926 |
| Dual1.4 | Dual motor driver 1, M1IN2 (motor left direction) | MC33926 |
| Dual1.5 | Dual motor driver 1, M1IN1 (motor left pwm) | MC33926 |
| Dual1.6 | Dual motor driver 1, M1nD2 (IOref) | MC33926 |
| Dual1.7 | Dual motor driver 1, M1D2 (Gnd) | MC33926 |
| Dual1.8 | Dual motor driver 1, M1nSF (motor left fault) | MC33926 |
| Dual1.9 | Dual motor driver 1, M1FB (motor left sense) | MC33926 |
| Dual1.10 | Dual motor driver 1, EN (motor enable) | MC33926 |
| Dual1.11 | Dual motor driver 1, SLEW (NC) | MC33926 |
| Dual1.12 | Dual motor driver 1, INV (NC) | MC33926 |
| Dual1.13 | Dual motor driver 1, M2IN2 (motor right direction) | MC33926 |
| Dual1.14 | Dual motor driver 1, M2IN1 (motor right pwm) | MC33926 |
| Dual1.15 | Dual motor driver 1, M2nD2 (IOref) | MC33926 |
| Dual1.16 | Dual motor driver 1, M2D1 (Gnd) | MC33926 |
| Dual1.17 | Dual motor driver 1, M2nSF (motor right fault) | MC33926 |
| Dual1.18 | Dual motor driver 1, M2_fb (motor right sense) | MC33926 |
| Dual1.19 | Dual motor driver 1, M1OUT1 (motor left out 1) | MC33926 |
| Dual1.20 | Dual motor driver 1, M1OUT2 (motor left out 2) | MC33926 |
| Dual1.21 | Dual motor driver 1, Gnd | MC33926 |
| Dual1.22 | Dual motor driver 1, VIN (+24 V) | MC33926 |
| Dual1.23 | Dual motor driver 1, M2OUT1 (motor right out 1) | MC33926 |
| Dual1.24 | Dual motor driver 1, M2OUT2 (motor right out 2) | MC33926 |
| Dual2.1 | Dual motor driver 1, VIN (NC) | MC33926 |
| Dual2.2 | Dual motor driver 1, Gnd | MC33926 |
| Dual2.3 | Dual motor driver 1, Vdd (IOref) | MC33926 |
| Dual2.4 | Dual motor driver 1, M1IN2 (mowing motor direction 1) | MC33926 |
| Dual2.5 | Dual motor driver 1, M1IN1 (mowing motor pwm 1) | MC33926 |
| Dual2.6 | Dual motor driver 1, M1nD2 (IOref) | MC33926 |
| Dual2.7 | Dual motor driver 1, M1D2 (Gnd) | MC33926 |
| Dual2.8 | Dual motor driver 1, M1nSF (mowing motor fault 1) | MC33926 |
| Dual2.9 | Dual motor driver 1, M1FB (mowing motor sense 1) | MC33926 |
| Dual2.10 | Dual motor driver 1, EN (motor enable) | MC33926 |
| Dual2.11 | Dual motor driver 1, SLEW (NC) | MC33926 |
| Dual2.12 | Dual motor driver 1, INV (NC) | MC33926 |
| Dual2.13 | Dual motor driver 1, M2IN2 (mowing motor direction 2) | MC33926 |
| Dual2.14 | Dual motor driver 1, M2IN1 (mowing motor pwm 2) | MC33926 |
| Dual2.15 | Dual motor driver 1, M2nD2 (IOref) | MC33926 |
| Dual2.16 | Dual motor driver 1, M2D1 (Gnd) | MC33926 |
| Dual2.17 | Dual motor driver 1, M2nSF (mowing motor fault 2) | MC33926 |
| Dual2.18 | Dual motor driver 1, M2_fb (mowing motor sense 2) | MC33926 |
| Dual2.19 | Dual motor driver 1, M1OUT1 (mowing motor out 1) | MC33926 |
| Dual2.20 | Dual motor driver 1, M1OUT2 (mowing motor out 2) | MC33926 |
| Dual2.21 | Dual motor driver 1, Gnd | MC33926 |
| Dual2.22 | Dual motor driver 1, VIN (+24 V) | MC33926 |
| Dual2.23 | Dual motor driver 1, M2OUT1 (mowing motor out 1) | MC33926 |
| Dual2.24 | Dual motor driver 1, M2OUT2 (mowing motor out 2) | MC33926 |
| EF1 | Charger fuse 5 A | F_5A |
| EF2 | Battery charge/discharge fuse 10 A | F_10A |
| EF3 | Backup power fuse 1 A | 1A |
| F1 | +9 V supply fuse | PTC |
| I2C1.1 | I2C Due IOref | I2C Due |
| I2C1.2 | I2C Due +5.0 Gnd | I2C Due |
| I2C1.3 | I2C Due +5.0 SDA22 | I2C Due |
| I2C1.4 | I2C Due +5.0 SCL22 | I2C Due |
| I2C2.1 | I2C Compass +5.0 VP | IMU Compas |
| I2C2.2 | I2C Compass +5.0 Gnd | IMU Compas |
| I2C2.3 | I2C Compass +5.0 SDA2 | IMU Compas |
| I2C2.4 | I2C Compass +5.0 SCL2 | IMU Compas |
| I2C2.5 | I2C Compass +3.3 VP | IMU Compas |
| I2C3.1 | I2C Display +5.0 VP | Display |
| I2C3.2 | I2C Display +5.0 Gnd | Display |
| I2C3.3 | I2C Display +5.0 SDA3 | Display |
| I2C3.4 | I2C Display +5.0 SCL3 | Display |
| I2C3.5 | I2C Display +3.3 VP | Display |
| I2C4.1 | I2C Spare 4 +5.0 VP | I2C Res.4 |
| I2C4.2 | I2C Spare 4 +5.0 Gnd | I2C Res.4 |
| I2C4.3 | I2C Spare 4 +5.0 SDA4 | I2C Res.4 |
| I2C4.4 | I2C Spare 4 +5.0 SCL4 | I2C Res.4 |
| I2C4.5 | I2C Spare 4 +3.3 VP | I2C Res.4 |
| I2C5.1 | I2C Spare 5 +5.0 VP | I2C Res.5 |
| I2C5.2 | I2C Spare 5 +5.0 Gnd | I2C Res.5 |
| I2C5.3 | I2C Spare 5 +5.0 SDA5 | I2C Res.5 |
| I2C5.4 | I2C Spare 5 +5.0 SCL5 | I2C Res.5 |
| I2C5.5 | I2C Spare 5 +3.3 VP | I2C Res.5 |
| I2C6.1 | I2C Spare 6 +5.0 VP | I2C Res.6 |
| I2C6.2 | I2C Spare 6 +5.0 Gnd | I2C Res.6 |
| I2C6.3 | I2C Spare 6 +5.0 SDA6 | I2C Res.6 |
| I2C6.4 | I2C Spare 6 +5.0 SCL6 | I2C Res.6 |
| I2C6.5 | I2C Spare 6 +3.3 VP | I2C Res.6 |
| I2C7.1 | I2C Spare 7 +5.0 VP | I2C Res.7 |
| I2C7.2 | I2C Spare 7 +5.0 Gnd | I2C Res.7 |
| I2C7.3 | I2C Spare 7 +5.0 SDA7 | I2C Res.7 |
| I2C7.4 | I2C Spare 7 +5.0 SCL7 | I2C Res.7 |
| I2C7.5 | I2C Spare 7 +3.3 VP | I2C Res.7 |
| IC1.1 | Level shifter IN1 duo LED green | UDN 2987 LWTR-6T |
| IC1.2 | Level shifter IN2 duo LED red | UDN 2987 LWTR-6T |
| IC1.3 | Level shifter IN3 status LED | UDN 2987 LWTR-6T |
| IC1.4 | Level shifter IN4 Bluetooth LED | UDN 2987 LWTR-6T |
| IC1.5 | Level shifter IN5 Wifi LED | UDN 2987 LWTR-6T |
| IC1.6 | Level shifter IN6 charging enable LED | UDN 2987 LWTR-6T |
| IC1.7 | Level shifter IN7 GPS LED | UDN 2987 LWTR-6T |
| IC1.8 | Level shifter IN8 buzzer | UDN 2987 LWTR-6T |
| IC1.9 | Level shifter FAULT (NC) | UDN 2987 LWTR-6T |
| IC1.10 | Level shifter Output Enable (always on) | UDN 2987 LWTR-6T |
| IC1.11 | Level shifter Vcc +5.0 VP | UDN 2987 LWTR-6T |
| IC1.12 | Level shifter Gnd | UDN 2987 LWTR-6T |
| IC1.13 | Level shifter OUT8 buzzer | UDN 2987 LWTR-6T |
| IC1.14 | Level shifter OUT7 GPS LED | UDN 2987 LWTR-6T |
| IC1.15 | Level shifter OUT6 charging enable LED | UDN 2987 LWTR-6T |
| IC1.16 | Level shifter OUT5 Wifi LED | UDN 2987 LWTR-6T |
| IC1.17 | Level shifter OUT4 Bluetooth LED | UDN 2987 LWTR-6T |
| IC1.18 | Level shifter OUT3 status LED | UDN 2987 LWTR-6T |
| IC1.19 | Level shifter OUT2 duo LED red | UDN 2987 LWTR-6T |
| IC1.20 | Level shifter OUT1 duo LED green | UDN 2987 LWTR-6T |
| JC2.1 | I2C Spare 2 Vcc out selector, +5.0 VP | JUMPER3 |
| JC2.2 | I2C Spare 2 Vcc out selector, common | JUMPER3 |
| JC2.3 | I2C Spare 2 Vcc out selector, +3.3 VP | JUMPER3 |
| JC3.1 | I2C Spare 3 Vcc out selector, +5.0 VP | JUMPER3 |
| JC3.2 | I2C Spare 3 Vcc out selector, common | JUMPER3 |
| JC3.3 | I2C Spare 3 Vcc out selector, +3.3 VP | JUMPER3 |
| JC4.1 | I2C Spare 4 Vcc out selector, +5.0 VP | JUMPER3 |
| JC4.2 | I2C Spare 4 Vcc out selector, common | JUMPER3 |
| JC4.3 | I2C Spare 4 Vcc out selector, +3.3 VP | JUMPER3 |
| JC5.1 | I2C Spare 5 Vcc out selector, +5.0 VP | JUMPER3 |
| JC5.2 | I2C Spare 5 Vcc out selector, common | JUMPER3 |
| JC5.3 | I2C Spare 5 Vcc out selector, +3.3 VP | JUMPER3 |
| JC6.1 | I2C Spare 6 Vcc out selector, +5.0 VP | JUMPER3 |
| JC6.2 | I2C Spare 6 Vcc out selector, common | JUMPER3 |
| JC6.3 | I2C Spare 6 Vcc out selector, +3.3 VP | JUMPER3 |
| JC7.1 | I2C Spare 7 Vcc out selector, +5.0 VP | JUMPER3 |
| JC7.2 | I2C Spare 7 Vcc out selector, common | JUMPER3 |
| JC7.3 | I2C Spare 7 Vcc out selector, +3.3 VP | JUMPER3 |
| JP1 | +9 V supply enable | pwr 9V |
| JP2 | Bluetooth key | Key |
| JP3 | Connects the second feedback of the mower motor‘s driver with ReserveAD6 | M1FB |
| JP4.1 | Bluetooth Vcc selector +5.0 V | BlueV 5V/3.3V |
| JP4.2 | Bluetooth Vcc selector common | BlueV 5V/3.3V |
| JP4.3 | Bluetooth Vcc selector +3.3 V | BlueV 5V/3.3V |
| JP5 | Wifi Key (GPIO0) | Key |
| JP6.1 | Wifi Vcc selector +5.0 V | WlanV. 5V/3.3V |
| JP6.2 | Wifi Vcc selector common | WlanV. 5V/3.3V |
| JP6.3 | Wifi Vcc selector +3.3 V | WlanV. 5V/3.3V |
| JP7.1 | GPS Vcc selector +5.0 V | GpsV 5V/3.3V |
| JP7.2 | GPS Vcc selector common | GpsV 5V/3.3V |
| JP7.3 | GPS Vcc selector +3.3 V | GpsV 5V/3.3V |
| JP8.1 | Undervoltage protection, Arduino selected | UV.Abschaltung |
| JP8.2 | Undervoltage protection, common | UV.Abschaltung |
| JP8.3 | Undervoltage protection, IOref selected | UV.Abschaltung |
| JP9 | Wifi Reset | WlanRst |
| JP10.1 | Bluetooth I/O voltage selector +5.0 V | BlueS. 5V/3.3V |
| JP10.2 | Bluetooth I/O voltage selector common | BlueS. 5V/3.3V |
| JP10.3 | Bluetooth I/O voltage selector +3.3 V | BlueS. 5V/3.3V |
| JP11.1 | Wifi I/O voltage selector +5.0 V | WlanS. 5V/3.3V |
| JP11.2 | Wifi I/O voltage selector common | WlanS. 5V/3.3V |
| JP11.3 | Wifi I/O voltage selector +3.3 V | WlanS. 5V/3.3V |
| JP12.1 | GPS I/O voltage selector +5.0 V | GpsS. 5V/3.3V |
| JP12.2 | GPS I/O voltage selector common | GpsS. 5V/3.3V |
| JP12.3 | GPS I/O voltage selector +3.3 V | GpsS. 5V/3.3V |
| JP13 | Due reset circuit enable | DueR. |
| K3 | Battery charging relay | RELAY_2RT |
| P1.1 | Center sonar +5 VP | Sonar C |
| P1.2 | Center sonar GND | Sonar C |
| P1.3 | Center sonar input from Arduino | Sonar C |
| P1.4 | Center sonar output to Arduino | Sonar C |
| P2.1 | Right sonar +5 VP | Sonar R |
| P2.2 | Right sonar GND | Sonar R |
| P2.3 | Right sonar input from Arduino | Sonar R |
| P2.4 | Right sonar output to Arduino | Sonar R |
| P3.1 | Left sonar +5 VP | Sonar L |
| P3.2 | Left sonar GND | Sonar L |
| P3.3 | Left sonar input from Arduino | Sonar L |
| P3.4 | Left sonar output to Arduino | Sonar L |
| P4.1 | Mower motor rpm +5.0 VP | MowRpm |
| P4.2 | Mower motor rpm Gnd | MowRpm |
| P4.3 | Mower motor rpm output to Arduino | MowRpm |
| P5.1 | GPS Vcc (+5.0 V or +3.3 V) | GPS |
| P5.2 | GPS Gnd | GPS |
| P5.3 | GPS TX | GPS |
| P5.4 | GPS RX | GPS |
| P5.5 | GPS LED | GPS |
| P6.1 | Lawn sensor +5.0 VP | Lawn sens |
| P6.2 | Lawn sensor Gnd | Lawn sens |
| P6.3 | Lawn sensor front input from Arduino | Lawn sens |
| P6.4 | Lawn sensor front output to Arduino | Lawn sens |
| P6.5 | Lawn sensor back input from Arduino | Lawn sens |
| P6.6 | Lawn sensor back output to Arduino | Lawn sens |
| P7.1 | key | Status LEDs |
| P7.2 | current sink for alternative station power good LED | Status LEDs |
| P7.3 | current sink for alternative +24 V power good LED | Status LEDs |
| P7.4 | Bargraph LED 1, anode (station power good) | Status LEDs |
| P7.5 | Bargraph LED 2, anode (+24 V power good) | Status LEDs |
| P7.6 | Bargraph LED 3, anode (duo LED green) | Status LEDs |
| P7.7 | Bargraph LED 4, anode (duo LED red) | Status LEDs |
| P7.8 | Bargraph LED 5, anode (status) | Status LEDs |
| P7.9 | Bargraph LED 6, anode (bluetooth) | Status LEDs |
| P7.10 | Bargraph LED 7, anode (wifi) | Status LEDs |
| P7.11 | Bargraph LED 8, anode (charging enable) | Status LEDs |
| P7.12 | Bargraph LED 9, anode (GPS) | Status LEDs |
| P7.13 | Bargraph LED 10, anode (buzzer) | Status LEDs |
| P7.14 | GND | Status LEDs |
| P8.1 | Odometry right +5.0 VP | ODO Right |
| P8.2 | Odometry right Gnd | ODO Right |
| P8.3 | Odometry right output to Arduino | ODO Right |
| P9.1 | Odometry left +5.0 VP | ODO Left |
| P9.2 | Odometry left Gnd | ODO Left |
| P9.3 | Odometry left output to Arduino | ODO Left |
| P10.1 | Bargraph LED 1, cathode (station power good) | Status LEDs GND |
| P10.2 | Bargraph LED 2, cathode (+24 V power good) | Status LEDs GND |
| P10.3 | Bargraph LED 3, cathode (duo LED green) | Status LEDs GND |
| P10.4 | Bargraph LED 4, cathode (duo LED red) | Status LEDs GND |
| P10.5 | Bargraph LED 5, cathode (status) | Status LEDs GND |
| P10.6 | Bargraph LED 6, cathode (bluetooth) | Status LEDs GND |
| P10.7 | Bargraph LED 7, cathode (wifi) | Status LEDs GND |
| P10.8 | Bargraph LED 8, cathode (charging enable) | Status LEDs GND |
| P10.9 | Bargraph LED 9, cathode (GPS) | Status LEDs GND |
| P10.10 | Bargraph LED 10, cathode (buzzer) | Status LEDs GND |
| P11.1 | Bumper Gnd | Bumper |
| P11.2 | Bumper Gnd | Bumper |
| P11.3 | Bumper switch right | Bumper |
| P11.4 | Bumper switch left | Bumper |
| P12.1 | Left perimeter coil +5.0 VP | P.Left |
| P12.2 | Left perimeter coil Gnd | P.Left |
| P12.3 | Left perimeter coil output to Arduino | P.Left |
| P13.1 | RC remote +5.0 VP | RC Remote |
| P13.2 | RC remote Gnd | RC Remote |
| P13.3 | RC remote mow output into Arduino | RC Remote |
| P13.4 | RC remote steer output into Arduino | RC Remote |
| P13.5 | RC remote speed output into Arduino | RC Remote |
| P13.6 | RC remote switch output into Arduino | RC Remote |
| P14.1 | Spare A/D 7 +5.0 VP | Res.AD7 |
| P14.2 | Spare A/D 7 Gnd | Res.AD7 |
| P14.3 | Spare A/D 7 value | Res.AD7 |
| P15.1 | Left motor, connector 1 | Left |
| P15.2 | Left motor, connector 2 | Left |
| P16.1 | Backup power - (0 V) | RPI Backup P. |
| P16.2 | Backup power + (battery voltage) | RPI Backup P. |
| P17.1 | Raspberry Pi main power - (0 V) | RPI Main P. |
| P17.2 | Raspberry Pi main power + (24 V) | RPI Main P. |
| P18.1 | Right motor, connector 1 | Right |
| P18.2 | Right motor, connector 2 | Right |
| P19.1 | Tilt sensor +5.0 VP | Tilt |
| P19.2 | Tilt sensor GND | Tilt |
| P19.3 | Tilt sensor output to Arduino | Tilt |
| P20.1 | Key Gnd | Button |
| P20.2 | Key level | Button |
| P21.1 | Drop sensor right +5.0 VP | DropRight |
| P21.2 | Drop sensor right GND | DropRight |
| P21.3 | Drop sensor right output to Arduino | DropRight |
| P22.1 | Spare A/D 6 +5.0 VP | Res.AD6 |
| P22.2 | Spare A/D 6 Gnd | Res.AD6 |
| P22.3 | Spare A/D 6 value | Res.AD6 |
| P23.1 | Reset, Gnd | Reset |
| P23.2 | Reset, Arduino | Reset |
| P24.1 | +3.3 VP | +3.3VP |
| P24.2 | +3.3 VP | +3.3VP |
| P24.3 | +3.3 VP | +3.3VP |
| P24.4 | +3.3 VP | +3.3VP |
| P24.5 | +3.3 VP | +3.3VP |
| P24.6 | +3.3 VP | +3.3VP |
| P24.7 | +3.3 VP | +3.3VP |
| P24.8 | +3.3 VP | +3.3VP |
| P25.1 | Spare IO 9 +5.0 VP | Res.Pin9 |
| P25.2 | Spare IO 9 Gnd | Res.Pin9 |
| P25.3 | Spare IO 9 value | Res.Pin9 |
| P26.1 | Spare A/D 10 +5.0 VP | Res.AD10 |
| P26.2 | Spare A/D 10 Gnd | Res.AD10 |
| P26.3 | Spare A/D 10 value | Res.AD10 |
| P27.1 | UART IOref | RX0/TX0 |
| P27.2 | UART Gnd | RX0/TX0 |
| P27.3 | UART RX | RX0/TX0 |
| P27.4 | UART TX | RX0/TX0 |
| P28.1 | Spare IO 8 +5.0 VP | Res.Pin8 |
| P28.2 | Spare IO 8 Gnd | Res.Pin8 |
| P28.3 | Spare IO 8 value | Res.Pin8 |
| P29.1 | +9.0 V (switched off when charging) | 9V S. |
| P29.2 | +9.0 V (switched off when charging) | 9V S. |
| P29.3 | +9.0 V (switched off when charging) | 9V S. |
| P29.4 | +9.0 V (switched off when charging) | 9V S. |
| P29.5 | +9.0 V (switched off when charging) | 9V S. |
| P29.6 | +9.0 V (switched off when charging) | 9V S. |
| P29.7 | +9.0 V (switched off when charging) | 9V S. |
| P29.8 | +9.0 V (switched off when charging) | 9V S. |
| P30.1 | Right perimeter coil +5.0 VP | P.Right |
| P30.2 | Right perimeter coil Gnd | P.Right |
| P30.3 | Right perimeter coil output to Arduino | P.Right |
| P31.1 | Drop sensor left +5.0 VP | DropLeft |
| P31.2 | Drop sensor left GND | DropLeft |
| P31.3 | Drop sensor left output to Arduino | DropLeft |
| P32.1 | Gnd | GND |
| P32.2 | Gnd | GND |
| P32.3 | Gnd | GND |
| P32.4 | Gnd | GND |
| P32.5 | Gnd | GND |
| P32.6 | Gnd | GND |
| P32.7 | Gnd | GND |
| P32.8 | Gnd | GND |
| P33.1 | +5.0 V | 5V |
| P33.2 | +5.0 V | 5V |
| P33.3 | +5.0 V | 5V |
| P33.4 | +5.0 V | 5V |
| P33.5 | +5.0 V | 5V |
| P33.6 | +5.0 V | 5V |
| P33.7 | +5.0 V | 5V |
| P33.8 | +5.0 V | 5V |
| P34.1 | +3.3 V | 3,3V |
| P34.2 | +3.3 V | 3,3V |
| P34.3 | +3.3 V | 3,3V |
| P34.4 | +3.3 V | 3,3V |
| P34.5 | +3.3 V | 3,3V |
| P34.6v | +3.3 V | 3,3V |
| P34.7 | +3.3 V | 3,3V |
| P34.8 | +3.3 V | 3,3V |
| P35.1 | Temperature/humidity sensor Vcc IOref | DHT22 |
| P35.2 | Temperature/humidity sensor Gnd | DHT22 |
| P35.3 | Temperature/humidity sensor output to Arduino | DHT22 |
| P36.1 | Spare power connector - (0 V) | Res24V-2 |
| P36.2 | Spare power connector + (24 V) | Res24V-2 |
| P37.1 | Mowing motor, connector 1 | Mower |
| P37.2 | Mowing motor, connector 2 | Mower |
| P38.1 | +5.0 VP | +5VP |
| P38.2 | +5.0 VP | +5VP |
| P38.3 | +5.0 VP | +5VP |
| P38.4 | +5.0 VP | +5VP |
| P38.5 | +5.0 VP | +5VP |
| P38.6 | +5.0 VP | +5VP |
| P38.7 | +5.0 VP | +5VP |
| P38.8 | +5.0 VP | +5VP |
| P39.1 | Spare power connector - (0 V) | Res24V-1 |
| P39.2 | Spare power connector + (24 V) | Res24V-1 |
| P40.1 | Spare switch +5.0 VP | UserSwitsch |
| P40.2 | Spare switch Gnd | UserSwitsch |
| P40.3 | Spare switch 3 | UserSwitsch |
| P40.4 | Spare switch 2 | UserSwitsch |
| P40.5 | Spare switch 1 | UserSwitsch |
| P41.1 | Rain sensor +5.0 VP | Rain |
| P41.2 | Rain sensor GND | Rain |
| P41.3 | Rain sensor output to Arduino | Rain |
| P42.1 | Charger - (0 V) | Charger |
| P42.2 | Charger + (charger voltage) | Charger |
| P43.1 | Battery - (0 V) | Battery |
| P43.2 | Battery + (battery voltage) | Battery |
| P44.1 | Wifi Vcc (+3.3 V or +5.0 V) | Wlan |
| P44.2 | Wifi GND | Wlan |
| P44.3 | Wifi TX | Wlan |
| P44.4 | Wifi RX | Wlan |
| P44.5 | Wifi LED | Wlan |
| P45.1 | Gnd | GND |
| P45.2 | Gnd | GND |
| P45.3 | Gnd | GND |
| P45.4 | Gnd | GND |
| P45.5 | Gnd | GND |
| P45.6 | Gnd | GND |
| P45.7 | Gnd | GND |
| P45.8 | Gnd | GND |
| P46.1 | Spare A/D 15 +5.0 VP | Res.AD15 |
| P46.2 | Spare A/D 15 Gnd | Res.AD15 |
| P46.3 | Spare A/D 15 value | Res.AD15 |
| P47.1 | +9.0 V | 9V |
| P47.2 | +9.0 V | 9V |
| P47.3 | +9.0 V | 9V |
| P47.4 | +9.0 V | 9V |
| P47.5 | +9.0 V | 9V |
| P47.6 | +9.0 V | 9V |
| P47.7 | +9.0 V | 9V |
| P47.8 | +9.0 V | 9V |
| P48.1 | Spare A/D 13 +5.0 VP | Res.AD13 |
| P48.2 | Spare A/D 13 Gnd | Res.AD13 |
| P48.3 | Spare A/D 13 value | Res.AD13 |
| P49.1 | Emergency power off switch for motor driver (in) | Not Aus |
| P49.2 | Emergency power off switch for motor driver (out) | Not Aus |
| P50.1 | key | Led Panel |
| P50.2 | current sink for alternative station power good LED | Led Panel |
| P50.3 | current sink for alternative +24 V power good LED | Led Panel |
| P50.4 | Station power good | Led Panel |
| P50.5 | +24 V | Led Panel |
| P50.6 | duo LED green | Led Panel |
| P50.7 | duo LED red | Led Panel |
| P50.8 | Status LED | Led Panel |
| P50.9 | Bluetooth LED | Led Panel |
| P50.10 | Wifi LED | Led Panel |
| P50.11 | Charging enable LED | Led Panel |
| P50.12 | GPS LED | Led Panel |
| P50.13 | Buzzer | Led Panel |
| P50.14 | GND | Led Panel |
| P51.1 | IOref | IOREF |
| P51.2 | IOref | IOREF |
| PC1.1 | I2C RTC Vcc in (IOref) | PCA9517D |
| PC1.2 | I2C RTC SCL in | PCA9517D |
| PC1.3 | I2C RTC SDA in | PCA9517D |
| PC1.4 | I2C RTC Gnd | PCA9517D |
| PC1.5 | I2C RTC Enable (NC) | PCA9517D |
| PC1.6 | I2C RTC SDA1 out | PCA9517D |
| PC1.7 | I2C RTC SCL1 out | PCA9517D |
| PC1.8 | I2C RTC Vcc out (+ 5.0 VP) | PCA9517D |
| PC2.1 | I2C Compass Vcc in (IOref) | PCA9517D |
| PC2.2 | I2C Compass SCL in | PCA9517D |
| PC2.3 | I2C Compass SDA in | PCA9517D |
| PC2.4 | I2C Compass Gnd | PCA9517D |
| PC2.5 | I2C Compass Enable (NC) | PCA9517D |
| PC2.6 | I2C Compass SDA2 out | PCA9517D |
| PC2.7 | I2C Compass SCL2 out | PCA9517D |
| PC2.8 | I2C Compass Vcc out (+ 5.0 VP) | PCA9517D |
| PC3.1 | I2C Display Vcc in (IOref) | PCA9517D |
| PC3.2 | I2C Display SCL in | PCA9517D |
| PC3.3 | I2C Display SDA in | PCA9517D |
| PC3.4 | I2C Display Gnd | PCA9517D |
| PC3.5 | I2C Display Enable (NC) | PCA9517D |
| PC3.6 | I2C Display SDA3 out | PCA9517D |
| PC3.7 | I2C Display SCL3 out | PCA9517D |
| PC3.8 | I2C Display Vcc out (+ 5.0 VP) | PCA9517D |
| PC4.1 | I2C Spare 4 Vcc in (IOref) | PCA9517D |
| PC4.2 | I2C Spare 4 SCL in | PCA9517D |
| PC4.3 | I2C Spare 4 SDA in | PCA9517D |
| PC4.4 | I2C Spare 4 Gnd | PCA9517D |
| PC4.5 | I2C Spare 4 Enable (NC) | PCA9517D |
| PC4.6 | I2C Spare 4 SDA4 out | PCA9517D |
| PC4.7 | I2C Spare 4 SCL4 out | PCA9517D |
| PC4.8 | I2C Spare 4 Vcc out (+ 5.0 VP) | PCA9517D |
| PC5.1 | I2C Spare 5 Vcc in (IOref) | PCA9517D |
| PC5.2 | I2C Spare 5 SCL in | PCA9517D |
| PC5.3 | I2C Spare 5 SDA in | PCA9517D |
| PC5.4 | I2C Spare 5 Gnd | PCA9517D |
| PC5.5 | I2C Spare 5 Enable (NC) | PCA9517D |
| PC5.6 | I2C Spare 5 SDA5 out | PCA9517D |
| PC5.7 | I2C Spare 5 SCL5 out | PCA9517D |
| PC5.8 | I2C Spare 5 Vcc out (+ 5.0 VP) | PCA9517D |
| PC6.1 | I2C Spare 6 Vcc in (IOref) | PCA9517D |
| PC6.2 | I2C Spare 6 SCL in | PCA9517D |
| PC6.3 | I2C Spare 6 SDA in | PCA9517D |
| PC6.4 | I2C Spare 6 Gnd | PCA9517D |
| PC6.5 | I2C Spare 6 Enable (NC) | PCA9517D |
| PC6.6 | I2C Spare 6 SDA6 out | PCA9517D |
| PC6.7 | I2C Spare 6 SCL6 out | PCA9517D |
| PC6.8 | I2C Spare 6 Vcc out (+ 5.0 VP) | PCA9517D |
| PC7.1 | I2C Spare 7 Vcc in (IOref) | PCA9517D |
| PC7.2 | I2C Spare 7 SCL in | PCA9517D |
| PC7.3 | I2C Spare 7 SDA in | PCA9517D |
| PC7.4 | I2C Spare 7 Gnd | PCA9517D |
| PC7.5 | I2C Spare 7 Enable (NC) | PCA9517D |
| PC7.6 | I2C Spare 7 SDA7 out | PCA9517D |
| PC7.7 | I2C Spare 7 SCL7 out | PCA9517D |
| PC7.8 | I2C Spare 7 Vcc out (+ 5.0 VP) | PCA9517D |
| PRFA1 | Polyfuse for input current of motor driver 1 (left/right motor) | PFRA 500 |
| PRFA2 | Polyfuse for input current of motor driver 2 (mowing motor) | PFRA 500 |
| Q1 | Soft switch transistor for the charging relay K3 | BC847B |
| Q2 | Undervoltage protection | IRF9540N |
| Q3 | Undervoltage protection | BC817 |
| Q4 | Polarity protection | IRF9540N |
| Q5 | level shifter, Center sonar → Arduino | BSS138 |
| Q6 | level shifter, Right sonar → Arduino | BSS138 |
| Q7 | level shifter, Left sonar → Arduino | BSS138 |
| Q8 | level shifter, remote mow → Arduino | BSS138 |
| Q9 | level shifter, remote steer → Arduino | BSS138 |
| Q10 | level shifter, remote speed → Arduino | BSS138 |
| Q11 | level shifter, remote switch → Arduino | BSS138 |
| Q12 | lower transistor for current limiter for station LED | BC817 |
| Q13 | upper transistor for current limiter for station LED | BC817 |
| Q14 | lower transistor for current limiter for motor driver 2 LED | BC817 |
| Q15 | upper transistor for current limiter for motor driver 2 LED | BC817 |
| Q16 | lower transistor for current limiter for motor driver 1 LED | BC817 |
| Q17 | upper transistor for current limiter for motor driver 1 LED | BC817 |
| Q18 | lower transistor for current limiter for power good +24 V LED | BC817 |
| Q19 | upper transistor for current limiter for power good +24 V LED | BC817 |
| Q20 | upper transistor for current limiter for power good +24 V bargraph LED 2 | BC817 |
| Q21 | lower transistor for current limiter for power good +24 V bargraph LED 2 | BC817 |
| Q22 | upper transistor for current limiter for station power good bargraph LED 1 | BC817 |
| Q23 | lower transistor for current limiter for station power good bargraph LED 1 | BC817 |
| Q24 | Levelshifter for Bluetooth TX → Arduino RX | BC847B |
| Q25 | Levelshifter for Wifi TX → Arduino RX | BC847B |
| Q26 | Levelshifter for Arduino TX → Bluetooth RX | BC847B |
| Q27 | Levelshifter for Arduino TX → Wifi RX | BC847B |
| Q28 | Levelshifter for GPS TX → Arduino RX | BC847B |
| Q29 | Levelshifter for Arduino TX → GPS RX | BC847B |
| Q30 | level shifter, mow rpm → Arduino | BSS138 |
| Q31 | level shifter, odometry left → Arduino | BSS138 |
| Q32 | level shifter, odometry right → Arduino | BSS138 |
| Q33 | level shifter, Left sonar ← Arduino | BSS138 |
| Q34 | level shifter, Right sonar ← Arduino | BSS138 |
| Q35 | level shifter, Center sonar ← Arduino | BSS138 |
| Q36 | level shifter, rain sensor → Arduino | BSS138 |
| Q37 | level shifter, tilt sensor → Arduino | BSS138 |
| Q38 | Due reset circuit | BC847B |
| R1 | Power good LED +5.0 V | 220R |
| R2 | Bluetooth LED resistor | 220R |
| R3 | Arduino Mega, AD5 current protection, perimeter left | 300R |
| R4 | Arduino Mega, AD4 current protection, perimeter right | 300R |
| R5 | Status LED resistor | 220R |
| R6 | Levelshifter base resistor for Bluetooth TX → Arduino RX | 4K7 |
| R7 | Levelshifter base resistor for Wifi TX → Arduino RX | 4K7 |
| R8 | Levelshifter pull-down for Bluetooth TX → Arduino RX | 10K |
| R9 | Upper part of 10:1 voltage divider for measuring the charging voltage | 100K 0,1% |
| R10 | Lower part of 10:1 voltage divider for measuring the charging voltage | 10K 0,1% |
| R11 | emitter resistor for current limiter for power good +24 V bargraph LED 2 | 68R |
| R12 | Upper part of 10:1 voltage divider for measuring the battery voltage | 100K 0,1% |
| R13 | Lower part of 10:1 voltage divider for measuring the battery voltage | 10K 0,1% |
| R14 | Levelshifter pull-down for Wifi TX → Arduino RX | 10K |
| R15 | Levelshifter pull-down for Arduino TX → Bluetooth RX | 10K |
| R16 | Levelshifter base resistor for Arduino TX → Bluetooth RX | 4K7 |
| R17 | Charge enable LED resistor | 220R |
| R18 | Base resistor for enabling the charging soft switch | 2k2 |
| R19 | collector resistor for current limiter for motor driver 2 LED | 8K2 |
| R20 | Duo-LED red resistor | 220R |
| R21 | Duo-LED green resistor | 220R |
| R22 | Wifi LED resistor | 220R |
| R23 | Power good LED +3.3 V | 100R |
| R24 | emitter resistor for current limiter for motor driver 2 LED | 68R |
| R25 | GPS-LED resistor | 220R |
| R26 | Arduino Mega, AD7 current protection, spare 7 | 300R |
| R27 | Arduino Mega, AD15 current protection, spare 15 | 300R |
| R28 | Odometry right output to Arduino pull-up | 4K7 |
| R29 | Arduino Mega, PG1 current protection, lawn sensor front receive | 300R |
| R30 | Odometry left output to Arduino pull-up | 4K7 |
| R31 | Mower motor rpm output to Arduino pull-up | 4K7 |
| R32 | Undervoltage protection | 1K |
| R33 | Undervoltage protection | 100R |
| R34 | Undervoltage protection | 10K |
| R35 | Undervoltage protection | 10K |
| R36 | Undervoltage protection | 30K |
| R37 | Undervoltage protection | 100K |
| R38 | collector resistor for current limiter for motor driver 1 LED | 8K2 |
| R39 | Temperature/humidity sensor output to Arduino pull-up | 10K |
| R40 | I2C Spare 2 SDA2 pull-up (3.3 VP or 5.0 VP) | XXXX |
| R41 | I2C Spare 3 SDA3 pull-up (3.3 VP or 5.0 VP) | XXXX |
| R42 | I2C Spare 4 SDA4 pull-up (3.3 VP or 5.0 VP) | 10K |
| R43 | LED levelshifter output enable pull-up | 2k2 |
| R44 | I2C Spare 2 SCL2 pull-up (3.3 VP or 5.0 VP) | XXXX |
| R45 | I2C Spare 3 SCL3 pull-up (3.3 VP or 5.0 VP) | XXXX |
| R46 | I2C Spare 4 SCL4 pull-up (3.3 VP or 5.0 VP) | 10K |
| R47 | I2C SDA pull-up | XXXX |
| R48 | I2C SCL pull-up | XXXX |
| R49 | I2C Spare 7 SCL7 pull-up (3.3 VP or 5.0 VP) | 10K |
| R50 | Arduino Mega, AD13 current protection, spare 13 | 300R |
| R51 | I2C Spare 5 SCL5 pull-up (3.3 VP or 5.0 VP) | 10K |
| R52 | I2C Spare 6 SCL6 pull-up (3.3 VP or 5.0 VP) | 10K |
| R53 | I2C Spare 7 SDA7 pull-up (3.3 VP or 5.0 VP) | 10K |
| R54 | Arduino Mega, PG0 current protection, lawn sensor front send | 300R |
| R55 | I2C Spare 5 SDA5 pull-up (3.3 VP or 5.0 VP) | 10K |
| R56 | I2C Spare 6 SDA6 pull-up (3.3 VP or 5.0 VP) | 10K |
| R57 | Polarity protection Gnd reference | 100K |
| R58 | output pull-up for level shifter, Center sonar → Arduino | 10K |
| R59 | input pull-up for level shifter, Center sonar → Arduino | 10K |
| R60 | output pull-up for level shifter, Right sonar → Arduino | 10K |
| R61 | input pull-up for level shifter, Right sonar → Arduino | 10K |
| R62 | output pull-up for level shifter, Left sonar → Arduino | 10K |
| R63 | input pull-up for level shifter, Left sonar → Arduino | 10K |
| R64 | output pull-up for level shifter, remote mow → Arduino | 10K |
| R65 | input pull-up for level shifter, remote mow → Arduino | 10K |
| R66 | output pull-up for level shifter, remote steer → Arduino | 10K |
| R67 | input pull-up for level shifter, remote steer → Arduino | 10K |
| R68 | output pull-up for level shifter, remote speed → Arduino | 10K |
| R69 | input pull-up for level shifter, remote speed → Arduino | 10K |
| R70 | output pull-up for level shifter, remote switch → Arduino | 10K |
| R71 | input pull-up for level shifter, remote switch → Arduino | 10K |
| R72 | collector resistor for current limiter for station LED | 8K2 |
| R73 | emitter resistor for current limiter for station LED | 68R |
| R74 | collector resistor for current limiter for power good +24 V bargraph LED 2 | 8K2 |
| R75 | emitter resistor for current limiter for motor driver 1 LED | 68R |
| R76 | collector resistor for current limiter for power good +24 V LED | 8K2 |
| R77 | Power good LED +5.0 VP | 220R |
| R78 | Power good LED +3.3 VP | 100R |
| R79 | emitter resistor for current limiter for station power good bargraph LED 1 | 68R |
| R80 | emitter resistor for current limiter for power good +24 V LED | 68R |
| R81 | collector resistor for current limiter for station power good bargraph LED 1 | 8K2 |
| R82 | Arduino Mega, AD6 current protection, spare 6 | 300R |
| R83 | Arduino Mega, PL7 current protection, lawn sensor back send | 300R |
| R84 | Arduino Mega, AD2 current protection, battery voltage | 300R |
| R85 | Arduino Mega, PL6 current protection, lawn sensor back receive | 300R |
| R86 | Arduino Mega, PL5 current protection, rain sensor | 300R |
| R87 | Arduino Mega, PD7 current protection, bumper right | 300R |
| R88 | Arduino Mega, AD10 current protection, spare 10 | 300R |
| R89 | Arduino Mega, AD9 current protection, charge voltage | 300R |
| R90 | Arduino Mega, AD8 current protection, charge current | 300R |
| R91 | Levelshifter pull-down for Arduino TX → Wifi RX | 10K |
| R92 | Levelshifter base resistor for Arduino TX → Wifi RX | 4K7 |
| R93 | Levelshifter base resistor for GPS TX → Arduino RX | 4K7 |
| R94 | Levelshifter pull-down for GPS TX → Arduino RX | 10K |
| R95 | Levelshifter pull-down for Arduino TX → GPS RX | 10K |
| R96 | Levelshifter base resistor for Arduino TX → GPS RX | 4K7 |
| R97 | output pull-up for level shifter, mow rpm → Arduino | 10K |
| R98 | input pull-up for level shifter, mow rpm → Arduino | 10K |
| R99 | output pull-up for level shifter, odometry left → Arduino | 10K |
| R100 | input pull-up for level shifter, odometry left → Arduino | 10K |
| R101 | output pull-up for level shifter, odometry right → Arduino | 10K |
| R102 | input pull-up for level shifter, odometry right → Arduino | 10K |
| R103 | Arduino Mega, PA1 current protection, drop right | 300R |
| R104 | Arduino Mega, PL4 current protection, drop left | 300R |
| R105 | Arduino Mega, PG2 current protection, bumper left | 300R |
| R106 | Arduino Mega, PL3 current protection, spare switch 1 | 300R |
| R107 | Arduino Mega, PL1 current protection, spare switch 3 | 300R |
| R108 | Arduino Mega, PL2 current protection, spare switch 2 | 300R |
| R109 | Arduino Mega, PL0 current protection, temperature/humidity sensor | 300R |
| R110 | Arduino Mega, PC2 current protection, tilt | 300R |
| R111 | Arduino Mega, 9 current protection, spare 9 | 300R |
| R112 | Arduino Mega, 8 current protection, spare 8 | 300R |
| R113 | Arduino Mega, PL4 pull-up, drop left | 10K |
| R114 | Arduino Mega, PA1 pull-up, drop right | 10K |
| R115 | output pull-up for level shifter, Left sonar ← Arduino | 10K |
| R116 | input pull-up for level shifter, Left sonar ← Arduino | 10K |
| R117 | output pull-up for level shifter, Right sonar ← Arduino | 10K |
| R118 | input pull-up for level shifter, Right sonar ← Arduino | 10K |
| R119 | output pull-up for level shifter, Center sonar ← Arduino | 10K |
| R120 | input pull-up for level shifter, Center sonar ← Arduino | 10K |
| R121 | output pull-up for level shifter, rain sensor → Arduino | 10K |
| R122 | input pull-up for level shifter, rain sensor → Arduino | 10K |
| R123 | output pull-up for level shifter, tilt sensor → Arduino | 10K |
| R124 | input pull-up for level shifter, tilt sensor → Arduino | 10K |
| R125 | Arduino Mega, PG0 pull-up, lawn sensor front send | XXXX |
| R126 | Arduino Mega, PG1 pull-up, lawn sensor front receive | XXXX |
| R127 | Arduino Mega, PL6 pull-up, lawn sensor back send | XXXX |
| R128 | Arduino Mega, PL7 pull-up, lawn sensor back receive | XXXX |
| R129 | Arduino Mega, 9 pull-up, spare 9 | XXXX |
| R130 | Arduino Mega, 8 pull-up, spare 8 | XXXX |
| R131 | Arduino Mega, PG2 pull-up, bumper left | 10K |
| R132 | Arduino Mega, PD7 pull-up, bumper right | 10K |
| R133 | Arduino Mega, PB2 pull-up, button | 10K |
| R134 | Buzzer LED resistor | 220R |
| R135 | Due reset circuit | 56K |
| R136 | Due reset circuit | 1K |
| R137 | Due reset circuit | 1K |
| RL1 | Resistor of the RC snubber to improve EMC of the mowing motor | 1,8R 2W METALL |
| RL2 | Resistor of the RC snubber to improve EMC of the left motor | 1,8R 2W METALL |
| RL3 | Resistor of the RC snubber to improve EMC of the right motor | 1,8R 2W METALL |
| S1.1 | Right odometry divider 1:2 | ODO Right |
| S1.2 | Right odometry divider 1:3 | ODO Right |
| S1.3 | Right odometry divider 1:4 | ODO Right |
| S1.4 | Right odometry divider 1:5 | ODO Right |
| S1.5 | Right odometry divider 1:6 | ODO Right |
| S1.6 | Right odometry divider 1:7 | ODO Right |
| S1.7 | Right odometry divider 1:8 | ODO Right |
| S1.8 | Right odometry divider 1:9 | ODO Right |
| S1.9 | Right odometry divider 1:9 | ODO Right |
| S1.10 | Right odometry divider 1:8 | ODO Right |
| S1.11 | Right odometry divider 1:7 | ODO Right |
| S1.12 | Right odometry divider 1:6 | ODO Right |
| S1.13 | Right odometry divider 1:5 | ODO Right |
| S1.14 | Right odometry divider 1:4 | ODO Right |
| S1.15 | Right odometry divider 1:3 | ODO Right |
| S1.16 | Right odometry divider 1:2 | ODO Right |
| S2.1 | Left odometry divider 1:2 | ODO Left |
| S2.2 | Left odometry divider 1:3 | ODO Left |
| S2.3 | Left odometry divider 1:4 | ODO Left |
| S2.4 | Left odometry divider 1:5 | ODO Left |
| S2.5 | Left odometry divider 1:6 | ODO Left |
| S2.6 | Left odometry divider 1:7 | ODO Left |
| S2.7 | Left odometry divider 1:8 | ODO Left |
| S2.8 | Left odometry divider 1:9 | ODO Left |
| S2.9 | Left odometry divider 1:9 | ODO Left |
| S2.10 | Left odometry divider 1:8 | ODO Left |
| S2.11 | Left odometry divider 1:7 | ODO Left |
| S2.12 | Left odometry divider 1:6 | ODO Left |
| S2.13 | Left odometry divider 1:5 | ODO Left |
| S2.14 | Left odometry divider 1:4 | ODO Left |
| S2.15 | Left odometry divider 1:3 | ODO Left |
| S2.16 | Left odometry divider 1:2 | ODO Left |
| S3.1 | Mower rpm divider 1:2 | MowRpm |
| S3.2 | Mower rpm divider 1:3 | MowRpm |
| S3.3 | Mower rpm divider 1:4 | MowRpm |
| S3.4 | Mower rpm divider 1:5 | MowRpm |
| S3.5 | Mower rpm divider 1:6 | MowRpm |
| S3.6 | Mower rpm divider 1:7 | MowRpm |
| S3.7 | Mower rpm divider 1:8 | MowRpm |
| S3.8 | Mower rpm divider 1:9 | MowRpm |
| S3.9 | Mower rpm divider 1:9 | MowRpm |
| S3.10 | Mower rpm divider 1:8 | MowRpm |
| S3.11 | Mower rpm divider 1:7 | MowRpm |
| S3.12 | Mower rpm divider 1:6 | MowRpm |
| S3.13 | Mower rpm divider 1:5 | MowRpm |
| S3.14 | Mower rpm divider 1:4 | MowRpm |
| S3.15 | Mower rpm divider 1:3 | MowRpm |
| S3.16 | Mower rpm divider 1:2 | MowRpm |
| SP1 | Buzzer placement alternative 1 | SPEAKER |
| SP2 | Buzzer placement alternative 2 | SPEAKER |
| U1.1 | DC-DC-converter 9V, Gnd | DC 9V |
| U1.2 | DC-DC-converter 9V, +9.0 V out | DC 9V |
| U1.3 | DC-DC-converter 9V, +24 V input | DC 9V |
| U1.4 | DC-DC-converter 9V, Gnd | DC 9V |
| U2.1 | Bluetooth, LED out | Bluetooth_CZ_HC_05 |
| U2.2 | Bluetooth, key | Bluetooth_CZ_HC_05 |
| U2.3 | Bluetooth, RXD | Bluetooth_CZ_HC_05 |
| U2.4 | Bluetooth, TXD | Bluetooth_CZ_HC_05 |
| U2.5 | Bluetooth, Gnd | Bluetooth_CZ_HC_05 |
| U2.6 | Bluetooth, Vcc (+5.0 V or +3.3 V) | Bluetooth_CZ_HC_05 |
| U3.1 | INA169 current sensor, IOref | INA169 |
| U3.2 | INA169 current sensor, Gnd | INA169 |
| U3.3 | INA169 current sensor, charge current value into arduino | INA169 |
| U3.4 | INA169 current sensor, charge current input | INA169 |
| U3.5 | INA169 current sensor, charge current output | INA169 |
| U4.1 | Right odometry divider Q5 (1:5) | 4017 |
| U4.2 | Right odometry divider Q1 (into Arduino) | 4017 |
| U4.3 | Right odometry divider Q0 (NC) | 4017 |
| U4.4 | Right odometry divider Q2 (1:2) | 4017 |
| U4.5 | Right odometry divider Q6 (1:6) | 4017 |
| U4.6 | Right odometry divider Q7 (1:7) | 4017 |
| U4.7 | Right odometry divider Q3 (1:3) | 4017 |
| U4.8 | Right odometry divider Gnd | 4017 |
| U4.9 | Right odometry divider Q8 (1:8) | 4017 |
| U4.10 | Right odometry divider Q4 (1:4) | 4017 |
| U4.11 | Right odometry divider Q9 (1:9) | 4017 |
| U4.12 | Right odometry divider Co, (carry, NC) | 4017 |
| U4.13 | Right odometry divider Gnd | 4017 |
| U4.14 | Right odometry divider input (from odometer) | 4017 |
| U4.15 | Right odometry divider MR, reset | 4017 |
| U4.16 | Right odometry divider Vcc, +5.0 VP | 4017 |
| U5.1 | Right odometry AND-gate input 1 (from odometer) | 4081 |
| U5.2 | Right odometry AND-gate input 2 (from divider) | 4081 |
| U5.3 | Right odometry AND-gate output (into Arduino) | 4081 |
| U5.4 | Left odometry AND-gate input 1 (from odometer) | 4081 |
| U5.5 | Left odometry AND-gate input 2 (from divider) | 4081 |
| U5.6 | Left odometry AND-gate output (into Arduino) | 4081 |
| U5.7 | Odometry AND gate network Gnd | 4081 |
| U5.8 | Mower rpm AND-gate input 1 (from odometer) | 4081 |
| U5.9 | Mower rpm AND-gate input 2 (from divider) | 4081 |
| U5.10 | Mower rpm AND-gate output (into Arduino) | 4081 |
| U5.11 | Spare AND-gate input 1 | 4081 |
| U5.12 | Spare AND-gate input 2 | 4081 |
| U5.13 | Spare AND-gate output | 4081 |
| U5.14 | Odometry AND gate network +5.0 VP | 4081 |
| U6.1 | Voltage regulator +5.0 V, input | LM2940CS-5.0 |
| U6.2 | Voltage regulator +5.0 V, Gnd | LM2940CS-5.0 |
| U6.3 | Voltage regulator +5.0 V, out | LM2940CS-5.0 |
| U6.4 | Voltage regulator +5.0 V, Gnd | LM2940CS-5.0 |
| U7.1 | Voltage regulator +3.3 V, input | LM3940IS-3.3 |
| U7.2 | Voltage regulator +3.3 V, Gnd | LM3940IS-3.3 |
| U7.3 | Voltage regulator +3.3 V, out | LM3940IS-3.3 |
| U7.4 | Voltage regulator +3.3 V, Gnd | LM3940IS-3.3 |
| U8.1 | RTC, battery (NC) | DS1307+ |
| U8.2 | RTC, Gnd | DS1307+ |
| U8.3 | RTC, Vcc (+5.0 VP) | DS1307+ |
| U8.4 | RTC, SDA | DS1307+ |
| U8.5 | RTC, SCL | DS1307+ |
| U8.6 | RTC, SQ (NC) | DS1307+ |
| U8.7 | RTC, DS (NC) | DS1307+ |
| U9.1 | Left odometry divider Q5 (1:5) | 4017 |
| U9.2 | Left odometry divider Q1 (into Arduino) | 4017 |
| U9.3 | Left odometry divider Q0 (NC) | 4017 |
| U9.4 | Left odometry divider Q2 (1:2) | 4017 |
| U9.5 | Left odometry divider Q6 (1:6) | 4017 |
| U9.6 | Left odometry divider Q7 (1:7) | 4017 |
| U9.7 | Left odometry divider Q3 (1:3) | 4017 |
| U9.8 | Left odometry divider Gnd | 4017 |
| U9.9 | Left odometry divider Q8 (1:8) | 4017 |
| U9.10 | Left odometry divider Q4 (1:4) | 4017 |
| U9.11 | Left odometry divider Q9 (1:9) | 4017 |
| U9.12 | Left odometry divider Co, (carry, NC) | 4017 |
| U9.13 | Left odometry divider Gnd | 4017 |
| U9.14 | Left odometry divider input (from odometer) | 4017 |
| U9.15 | Left odometry divider MR, reset | 4017 |
| U9.16 | Left odometry divider Vcc, +5.0 VP | 4017 |
| U11.1 | Wifi TX | Wlan_ESP8266 |
| U11.2 | Wifi CH_PD | Wlan_ESP8266 |
| U11.3 | Wifi Reset | Wlan_ESP8266 |
| U11.4 | Wifi Vcc (+3.3 V or +5.0 V) | Wlan_ESP8266 |
| U11.5 | Wifi GND | Wlan_ESP8266 |
| U11.6 | Wifi LED | Wlan_ESP8266 |
| U11.7 | Wifi Key (GPIO0) | Wlan_ESP8266 |
| U11.8 | Wifi RX | Wlan_ESP8266 |
| U12.1 | Mower rpm divider Q5 (1:5) | 4017 |
| U12.2 | Mower rpm divider Q1 (into Arduino) | 4017 |
| U12.3 | Mower rpm divider Q0 (NC) | 4017 |
| U12.4 | Mower rpm divider Q2 (1:2) | 4017 |
| U12.5 | Mower rpm divider Q6 (1:6) | 4017 |
| U12.6 | Mower rpm divider Q7 (1:7) | 4017 |
| U12.7 | Mower rpm divider Q3 (1:3) | 4017 |
| U12.8 | Mower rpm divider Gnd | 4017 |
| U12.9 | Mower rpm divider Q8 (1:8) | 4017 |
| U12.10 | Mower rpm divider Q4 (1:4) | 4017 |
| U12.11 | Mower rpm divider Q9 (1:9) | 4017 |
| U12.12 | Mower rpm divider Co, (carry, NC) | 4017 |
| U12.13 | Mower rpm divider Gnd | 4017 |
| U12.14 | Mower rpm divider input (from odometer) | 4017 |
| U12.15 | Mower rpm divider MR, reset | 4017 |
| U12.16 | Mower rpm divider Vcc, +5.0 VP | 4017 |
