PCB 1.3 (English)

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Version vom 6. Juni 2018, 08:50 Uhr von Alexanderg (Diskussion | Beiträge)

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Steps
Assembled mainboard v1.3

This page describes how to assemble PCB 1.3, how to add modules and how to configure the PCB. The PCB and all required modules can be purchased as complete kits via the shop Shopping.png .


NOTE: WE ARE CURRENTLY WORKING ON THIS PAGE - PLEASE LOOK AT PCB 1.2 FOR MISSING INFORMATION

Specifications

PCB size: 272mm x 115mm

Schematics, Drawings, Photos

Videos

Shopping list

PCB components


Checklist

  • only set jumper JP1 (9V power) after you have manually set and measured the correct voltage (9v) at DC/DC Vout pin
  • set jumper JP13 on PCB back side for a Marotronics Arduino Due (i.e. Due clone) for automatic reset
  • set jumper JP12 (GPS signal voltage) to 3.3VP for Marotronics GPS module
  • set jumper JP7 (GPS operating voltage) to 5VP for Marotronics GPS module
  • set jumper JP10 (Bluetooth signal voltage) to 3.3VP for Marotronics Bluetooth module
  • set jumper JP4 (Bluetooth operating voltage) to 5V for Marotronics Bluetooth module
  • set jumper JP6 (WIFI operating voltage) to 3.3V for Marotronics WIFI module
  • set jumper JP11 (WIFI signal voltage) to 3.3V for Marotronics WIFI module
  • set jumper JC2 (IMU signal voltage) to 3.3V for Marotronics IMU module
  • only set I2C jumpers JC2, JC3, JC4, JC5, JC6, JC7 (at the top) if there is a corresponding I2C module installed
  • set jumper JP8 to 'Always-ON' for tests and for Arduino uploads, for regular operation (and automatic undervoltage power-off) to 'Automatic'
  • unset jumper JP3 (2nd mower motor MC33926 M1FB), not used
  • Solder a bridge on leftmost pins of S1 ODO right and S2 ODO left (PCB back side)
  • RTC module must be installed for proper I2C bus operation
  • press button P20 to power-on PCB

Assembly

Soldering the mainboard components

Front view of an empty mainboard v1.3

The assembly of the board is tricky as some components have been packed tightly - especially those below the motor drivers.

The following table lists each component to be placed by hand along with other components that might collide. Collisions marked with a '?' are hard (but still possible) to solder if the components are not placed in the right order. Those without a '?' are impossible. The table has been sorted to provide a practical order for soldering: low components come first and components blocking each other are in the right order. Similar components and spatiality has been used to form groups.

Component Can be blocked by Can block Profile Comment
JP3 P22, P4 low SMD
F1 JP1?, C1? low SMD
S1 low solder a small lead as bridge
S2 low solder a small lead as bridge
S3 low solder a small lead as bridge
C2 low (lying)
C3 low (lying)
C9 low Wasn‘t included. Maybe optional?
C12 low (lying)
D10 K3 low
I2C1 low connector socket
I2C2 low connector socket
I2C3 low connector socket
I2C4 low connector socket
I2C5 low connector socket
I2C6 low connector socket
I2C7 low connector socket
P1 C11? low connector socket
P2 C11? low connector socket
P3 low connector socket
P4 JP3 low connector socket
P5 low connector socket
P6 low connector socket
P8 SP1 SP1? low connector socket
P9 low connector socket
P11 low connector socket
P12 low connector socket
P13 low connector socket
P14 low connector socket
P19 C11? low connector socket
P20 C10? low connector socket
P21 C11? low connector socket
P22 JP3 low connector socket
P23 low connector socket
P25 low connector socket
P26 low connector socket
P27 low connector socket
P28 low connector socket
P30 low connector socket
P31 C10? low connector socket
P35 low connector socket
P40 low connector socket
P41 C11? low connector socket
P44 low connector socket
P46 SP1, C11? SP1? low connector socket
P48 low connector socket
P7 low socket
P10 low socket
U1 low socket
U2 low socket
U3 C10? low socket
U8RTC low socket?
U11 low socket
JC2 mid pins
JC3 mid pins
JC4 mid pins
JC5 mid pins
JC6 mid pins
JC7 mid pins
JP1 F1? mid pins
JP2 mid pins
JP4 mid pins
JP5 mid pins
JP6 mid pins
JP7 mid pins
JP8 mid pins
JP9 mid pins
JP10 mid pins
JP11 mid pins
JP12 mid pins
JP13 mid pins
P24 mid pins
P29 mid pins
P32 mid pins
P33 mid pins
P34 mid pins
P38 mid pins
P45 mid pins
P47 mid pins
P50 mid pins
P51 mid pins
BY1 PRFA2? RL1? low
BY4 PRFA2? low
BY7 CC2? low
DKE1 CC2, RL2? low
BY8 CC2, RL2? low
BY9 PRFA1?, C10? low
BY10 PRFA1?, CC3, RL3? CC3? low place in a raised position
RL3 C10, BY2, BY11, PRFA1? BY2?, BY10?, BY12? low
PRFA2 RL1, C11? BY1?, BY3?, BY4? low (lying) lay down later
RL1 BY3, DKE2, BY1?, C11? PRFA2 low
BY3 PRFA2? RL1 low
PRFA1 RL2 RL2?, RL3?, BY9?, BY10?, BY12?, C10?, EF3? low (lying) lay down later
RL2 P49, BY6, BY5, PRFA1? BY8?, DKE1?, PRFA1 low
EF3 PRFA1?, CC3 CC3 low Conflict CC3
CC3 EF3, BY12, BY10? EF3, BY10 high Conflict EF3
BY2 C11?, RL3? RL3 low
BY5 CC2? RL2 low
BY6 P49 RL2 low
BY12 RL3?, PRFA1? CC3 low
BY11 C11? RL3 low
DKE2 C11? RL1 low
Dual1 C10 C10? low socket; solder the sockets near the screw connectors later
Dual2 C11 C11? low socket; solder the sockets near the screw connectors later
K3 D10 mid relais socket
Due C10? high high pins; insert them into the Due-board first and then place them alltogether into the mainboard for soldering
SP1 P8?, P46? P8, P46 mid Speaker; alternatively placed at SP2
SP2 mid Speaker; alternatively placed at SP1
C10 PRFA1?, Dual1? Dual1, Due?, P31?, RL3, U3?, BY9? high (lying) Hot glue the capacitor to the mainboard for mechanical stability
C11 Dual2? DKE2?, Dual2, P1?, P2?, P19?, P21?, P41?, P46?, PRFA2?, RL1?, BY2?, BY11? high (lying) Hot glue the capacitor to the mainboard for mechanical stability
P15/P16/P18 high screwed connector socket
P17/P39/P36 high screwed connector socket
P37 high screwed connector socket
P42 high screwed connector socket
P43 high screwed connector socket
P49 EF1? RL2, BY6 high screwed connector socket
C1 F1? high (upright)
C8 high (upright)
C13 high (upright)
CC1 high
CC2 DKE1, BY5?, BY7?, BY8? high
D1 high
D9 high
D73 high
Q2 high
Q4 high
EF1 P49? very high
EF2 very high
Front view of an equipped mainboard v1.3
Back view of an equipped mainboard v1.3
Closeup of equipped mainboard v1.3
Closeup of equipped mainboard v1.3
Closeup of equipped mainboard v1.3
Closeup of equipped mainboard v1.3
Closeup of equipped mainboard v1.3
Closeup of equipped mainboard v1.3
Closeup of equipped mainboard v1.3
Closeup of equipped mainboard v1.3

Soldering the Voltage regulator

Just insert four 1-pins into the corners. It's pretty easy if you insert the module into the main board while soldering.

Voltage regulator front view
Voltage regulator back view

Unplug the regulator and connect a +24 V voltage source to the inputs and a multimeter to the outputs (measure DC voltage). Adjust the output voltage to 9 V using the screw on top of the potentiometer.

Voltage regulator calibration using a multimeter

Plug the voltage regulator into the PCB and make sure the orientation is right!

Voltage regulator placed on the PCB 1.3

Soldering the RTC

Just insert a 5- and a 7-pin-row into the module. It's pretty easy if you insert the module into the main board while soldering.

RTC front view
RTC back view

Soldering the motor drivers

For each of the both drivers: Insert a row of 18 stacking pins (the longer ones) row into the mainboard. Insert 6 separated stacking pins into the mainboard. Try to put the module onto those pins and solder them.

Motor driver front view
Motor driver back view

Putting everything together

If you stick everything together, you have something that should look roughly like this:

Assembled mainboard v1.3
Closeup of assembled mainboard v1.3
Closeup of assembled mainboard v1.3
Closeup of assembled mainboard v1.3
Closeup of assembled mainboard v1.3


Forum

http://www.ardumower.de/index.php/de/forum/ardumower-pcb/1348-building-instruction-for-the-1-3-board