Free wheel sensor: Unterschied zwischen den Versionen
Aus www.wiki.ardumower.de
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− | Note: the sensor simulates an Ardumower bumper (and will be connected to the PCB bumper pin): when no motion is detected, a bumper press is simulated. | + | Note: the sensor simulates an Ardumower bumper (and will be connected to the PCB bumper pin): when no motion is detected, a bumper press is simulated. Ardumower only evaluates the bumper when in driving state. |
* [https://drive.google.com/open?id=1ZeedX3uHcPwOuxmuAUoXXZw0_h9R85Rr Arduino Code] | * [https://drive.google.com/open?id=1ZeedX3uHcPwOuxmuAUoXXZw0_h9R85Rr Arduino Code] |
Version vom 10. Mai 2020, 20:04 Uhr
Inhaltsverzeichnis
Idea
Add a rotation sensor to the free wheel to detect 'motion/no motion over ground' of the mower and thereby detecting obstacles.
The sensor is based on a compass module (which internally measures magnetic field changes via hall sensors) and rotating magnets.
Photos
Videos
Principle test https://www.youtube.com/watch?v=SGfPwGnzHT4
Outdoor test https://www.youtube.com/watch?v=UbwwP1jQigM
Required components
- Arduino Nano (placed into printed 3D part) and powered (VIN pin) via Ardumower PCB 9V output pin
- HMC5883 compass sensor (placed into printed 3D part)
- 4 ball magnets (10mm diameter)
- printed 3D parts
Download
Note: the sensor simulates an Ardumower bumper (and will be connected to the PCB bumper pin): when no motion is detected, a bumper press is simulated. Ardumower only evaluates the bumper when in driving state.
Forum
https://www.ardumower.de/index.php/de/forum/sensoren/1603-sensor-fuer-das-stuetzrad-free-wheel#14955