[Dprglist] OpenMower Project

[Paul Bouchier]

Hackaday has an article on OpenMower - an open HW/SW project being done by
a guy in Germany. He's taking a small off-the-shelf robomower and replacing
it's electronics with his own electronics & SW.

https://hackaday.com/2022/04/07/openmower-open-source-robotic-lawn-mower-with-rtk-gps/
The main entry point is on github:
https://github.com/ClemensElflein/OpenMower
There's a video there, in which he explains the idea and shows a demo of
its use.

Some noteworthy points are:
- Uses RTK GPS for localization
- Uses slic3r (a 3-D path planning program) to plan the mowing path.
- 2-layer HW architecture similar to what many of us are using, with RPi
running Ubuntu + ROS for the autonomy layer, and an RP2040 running the
realtime control layer
- Has a simulator

There is quite a lot of enthusiasm for the project, and a largish community
using an active discourse server for collaboration. He appears to have
something actually working, and is on the 2nd rev of the PCBs.

It's an interesting exploration for us mower-heads.

Paul
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