'B' - My latest project

My first differential drive bot.
Album link

The rear of the robot. Mostly batteries!

Power section and computer section.

Odrive S1 controllers


Progress! Lidar sensor installed

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Hi Heather, thanks for creating a thread to share your robot! To upload pictures, head over to Imgur to create an album, then you can paste the individual image URLs on their own lines in your post and they will show up (let me know if you have any troubles with this) :slight_smile:

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I’ve had a lot of fun building this robot using some repurposed aluminum extrusions and 3D printed parts. This has been a learning journey for me and as many of my projects is probably a little bit over the top.

Component list:

  1. 3 x LiFePo4 12-volt batteries. 19 amp hour.
  2. 40 amp SSR
  3. All-important emergency stop button
  4. 20 amp 60 volt to 5 volt buck converter
  5. Raspberry PI4
  6. Khadas VIM 4
  7. RPI 2040 microcontroller
  8. CAN bus transceiver x 2
  9. Odrive S1 motor controller x 2
  10. Lidar
  11. distance camera - TBD
  12. Voltmeters for 5 volt supply as well as main battery voltage.
  13. lots of PLA+ filament
  14. 2 x brushless hub motors

Thanks for sharing the pictures, this is looking so good!!
Is this particular build for a purpose, or just a learning experience?

How have you found the Odrive to work with? I have been meaning to give one a go for ages.

The Odrive S1 has a great build quality. It is a new product but I have had trouble getting them fully configured. I’ve been able to get one of the motors to calibrate but it is super complicated for my experience level. Not an expert roboticist by any stretch of the imagination! But I find the hobby extremely fun. I’m hopeful that the documentation will come along soon.