Raspberry Pi Spider Bot detects edges to prevent drops


There’s nothing quite like spending an afternoon putting together a fantastic Raspberry Pi robot kit. Still, there’s nothing quite like losing all your work by accidentally destroying your new bot. That’s where manufacturer Disastrous-Cry-6452 comes in with this smart edge sensing upgrade for the SunFounder PiCrawler case.

The kit includes everything you need to build your AI-powered spider robot, but there’s nothing stopping it from walking around the edges until it’s gone. To remedy this problem, Disastrous-Cry-6452 created a system that checks the edges and prevents the robot from moving forward if the leg cannot make contact with level ground.

We contacted Disastrous-Cry-6452 for more details on how the detection system works. They explained that SunFounder default library handles the walk protocol, while a Robot HAT with a speaker provides audio output. When it detects that the foot has moved too far, it says “Danger! Using SunFounder’s Text-to-Speech Library.

Disastrous-Cry-6452 has attached a few IR sensors to the front legs of the PiCrawler. The output level changes depending on the proximity of obstacles to the sensors. If the output is too high, the distance is considered dangerous and the library module backs up is initialized.

To see (and hear) this cool mod in action, check out the original thread shared with Reddit by Disastrous-Cry-6452.


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