Although the main purpose of S4A is to let you interact with Arduino boards (meaning, things you do in the computer have an immediate, real-time effect on the board), the recent S4A version for RaspberryPi allows for a somewhat autonomus behaviour.

For this demo, we’ve used the same line tracer code, but running on a RaspberryPi board powered by a USB battery. The whole thing weighs about a metric ton, causing our poor robot to constantly bunny hop, but serves as a nice proof of concept: