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Developer builds hardware feedback loop so AI agents can test code on real embedded devices

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A developer built a small hardware lab around a Raspberry Pi Compute Module 5 to give an AI coding agent direct access to a real embedded device, not just source code. The setup uses an Orange Pi 3 LTS to control power, boot mode, USB flashing, and serial console access, with all physical actions exposed as software commands via a tool called cm5lab. This allowed the AI agent to complete a full development loop — writing code, building an image, flashing the board, booting it, and reading live device output — without human intervention at each step. In one case, the agent independently caught and fixed a failing init script by reading the container logs directly from the running device. The goal was to give the agent the same structured, machine-readable feedback it would get from a standard test process, eliminating the need for a human to translate hardware failures into debugging tasks.

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Developer builds hardware feedback loop so AI agents can test code on real embedded devices · ShortSingh