Boards, robots and rigs that people built or fixed with an agent.
Newest first, as we log them.
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10 d ago
GoFly says an AI agent designed a six-layer STM32F405 flight controller in EasyEDA Pro through easyeda-agent, then ordered it from JLCPCB with SMT assembly. The post says the agent then flashed the board over USB and ran basic function tests. The design keeps only the MCU, gyroscope and accelerometer, and testing stayed on the desk.
21 d ago
Anup Ray reverse-engineered a Nokia 110 4G's firmware with OpenAI Codex and rewrote its Calculator app as an agent chat app. It sends messages to DeepSeek over the phone's SIM data and can check the battery, toggle the torch, place calls and set alarms. It loads into RAM from a computer, so a restart removes it.
2 mo ago
co-arm is a 3D-printed four-joint camera arm built from ST3215 serial-bus servos, an ESP32 servo HAT and a Raspberry Pi 4. Codex previews each move before running it, then reads the joints and camera to check the result. The author says Codex has moved the physical arm; demo media is not published yet. The software is source-available for noncommercial use.
2 mo ago
Niclas Vestlund's VibePulse shows Claude Code and Codex usage and agent activity on a Waveshare ESP32-S3 AMOLED panel. A full-screen alert appears when an agent waits for input, and a tap answers supported prompts. A Python service runs on macOS or Windows; cloud relays are off by default. The README links a YouTube Short of the panels on his desk.
2 mo ago
Steve from IQ Workshop ran Hermes Agent on a 1 GB Raspberry Pi 3 Model B Plus, using OpenAI's Codex model and Telegram for chat. He asked it to write and upload a countdown blink sketch to an ESP32 on his workbench. The first upload failed; the agent diagnosed the error, retried and saved the fix to its memory.
3 mo ago
code-chan runs on a Stack-chan robot with an M5Stack CoreS3 and shows whether Claude Code or Codex is ready, working or waiting for permission. The user approves or rejects a prompt on its touchscreen. A local Node.js bridge sends hook events over USB serial, and the firmware checks each message before acting. README photos show three states.
3 mo ago
StackChan Remote MCP connects Codex to an M5Stack CoreS3 StackChan robot through a FastMCP server and an MQTT broker on a VPS. Codex switches the robot's expression, gets camera photos back as MCP images and reads screen and head-pad touches from an unread queue. The README reports an end-to-end test on a CoreS3 but shows no photos or logs.
5 mo ago
Craig Hollabaugh had Codex identify a blank LilyGo T-Display S3, install the toolchain and write a display test in an unedited session. When the screen stayed dark, the agent found the panel is an ST7789 on an 8-bit parallel bus and rewrote its driver. It then built an LVGL 9.2 speedometer and tachometer dashboard, on camera throughout.
5 mo ago
Wired's Will Knight connected OpenClaw and Codex to a LeRobot SO-101 arm with a camera. Codex configured the connections, helped calibrate the joints and wrote a script that grips a red ball the camera sees. OpenClaw then guided training of a control model, checking its error rate after each run. The article's clips show the arm at work.
5 mo ago
A software engineer had Codex with GPT-5.5 write most of wfb-link, a Rust stack that drives an ALFA AWUS036ACH Wi-Fi adapter from macOS userspace. Claude Opus 4.7 helped at times. The stack initializes the RTL8812AU and sends and receives WFB-NG frames, with a Raspberry Pi 5 at the far end. The Show HN post says the alpha took two weeks.
