Boards, robots and rigs that people built or fixed with an agent.
Newest first, as we log them.
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55 d ago
Session Beacon shows every Claude Code session on a 1.8-inch ST7735 screen and turns a row red when that session waits on a prompt. A Python daemon fed by Claude Code hooks sends updates over USB serial to an Arduino Nano ESP32 or a Waveshare RP2040-Zero. Setup is documented for Windows only. README photos show the finished beacon.
2 mo ago
A Hacker News poster installed Hermes Agent over SSH on the Linux side of an Arduino UNO Q and connected a ChatGPT subscription. Asked to blink an LED, the agent did. Asked for Conway's Game of Life on the 8x13 LED matrix, the post says it searched the board's docs and got it running. There are no photos or logs.
3 mo ago
Sigurd Enghoff replaced the WLKATA MT4 desktop arm's stock firmware and built a vision and MCP control stack on top. His ATmega2560 firmware runs Cartesian moves on the arm, ArUco markers calibrate a fixed camera, and an MCP server takes requests from Claude Code or Cursor. Linked videos show the arm stacking cubes and following typed instructions.
4 mo ago
Amer El-Saad built a 3-DOF tower crane for his master's thesis that Claude plans and drives through 4 MCP tools. One overhead camera, YOLOv8 and ArUco markers locate parts and stations in centimeters. An Arduino Uno drives the DC motors, and code rejects any route that crosses a worker. README photos show the crane and live detections.
5 mo ago
Cliff Lasser built a clock from 128 Soviet IV-25 VFD tubes on eight boards, each run by an Arduino Nano ESP32 over RS485. He wrote about 15 pages of specification, and Claude wrote all the code, now over 8,000 lines. The first version, about 3,500 lines, ran on the first try with one bug: the display was rotated 180 degrees.
