Builds

Boards, robots and rigs that people built or fixed with an agent.

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Fri 4 Sep20:2355 d ago
BuildBB-0193github.com
Session Beacon: a USB status light for parallel Claude Code sessions
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.
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Fri 3 Jul09:323 mo ago
BuildBB-0108github.comBuild of the week
WLKATA MT4 arm gets new firmware, vision pick-and-place and an MCP server for LLM control
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.
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