TinkerNews #57: Python GPIO Projects for Raspberry Pi LEDs and Buttons; Find and Reclaim Raspberry Pi Storage; Run Embedded Boards in Your Browser; Build a Low Cost Solar Car That Moves; OpenScope Replaces Buggy FNIRSI 2C53T Firmware; Build a ROS 2 Rover with ESP32 or Pico; Build an ESP32-S3 Haldex Controller for VAG Cars; Build a Printable Duck Robot for Motion Experiments; Arduino Metal Detector with Target Classification and Depth; Build Room by Room Home Assistant Touch Panels; Rewire a SmallTV for Stocks, Claude, and Planes; Turn Waveshare Industrial I/O Into a Network Controller; ESP32-C6 RMT Drives a Reliable WS2812 LED; ESP32 Arduino IDE Troubleshooting Checklist; Build an Open Source Robot Vacuum for $200; ESP32 Snake Game with MPU6050 and OLED; Tindie Blog; Circuit Cellar; WS2812B power calculator. 19 curated DIY electronics builds: ESP32, Arduino, Raspberry Pi, robotics, IoT. With source links and honest hardware notes. Full issue: https://www.tinkernews.com/issues/57-duck-robots-openscopes-and-esp32-haldex-controllers Free bench tools for these projects: pinout charts, code readers and calculators at tinkernews.com/tools.