Ep078: Happy B-Day MP3, Eavesdrop on a Mars Probe, Shadowcasting 7-Segments, & a Spicy Commodore 64
Hackaday editors Mike Szczys and Elliot Williams discuss a variety of hardware hacks, including decoding telemetry from the Tianwen-1 Mars probe, a wireless SD card reader using an ESP8266, and a plasma cutter collision detection system based on exact constraint design. They also review a mechanical shadow-casting 7-segment display, a Commodore 64 used to control a meat smoker, and a 4-axis stencil printer for PCBs. The episode concludes with a retrospective on the 25th anniversary of the MP3 format and a discussion on SpaceX's Falcon 9 rapid reflight records.