Ep 314: It's Pi, but Also PCBs in Living Color and Ultrasonic Everything

Hackaday Podcast · 28 Mar 2025 · 1h 11m · Episode 314

What this episode covers

Hosts Elliot Williams and Dan Maloney review a week of hacks, starting with a sound-guessing game won by 'angle grinder'. They discuss Alex Toussaint’s Supercon talk on a 380-microphone sonar array capable of identifying mosquitoes via Doppler shift, and Joe Long’s exploration of full-color PCB silkscreens from JLCPCB and PCBWay for badge art and assembly guides. The episode also covers an automated machine for embedding fiber optics in concrete, a monolithic BMS for prismatic battery packs, and ultrasonic knives for cutting food.

Mentioned

Companies
Hackaday, JLCPCB, PCBWay, HackerBox, Makernet, Cray
Products
Neopixel
Chips
TDK T3902
Tools
EasyEDA, KiCad, Gimp, Inkscape
Also
Brian Benchoff, El Capitan

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