Gitanjali Rao built Tethys at age 12 to detect lead in water within 10 seconds for roughly $20 — but the device has yet to ...
Library to Control Neopixel on Raspberry Pi 5 using python using hardware SPI ( GPIO 10) for high-performance, flicker-free NeoPixel (WS281x) control. ESP32 firmware for DCS World (DCS-BIOS) DIY ...