Graphics calculators are one of those strange technological cul-de-sacs. They rely on outdated technology and should not be nearly as expensive as they are, but market effects somehow keep prices w…

Audio Reactive WLED LED Lamp (ESP32 + WS2812B + 3D Printing): In this project we build an Audio Reactive LED lamp inspired by the WLED logo, using an ESP32 and a 5V WS2812B strip (96 LEDs). The lamp is fully 3D printed and designed for clean, hidden internal wiring. You can either use the custom PCB with an IN…

ESPTimeCast is a hackable, Wi-Fi-connected LED matrix clock and weather display powered by an ESP32 or ESP8266 microcontroller.