Tanaka Masayuki's PCMFlow722 library enables (half-duplex) two-way real-time HD voice over ESP-NOW on ESP32 boards with a speaker and a microphone, ...

This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 5 decoders with a switch can be read over I2C. The PCF interrupt line can be used to detect changes ...

The postage stamp-sized chip can store a hidden message that is only revealed when exterior humidity levels surpass 60 percent. The image can then be concealed again by bringing humidity back down. In ...

Back in the 80s, buying a home computer could easily mean an inflation-adjusted cost of thousands of dollars (or your equivalent currency unit of choice), and all for an 8-bit machine that might ...

V2X2MAP is an open-source receiver and live map for ITS-G5 / V2X traffic working with ESP32-C5 board over 5.9 GHz WiFi.

11th May 2026: We updated our list of working Rivals codes. Rivals is a Roblox shooter with an impressively detailed weapon system. In this game, you’ll challenge other players to duels, shop for ...

April 23, 2026: We added two new Dress to Impress codes. Dress to Impress is one of the most popular Roblox experiences out there, with more than 7 billion visits. As you progress through the ranks ...

31st May 2026: We added new Universal Tower Defense X codes. Universal Tower Defense X is a classic Roblox tower defense game that’s packed with characters from popular anime and game series. In UTDX, ...