Recent radios allow for direct paddle connection. Some also have built-in keying functionality via USB. As a result, using contest logging software has become as simple as using a single USB cable.

The ability to write Python on microcontrollers with the likes of MicroPython and later CiruitPython has made them much more accessible. [MakerClassCZ] brings that to game development with PicoGame.

Arduino RFID technology works by using electromagnetic waves in the radio frequency spectrum for wireless communication and data transfer between RFID tags and readers. From supermarket anti-theft ...

A full-featured two-way CW (Morse code) keyer built on the LilyGO T-Display S3 AMOLED board, featuring peer-to-peer WiFi communication via ESP-NOW, real-time Morse decoding, and a beautiful 1.91" ...

Bridge that reads a BLE handlebar remote (DQX-Q7) and re-emits it to the PC as a USB HID keyboard, to navigate the Zwift interface (arrows / Enter / Esc). Full specification (hardware, BLE protocol, ...