Roshamglo Badge, The Rock-Paper-Scissors kit by SparkFun

https://www.electronics-lab.com/roshamglo-badge-rock-paper-scissors-kit-sparkfun/

The SparkFun Roshamglo is the new and fun way to play Rock-Paper-Scissors with your friends! The board uses the ATtiny84, and has an IR LED and receiver to communicate between badges. To play, simply point the USB connector at your opponents Roshamglo up to 5 feet away and press the 5-way switch to the left […]