KeyChainino 144 is the new version of the KeyChainino Family
It has 144 LEDs in a 12×12 matrix, driven by the Atmel Atmega328 microcontroller.
It is powered by CR2032 (3V) Coin-cell battery that last more than 3 months with a normal day usages. (Battery not included)
Lovely made in Italy ❤️
Shipped with the new Arkanoid game pre-uploaded.
If you want to hack and change the game on KeyChainino, follow this guide.