A small circuit and program for a puzzle consisting of five LEDs, five pushbuttons, and an ATtiny85. The aim of the puzzle was to find the sequence of button presses that will light up all five LEDs. This is PCB only, you can find almost all the components to build this computer in my webshop. I can deliver a pro programmed ATTiny85 processor, just order a ATTiny85 and put the program in the comment of the order. This is the project page: http://www.technoblogy.com/show?3EL5 My build five leds puzzle https://elecena.pl/product/27512716/five-leds-puzzle-pcb-attiny85 2024-12-18 https://elecena.pl/product/27512716/five-leds-puzzle-pcb-attiny85 2025-04-10