TinyGo is a Go compiler intended for use in small places such as microcontrollers ... can be compiled and run without modification on an Arduino Uno, an Adafruit ItsyBitsy M0, or any of the supported ...
Basically we need 8 input pins which can be connected to the 8 input push buttons, but for projects like this we cannot use 8 pins of the microcontroller just ... on the size of the timer in your ...