Both the Raspberry Pi Pimoroni OnOff SHIM and Pimoroni Button SHIM with 5 x tactile, right-angle push buttons are priced at $6.95 and both are in stock as of the current time.

Requires affordable materials like LED arcade buttons, RP2040 Zero or Raspberry Pi Pico, male-to-male USB cable, soldering equipment, and circuit Python code.

A new Pi is $35, but we found an old Raspberry Pi 2 in my desk drawer, which was up to the task. (Newer Pis have built-in Wi-Fi and faster processors, but for our simple button project we didn’t ...