If there's room in the case you could do it over I2C to a GPIO expander. That'll get down to four wires (+3.3v, SDA, SCL, and ground).
You need room in the case for the expander wand the wires from it to buttons and LEDs.
You need room in the case for the expander wand the wires from it to buttons and LEDs.
Statistics: Posted by thagrol — Fri Jun 20, 2025 10:54 pm