Repurposing unused steering wheel buttons as generic macros for an Android head unit 4

Repurposing unused steering wheel buttons as generic macros for an Android head unit
This article covers an automotive project, in which I connect unused buttons on my car’s steering wheel to a micro-controller, which in turn emulates a keyboard and mouse device to the car’s infotainment system via USB. tl;dr, the buttons form a resistor ladder and I use an STM32 black pill board to read the state ...