One of the joys of browsing secondhand shops is the possibility of finding old, perhaps restorable or hackable, electronics at low prices. Admittedly, they usually seem to be old flat-screen TVs, ...
The MCP_POT library implements access to MCP digital potentiometers. These devices have 1 or 2 potentiometers, 10 KΩ, 50 KΩ and 100 KΩ and communicates over SPI. The library supports both hardware SPI ...
* Okay, not everything; you'll need to provide all the hardware. If you've been here before but you're confused by all the newness, the original MoppyClassic has still been preserved for posterity, ...