A list of the 4 libraries that are licensed with the CC0 1.0 license.
| Ballvalve | A library to control 5 wire electric ball valves like the US Solid MSV-00015. |
| LapX9C10X | A library to drive the X9C102/103/104/503 Digitally Controlled Potentiometers |
| SevenSegInt | A library to drive 7 segment displays using interrupts. |
| Watermeter | Control Library for reed switch pulse actuated water meters such as the DAE Water Meter Model V-100P |