The MCP23008 is an 8-bit I/O expander with I2C interface. This general purpose device has three address pins. It contains multiple 8-bit configuration registers for input, output, and polarity ...

[Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Arduino ...

Apogee Semiconductor proudly announces APIO16, the industry’s first radiation-hardened 16-bit I/O expander, engineered to streamline digital expansion in spaceborne and high-reliability terrestrial ...