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 ...

Analog Devices, Inc., has introduced a mobile I/O expander and QWERTY keypad controller with ambient light sensing for smart portable devices that require a large keypad matrix and expanded I/O lines.

Need to quickly toggle or read some logic signals without the hassle of writing a quick program? [Thor_x86], aka [Eric], built an Arduino sketch that does just that — and he threw in the ability to ...

Catalyst Semiconductor has added a 16-bit device to its family of I/O bus expander ICs. The CAT9555 comprises two 8-bit ports (16 I/O pins), which power up as inputs and can be configured as an input ...