The SparkFun I2C Expander Library makes working with 4-bit and 8-bit I2C digital I/O expanders very easy. These expanders can read or write four or eight separate I/O. This library supports using ...

A web-based tool for creating custom characters for 16x2 LCD displays used with Arduino projects. This tool provides a visual interface where you can design custom characters on a 5x8 pixel grid and ...

The I2C (Inter-Integrated Circuit) bus is a synchronous serial communication protocol that allows multiple electronic components (sensors, displays, memories, etc.) to be connected within the same ...