[Inderpreet’s] chosen LCD used an I2C interface, which was new to him. Rather than shy away, [Inderpreet] grabbed his Bus Pirate and dove in! I2C or Inter-Integrated Circuit serial interfaces ...

but debugging a non-working I2C setup can be opaque, especially if you’re just getting started with the protocol/bus. An I2C bus scanner can be a helpful first step in debugging an I2C system.

I2C is a two-wire, bidirectional bus protocol that enables effective communication between one master (or multiple masters) and one or more slave devices. It is a straightforward, half-Duplex, ...

The synchronous I2C interface is a block that interconnects an APB bus. The APB - I2C Bridge interfaces to the APB bus on the system side and the I2C bus. The APB interface is used to easily integrate ...