Two wires, one resistor, nobody drives the high level I2C uses two wires and no chip selects: devices share SDA and SCL and are told apart by address. Both lines are open-drain. A device can pull a line low through an N-channel MOSFET and can release it, but it cannot drive it high — the […]
I2C – Everything you need to know Read More »
The I2C bus (read as I squared C) is one of the most important embedded system serial bus interface first introduced by Philips in 1980; using just two lines called SCL (serial clock) and SDA (serial data) respectively make the I2C bus is a perfect choice to provide additional I/O capabilities to your microcontroller project
Transforming your AVR Microcontroller to the I2C or TWI Slave I/O Expander Project Read More »
