powerday Pixhawk-I2C Splitter Expand Module for Pixhawk APM Flight Controller The I2C splitter expands the I2C port to allow up to four additional peripherals to connect to Pixhawk. Use the 4-wire cable to connect the I2C splitter and add a compass module, external LED, digital airspeed sensor, or other peripherals to your vehicle. Package content Pixhawk-I2C module x 1 4P cable 60mm x1