An Arduino demo code for I2C bus-repeater device evaluation board. This demo code shows PCA9617A operation with changing two I²C signal voltages. The two voltages are supplied from LDOs on the board.

1. Needs to monitor the receiver for a carrier. If a carrier is detected open the squelch and connect the receiver’s audio to the transmitter’s input and lastly turn on the transmitter. 2. At the end ...