Contains driver scripts 1. gpio2modbus.py - 4 switch controlling 4 modbus relay 2. gpio_test1.py - 3 float switch and 1 kill switch controlling 3 modbus relay 3. gpio_test2.py - 2 switch controlling 2 modbus relay, with timestamped logging valve-driver.py - daemonized version of 3. Usage python3 valve-driver.py