Needed
1 RaspberryPI
1 KMTronic 2 Relay Board
1 USB cable
recommend install Raspbian
To see ttyusb use do the following:
cat /dev/tty and press TAB twice
Here we see that ttyUSB0
Set speed USB port
stty -F /dev/ttyUSB0 9600
Shell script to control relays
echo -e "\xFF\x01\x01" > /dev/ttyUSB0
echo -e "\xFF\x01\x00" > /dev/ttyUSB0
echo -e "\xFF\x02\x01" > /dev/ttyUSB0
echo -e "\xFF\x02\x00" > /dev/ttyUSB0
