This is a small web interface to control the lights and buzzer of a Werma signal tower using the 640.840.00 connection module. It assumes that: Ring 1 is green, Ring 2 is yellow, Ring 3 is red, Ring 4 is buzzer. Ring 5 is assumed to be unconnected
Buzzer
Lights
Auto applies changes
Ring 1 - Red:
Ring 2 - Yellow:
Ring 3 - Green: