Sign Led Wiring Diagram. A circuit is usually composed by various components. Strip each small wire 18.
P led module wires are generally white or colored and black or gray. The leds must be connected in series not in parallel. Male slow operating relay delay on wire connections two wires wire connections crossed wires crossing not connected terminal connector terminal block earth connection noiseless earth protective earth chassis earth.
If using a light up switch connect the 3rd connection on the switch to ground.
The anode is the longer lead. Since the max7219 can control a maximum of 64 leds the maximum size dot matrix. The leds must be connected in series not in parallel. Read or downloads.