Verbindungen:

Raspberry PI Header P1 an SN 75176
Pin 2 (5V)- Pin 2(RE/) Pin 3(DE) Pin 8(VCC)
Pin 6 (GND)- Pin 5 (GND)
Pin 8 (Data TxD)- Pin 4 (DI)

SN 75176 DMX Stecker
GNDDMX 1
Pin 6(A)DMX 3
Pin 7(B)DMX 2




from http://elinux.org/File:GPIOs.png