*DIODE D1 (1N916 OR EQUIVALENT) IS NOT REQUIRED FOR UNITS WITH OPEN COLLECTOR OUTPUT. DUAL CHANNEL DEVICE CHANNEL 1 SHOWN 3.3 V or 5V 3.3 V or 5V 8 7 V CC1 V CC2 R L 220 Ω I F + 1 2 D1* V 0.1 µF F BYPASS – 5 GND 1 GND 2 SHIELD 1 2 Fig...