How to save the Gabellichtschranke 5V, when connecting it to the RoboPro interface.
rbudding (10.2.2007, 12:50:28)
links weerstand 100 ohm, 0,25 watt
midden vertical: DIODE, ZENER 500MW 5.1V; Voltage, Vz:5.1V; Power, Ptot:0.5W; Case style:DO-35; Current, zener:5mA; Diameter, External:2mm; Diode type:Zener; Length / Height,
rechts: DIODE, 1N4148 (extra beveiliging tegen verkeerd om aansluiten + / -)