1 channel DC 5V/9V/12V/24V Optocoupler Relay Module Support high and low trigger
ab 1,19 €
2, Using SMD optocoupler isolation, driving ability, stable performance ; trigger current 5mA;. 1 x Optocoupler Relay Module. OLED LED&RGB. High and low trigger selection ends 2 When the jumper is high with high short trigger.
Jetzt bei Ebay:
