12V Relay Module Single Channel - Active High or Low
Single Channel 12V Relay Module with Optocoupler Supports High and Low Level Trigger for Arduino / Raspberry pi /propeller etc.... The relay can be set to a high or low trigger
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12V Relay Module Single Channel - Active High or Low
Trigger level: 3v - 12v 15ma Signal Low = On (0 - 2.5v) Signal High = Off (3 - 12v) Connections: DC+ +12v DC- Ground (0v) IN = microcontroller signal This relay is single pole double throw. NO / Common / NC