Single Channel Relay Pin Diagram. Before we proceed with the circuit to drive the relay we have to consider two important parameter of the relay. Wide range of controllable voltage.
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The label on the board is wrong it should be 5v instead of 12v. An 8 pin spdt single channel relay and an 11 pin dpdt single channel relay to monitor a single pump and an 8 pin dual channel relay with 2 spno contacts to monitor two pumps. The relay function can be better understood by explaining the following diagram given below.
Let s first discuss the pinout and pin configuration details of the 5v single channel relay module.
Wide range of controllable voltage. In power system and high voltage system the lower current can control the higher one. 5v single channel relay module pinout. The label on the board is wrong it should be 5v instead of 12v.
