BESTEP 2 Channels 5V Relay Module High and Low Triggering

1. DC+: Connect the power-positive pole
2. DC-: Connect the power negative pole.
3. IN1-IN2: According to the setting of each way, the corresponding relay operating can be controlled by high or low levels.

Relay output:

There is a 2-wire interface, all interfaces can be directly connected to lead to facilitate user use.

1. NO1–NO2: Relay normal open, the relay suspends before pulling in, and then short-connect with the COM.
2. COM1–COM2: Relay common interface
3. NC1–NC2: Relay normal close, short connected with COM before pulling in and suspended after pulling in.

High and low-level trigger options:

1. S1-S2 is the high-level trigger selection of relay 1 Channel – 2 Channel.
2. When COM is short-connected with LOW, the corresponding relay is a LOW-level trigger, while when COM is short-connected with the high end is a high-level trigger.

Packing List:

1 x BESTEP 2 Channels 5V Relay Module High and Low Triggering