Feature
1. Relays are suitable for driving high power electronic devices such as lights, electric fan and air condition. This relay module can be used to control high voltages with a low voltage by connecting to an MCU
2. Working voltage: 5v; PCB size: 2.0 x 4.3 cm
3. With power indicator and signal output indicator
4. Working principle: when a high level is given to SIG, the PNP transistor is energized, coil of the relay electrified, normally open contact closed, and the indicator LED lights up; when a low level is given, PNP will be de-energized, the original state is restored - the normally closed contact closed, and the indicator LED goes out then

Product Description
Application 
The relay module can be applied in an automatic control circuit, used as a module for MCU development boards, or as household appliances control. 

Component List 
-1 * Relay Module 
-1 * 3-Pin anti-reverse jumper wire

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