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DIY 1-Channel 5V Relay with Lamp
The module compliant with international safety standards£¬ with isolation channel in control area and load area Adopt Songle relay With power and relay movement instruction When there are signals in signal input end£¬ common terminal and normally open terminal breakover Can be used as MCU development board module£¬ used for household appliances control Control DC or AC signal£¬ can control 220V AC load With normally open and normally closed contact Blue KF301 terminal to connect cable will be more convenient The difference between high level and low level trigger mode: High level trigger refer to trigger mode which have voltage between signal input terminal and ground£¬ can be understood as one way for signal input terminal and VCC positive short circuit triggered. Low level trigger refer to trigger mode that the voltage is 0V between signal input terminal and ground£¬ can be understood as one way for signal input terminal and GND negative pole short circuit triggered.