Hiletgo 2pcs 5V One Channel Relay Module Relay Switch with Opto Isolation High Low Level Trigger

Module description: 1. The module Operating voltage 5V;2. Fault-tolerant design even if the control line is broken the relay will not operate;3. The power indicator (green) the relay status indicator (red);4. Module size: 50mm*26mm*18.5mm (L*W*H). Interface: -Input VCC: Relay power supply + GND: Relay power supply – IN: Signal trigger input (High or Low Level Signal select via jumper) -OutputNO: Relay normally open.COM: Relay Common Pin NC: Relay normally closed. High or Low Level Trigger Select: 1. Use High Level Trigger When IN input High Level Signal the NO connect with COM When IN input Low Level Signal the NC connect with COM 2. Use Low Level Trigger When IN input Low Level Signal the NO connect with COM When IN input High Level Signal the NC connect with COM 3. High or Low Level Trigger Select Jumper connect with L Low Level Trigger Jumper connect with H High Level Trigger Package Includedïš 2* 5V 1 Channel Relay Module

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