Product: Youngneer 3v Relay Board Power Switch Relay Module 1 Channel Optocoupler - Opto Isolation High Level Trigger for IOT ESP8266 Development Board 6Pack
Brand: Youngneer
Color: 3v Relay 1 Channel
Channel: 1 channel Material: Circuit board Control signal: TTL Work voltage: DC 3V/3.3V Main chip: EL817, SRD-DC03V-SL-C Compatible Load:10A 250VAC, 10A 30VDC Response time :Less than 20 milliseconds Single Socket Length: 7.5:mm Relay Size: 70mm X17mm X20mm (LxWxH) Power interface: 1. VCC: positive pole of power supply (3v/3.3v) 2. GND: connect to the negative pole of the power supply 3, IN: high level control relay suction Load interface: 1. NO: normally open interface of the relay. The relay is suspended before suction and shorted with COM after suction 2. COM: common interface of relay 3. NC: normally closed interface of relay, short connection between relay and COM before suction and suspension after suction. Note: 1. If you're switching high voltages, be very careful handling this device. The terminal block screws, in particular, are at full controlled voltages. Turn off all power off before making changes. 2.When the jumper cap connected, the relay working power supply will also as the signal power supply, when not connected, the relay and signal power supply is isolated. 100% Satisfaction Guarantee: 12-Month Warranty; No satisfied, Free reason for return; Quality problem, please contact us, we will resend your FREE Replacements or make you FULL Refund. Package include: 6 pcs x1 Channel 3v Relay Board
【 3V/3.3V power relay module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO.
【Main Specification】- The 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load;4pcs * 2.5 mm Fixed Bolt Hole.
【Adopted Optocoupler Isolation】- 3V/3.3V power relay module supports photocoupler isolation control and dual power supply input ensure high anti-interference ability. Fast response time less than 20ms and long life time up to 100,000 times snap action with diode freewheel protection.
【Jumper Caps】You can select whether the relay and the signal use the same power supply or not by removing the jumper caps on the pins. It is better to share the same power supply, because that is more convenient for using.
【Wide Application】- These 3v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 module etc.

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