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Description

This is a 2 Channel 5V Relay with Optocoupler, LOW Level Trigger expansion board, be able to control various appliances, and other equipments with large current. Standard interface that can be controlled directly by microcontroller ( 8051, AVR, PIC, DSP,ARM, ARM, MSP430, TTL logic)..
Relay of high quality low noise relays SPDT. A common terminal, a normally open, one normally closed terminal..
OptoCoupler isolation, for high voltage safety and prevent ground loop with microcontroller..
VCC and JD-VCC are also the power supply of the relay module. When you need to drive a large power load, you can take the jumper cap off and connect an extra power to RY-VCC to supply the relay; connect VCC to 5V of the MCU board to supply input signals..
LED light is used to indicate the relay output state; board four weeks with four screw holes, hole diameter 3.1mm, easy to install and fixed..

This is a LOW Level 5V 2-channel relay interface board, and each channel needs a 15-20mA driver current. It can be used to control various appliances and equipment with large current. It is equipped with high-current relays that work under AC250V 10A or DC30V 10A. It has a standard interface that can be controlled directly by microcontroller. This module is optically isolated from high voltage side for safety requirement and also prevent ground loop when interface to microcontroller. Technical Specifications: Maximum AC current and voltage : 10A 250VAC Maximum DC current and voltage : 10A 30VDC Relay long life can absorb 100000 times in a row Module with diode current protection, short response time Optocoupler isolation, good anti-interference Low level pull-in, high-level release. Pull the status indicator light, release the status indicator is off VCC for the system power, JD_VCC for the relay power. Plug in the jumper cap PCB Size: 50.5mm x 38.5mm x 18.5mm/1.99″x 1.52″x 0.73″(L×W×H) NOTE: 1.Some Raspberry-Pi users have found that some relays are reliable and others do not actuate sometimes. It may be necessary to change the value of R1 from 1000 ohms to something like 220 ohms, or supply +5V to the VCC connection. 2.The digital input s from Arduino are Active LOW: The relay actuates and LED lights when the input pin is LOW, and turns off on HIGH. 3. If you want complete optical isolation, connect "Vcc" to Arduino +5 volts but do NOT connect Arduino Ground. Remove the Vcc to JD-Vcc jumper. Connect a separate +5 supply to "JD-Vcc" and board GND. This will supply power to the transistor drivers and relay coils.If relay isolation is enough for your application, connect Arduino +5 and Gnd, and leave Vcc to JD-Vcc jumper in place. Package inlcuded: 5x 2 Channel 5V Relay Module

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Anmbest 5PCS 2 Channel 5V 10A Relay Module with Optocoupler Low Level Trigger Expansion Board for Raspberry Pi Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32

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