2 Channel 5V Relay Module – Optocoupler Isolation for Arduino by ADIY

2 Channel 5V Relay Module – Optocoupler Isolation for Arduino by ADIYDESCRIPTION The relay module is an electrically operated switch that allows you to turn on or off a circuit using voltage and or current much higher than a microcontroller could handle. There is no connection between the low voltage circuit operated by the microcontroller and the high power circuit. The relay protects each circuit from each other. Each channel in the module has three connections named NC, COM, and NO. Depending on the input signal

DESCRIPTION

The relay module is an electrically operated switch that allows you to turn on or off a circuit using voltage and/or current much higher than a microcontroller could handle. There is no connection between the low voltage circuit operated by the microcontroller and the high power circuit. The relay protects each circuit from each other. Each channel in the module has three connections named NC, COM, and NO. Depending on the input signal trigger mode, the jumper cap can be placed at high.

FEATURES

•  The module can be controlled directly using Microcontrollers
•  easy to install and fix
•  Optically Isolated relays to protect your microcontroller from damage if the   equipment being controlled fails
•  four screw holes, hole diameter 3.1mm
•  relay status indicator light, release status LED is off
•  Relay Maximum output: DC 30V/10A, AC 250V/10A
•  Size: 75mm (l) x 55mm (b) x 19.3mm (h)
•  Weight: 58g
•  PCB Color: Blue

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2 CH Channel Relay Module - 5 V,2 CH Channel Relay Module