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1 Channel 5v Relay Module For Arduino 1-channel Relay Ky-019 For Pic Avr Dsp Arm For Arduino Wavgat - Integrated Circuits - AliExpress
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GitHub - lucasgiusti/node-arduino-relay: This is the source code for a simple example using Nodejs and Socket.io for activate relay from a Arduino
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Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
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3.3V 5V 12V 24V 1 Channel Relay Module support High and Low Level with Optocoupler Relay Output 1 way Relay Module for Arduino|Integrated Circuits| - AliExpress
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