Shop relay module arduino

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$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
128
$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
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Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
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Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
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ELEGOO 8 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32
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ELEGOO 8 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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Sainsmart 16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM
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Sainsmart 16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32
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116
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32
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116
$18.00
Wired DC-DC 10Amp Isolated Solid State Relay Module, SSR In 3-32VDC Out 5-30VDC, For Raspberry-Pi Arduino ESP32 PLC MCU DSP
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50
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Wired DC-DC 10Amp Isolated Solid State Relay Module, SSR In 3-32VDC Out 5-30VDC, For Raspberry-Pi Arduino ESP32 PLC MCU DSP
Amazon.com
50
$6.79
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
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1K+
$6.79
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
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1K+
$9.99
3V Relay Board For Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger For IOT ESP8266 Microcontrollers Development Board
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50
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3V Relay Board For Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger For IOT ESP8266 Microcontrollers Development Board
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50
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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124
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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124
$13.99
AITRIP 1PCS 8 Channel 5V Solid State Relay Module Board High Level Trigger Compatible With Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC
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$13.99
AITRIP 1PCS 8 Channel 5V Solid State Relay Module Board High Level Trigger Compatible With Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC
Amazon.com
$1.37
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
AliExpress
$1.37
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
AliExpress
$1.11
$1.61
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
Free shipping
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$1.11
$1.61
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
Free shipping
$1.30
$3.60
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
63% off
$1.30
$3.60
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
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DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
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5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino
Aliexpress
$1.13
5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino
Aliexpress
How to use an Arduino Relay Module
4:41
YouTubeTinker & Build
How to use an Arduino Relay Module
Arduino relay circuit and Arduino relay code: In this video we’ll learn how to use a SainSmart 4-Channel 5V relay module with an Arduino. We also discuss the SainSmart relay board’s capability, its use of optocouplers for optoisolation, and how to hook up the Arduino relay circuit. We use the Arduino to switch a light on and off ...
169.2K viewsFeb 4, 2018
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See more videos
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Short videos

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How a Relay works, and how to wire.
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Shop relay module arduino

Sponsored
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$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
128
$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
128
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1K+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
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$8.99
ELEGOO 8 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32
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ELEGOO 8 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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Sainsmart 16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32
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Wired DC-DC 10Amp Isolated Solid State Relay Module, SSR In 3-32VDC Out 5-30VDC, For Raspberry-Pi Arduino ESP32 PLC MCU DSP
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50
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Wired DC-DC 10Amp Isolated Solid State Relay Module, SSR In 3-32VDC Out 5-30VDC, For Raspberry-Pi Arduino ESP32 PLC MCU DSP
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50
$6.79
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
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1K+
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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
Amazon.com
1K+
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3V Relay Board For Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger For IOT ESP8266 Microcontrollers Development Board
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50
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3V Relay Board For Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger For IOT ESP8266 Microcontrollers Development Board
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50
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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390
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
390
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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124
$9.59
AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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124
$13.99
AITRIP 1PCS 8 Channel 5V Solid State Relay Module Board High Level Trigger Compatible With Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC
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AITRIP 1PCS 8 Channel 5V Solid State Relay Module Board High Level Trigger Compatible With Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC
Amazon.com
$1.37
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
AliExpress
$1.37
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
AliExpress
$1.11
$1.61
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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$1.11
$1.61
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
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DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
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$1.59
DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
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5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino
Aliexpress
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5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino
Aliexpress