Shop arduino relay module

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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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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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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
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DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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179
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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Diyables 3Pcs Relay Module For Arduino, ESP32, ESP8266, Raspberry Pi, 1 Channel, 5V, High/Low Level Trigger
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Diyables 3Pcs Relay Module For Arduino, ESP32, ESP8266, Raspberry Pi, 1 Channel, 5V, High/Low Level Trigger
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1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module For Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official
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14
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1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module For Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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109
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
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5
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Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
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347
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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23
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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MECCANIXITY Relay Module 6 Channel 5V Low Level Trigger Module Blue Relay Module Board For DSP
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MECCANIXITY Relay Module 6 Channel 5V Low Level Trigger Module Blue Relay Module Board For DSP
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4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
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(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
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(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
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(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
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$8.49
2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
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205
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2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
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$17.27
3-CH Rpi Relay Board Rpi Expansion Board, Three Channel Power Relay Module Compatible With Raspberry Pi 5/4B/3B+/3B/Pi Zero W/Zero 2W/Pico/Pico W/Pico
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13
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3-CH Rpi Relay Board Rpi Expansion Board, Three Channel Power Relay Module Compatible With Raspberry Pi 5/4B/3B+/3B/Pi Zero W/Zero 2W/Pico/Pico W/Pico
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$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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20
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
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129
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AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
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Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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Teyleten Robot Relay Module HFD4/3-S Thin 3.3 5V STM32 51 Microcontroller 3Pcs
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Teyleten Robot Relay Module HFD4/3-S Thin 3.3 5V STM32 51 Microcontroller 3Pcs
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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79
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
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12
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AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
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$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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34
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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$8.99
Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
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Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
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1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
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1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
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Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
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85
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Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
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Hiletgo 5V 4 Channel Relay Shield For UNO R3
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215
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Hiletgo 5V 4 Channel Relay Shield For UNO R3
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EC Buying 2Pcs XL9535-K1V5 Relay Control Module 1-Channel Expandable Relay Board IIC 5V Communication Optocoupler Isolation
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EC Buying 2Pcs XL9535-K1V5 Relay Control Module 1-Channel Expandable Relay Board IIC 5V Communication Optocoupler Isolation
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$8.83
Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
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Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
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$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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344
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ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
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113
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AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
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Gikfun DV 6V30V Multifunction Trigger Delay Time Module Switch Control Timer Relay Digit LED Display Micro USB 5V For Arduino EK1945
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Gikfun DV 6V30V Multifunction Trigger Delay Time Module Switch Control Timer Relay Digit LED Display Micro USB 5V For Arduino EK1945
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16 Channel Relay Module Trigger Board 12V LM2576 Relay Module Expansion Board With Optocoupler Electronic Components
Shopping FM
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16 Channel Relay Module Trigger Board 12V LM2576 Relay Module Expansion Board With Optocoupler Electronic Components
Shopping FM
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 ...
173K viewsFeb 4, 2018
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Shop arduino relay module

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$15.99
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
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347
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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MECCANIXITY Relay Module 6 Channel 5V Low Level Trigger Module Blue Relay Module Board For DSP
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4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
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(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
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(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
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2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
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2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
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3-CH Rpi Relay Board Rpi Expansion Board, Three Channel Power Relay Module Compatible With Raspberry Pi 5/4B/3B+/3B/Pi Zero W/Zero 2W/Pico/Pico W/Pico
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13
$17.27
3-CH Rpi Relay Board Rpi Expansion Board, Three Channel Power Relay Module Compatible With Raspberry Pi 5/4B/3B+/3B/Pi Zero W/Zero 2W/Pico/Pico W/Pico
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$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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20
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
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129
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AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
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$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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$9.99
Teyleten Robot Relay Module HFD4/3-S Thin 3.3 5V STM32 51 Microcontroller 3Pcs
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$9.99
Teyleten Robot Relay Module HFD4/3-S Thin 3.3 5V STM32 51 Microcontroller 3Pcs
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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79
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
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12
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AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
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$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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34
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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$8.99
Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
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$8.99
Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
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$2.10
1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
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$2.10
1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
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$9.99
Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
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85
$9.99
Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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