DIY Relay Module Arduino

购买 DIY Relay Module Arduino

$15.99

Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays

Amazon.com

$15.99

Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays

Amazon.com

$10.99

NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)

Amazon.com

$10.99

NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)

Amazon.com

$5.89

Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger

Amazon.com

436

$5.89

Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger

Amazon.com

436

$50.14

$55.95

Notifier FRM-1 - Control Relay Module

Amazon.com

Free shipping

折扣 10%

$50.14

$55.95

Notifier FRM-1 - Control Relay Module

Amazon.com

$11.29

Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino

Amazon.com

$11.29

Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino

Amazon.com

$18.99

AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless Wifi 8 Way Channel 5V Relay Module ESP32-WROOM-32E For Arduino

Amazon.com

$18.99

AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless Wifi 8 Way Channel 5V Relay Module ESP32-WROOM-32E For Arduino

Amazon.com

$27.87

$35.73

For UNO R3 Arduino PLC RS485 Remote IO Diy ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO

Aliexpress

Free shipping

折扣 21%

$27.87

$35.73

For UNO R3 Arduino PLC RS485 Remote IO Diy ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO

Aliexpress

Free shipping

$2.58

$5.14

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High And

Aliexpress

折扣 49%

$2.58

$5.14

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High And

Aliexpress

$1.45

$4.27

1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level

Aliexpress

折扣 66%

$1.45

$4.27

1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level

Aliexpress

$23.99

$25.99

Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X

Amazon.com

$23.99

$25.99

Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X

Amazon.com

$1.85

$3.59

5V 1 Channel Relay Module For Arduino 1 Way Relay Interface Board For MCU PIC AVR DSP ARM SCM

Aliexpress

折扣 48%

$1.85

$3.59

5V 1 Channel Relay Module For Arduino 1 Way Relay Interface Board For MCU PIC AVR DSP ARM SCM

Aliexpress

$4.05

5V/12V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt Optocoupler

Aliexpress

Free shipping

$4.05

5V/12V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt Optocoupler

Aliexpress

Free shipping

$11.99

Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of

Amazon.com

194

$11.99

Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of

Amazon.com

194

$4.45

1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp

Aliexpress

$4.45

1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp

Aliexpress

$1.62

$3.14

1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC

Aliexpress

折扣 48%

$1.62

$3.14

1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC

Aliexpress

$27.14

8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32

Etsy

$27.14

8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32

Etsy

$6.34

$11.05

1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

Aliexpress

折扣 42%

$6.34

$11.05

1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

Aliexpress

$0.38

$0.52

1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

Aliexpress

Free shipping

折扣 26%

$0.38

$0.52

1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

Aliexpress

Free shipping

$2.87

5V 12V 24V 2 4 6 8 Way Relay Module For Arduino 2 4 6 8 16 Channel Power Module With Optocoupler

Aliexpress

$2.87

5V 12V 24V 2 4 6 8 Way Relay Module For Arduino 2 4 6 8 16 Channel Power Module With Optocoupler

Aliexpress

$7.79

Velleman 5V Relay Module Arduino Compatible By Whadda

Jameco Electronics

$7.79

Velleman 5V Relay Module Arduino Compatible By Whadda

Jameco Electronics

$0.37

$0.78

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High And

Aliexpress

折扣 52%

$0.37

$0.78

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High And

Aliexpress

$1.94

$2.03

1-10Pcs 5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level

Aliexpress

$1.94

$2.03

1-10Pcs 5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level

Aliexpress

$1.34

$1.87

1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level

Aliexpress

折扣 28%

$1.34

$1.87

1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level

Aliexpress

$7.99

Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control

Amazon.com

$7.99

Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control

Amazon.com

$1.03

$1.12

Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And

Aliexpress

$1.03

$1.12

Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And

Aliexpress

$3.53

$5.82

4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V

Aliexpress

折扣 39%

$3.53

$5.82

4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V

Aliexpress

$86.36

5V/12V Relay Module Interface Board For High Low Level Arduino 1/2/4/8 Channels. Relay Accessories.

eBay

$86.36

5V/12V Relay Module Interface Board For High Low Level Arduino 1/2/4/8 Channels. Relay Accessories.

eBay

$56.99

2Pcs Esp32 Relay Module 4-Channel Wifi Smart Home Arduino Ac/Dc Power

eBay

Free shipping

$56.99

2Pcs Esp32 Relay Module 4-Channel Wifi Smart Home Arduino Ac/Dc Power

eBay

Free shipping

$0.36

$0.45

One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With

Aliexpress

折扣 19%

$0.36

$0.45

One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With

Aliexpress

$21.63

$22.52

DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch

Aliexpress

Free shipping

$21.63

$22.52

DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch

Aliexpress

Free shipping

$50.00

Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)

Amazon.com

Free shipping

$50.00

Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 5V)

Amazon.com

$10.95

Velleman 4 Channel Relay Module Arduino Compatible By Whadda

Jameco Electronics

$10.95

Velleman 4 Channel Relay Module Arduino Compatible By Whadda

Jameco Electronics

$0.62

$0.88

5V 9V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level

Aliexpress

Free shipping

折扣 29%

$0.62

$0.88

5V 9V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level

Aliexpress

Free shipping

$0.51

$0.55

5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level

Aliexpress

Free shipping

$0.51

$0.55

5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level

Aliexpress

Free shipping

$1.46

$3.17

1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For

Aliexpress

折扣 53%

$1.46

$3.17

1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For

Aliexpress

$0.44

12V 1 Channel Relay Module Board Shield With Optocoupler High And Low Level Trigger Relay PCB & PCBA Product

Alibaba B2B

Free shipping

$0.44

12V 1 Channel Relay Module Board Shield With Optocoupler High And Low Level Trigger Relay PCB & PCBA Product

Alibaba B2B

Free shipping

instructables.com

DIY Relay Module for Arduino

2020年10月13日

Arduino Relay Projects

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Arduino Relay Control Tutorial

circuitdigest.com

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Driving a Relay With an Arduino

instructables.com

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Arduino Relay Basics - How It Works and How to Use It

instructables.com

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