Channel Relay Controller

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$39.99

Sainsmart 16-Channel 9-36V USB Relay Module

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$39.99

Sainsmart 16-Channel 9-36V USB Relay Module

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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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$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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$159.00

MIDI Solutions Relay MIDI Event-Controlled Relay MIDI Relay Switch With 1 X MIDI Input, 1 X MIDI Through, And 1 X 1/4" Relay Output

Sweetwater

$159.00

MIDI Solutions Relay MIDI Event-Controlled Relay MIDI Relay Switch With 1 X MIDI Input, 1 X MIDI Through, And 1 X 1/4" Relay Output

Sweetwater

$27.17

$73.44

16 Channel DC 12V PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ

Aliexpress

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63% off

$27.17

$73.44

16 Channel DC 12V PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ

Aliexpress

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$2.71

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)

Amazon.com

$2.71

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)

Amazon.com

$29.98

DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch

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$29.98

DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch

Amazon.com

$54.50

Hhbwl0 1/4/6/8/10/12/16 Channels Relay Module With DIN Rail Mount 10A 5V/12V/24V PNP NPN 1NO 1NC PLC Output Controller Amplifier Board(16 Channels,

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$54.50

Hhbwl0 1/4/6/8/10/12/16 Channels Relay Module With DIN Rail Mount 10A 5V/12V/24V PNP NPN 1NO 1NC PLC Output Controller Amplifier Board(16 Channels,

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$14.18

Respicefinem Solid State Relay State Relay Channel Control Channel Ac Single Phase SSR 24 480Vac 40A Berm Sk40da For Industrial Equipment (25A(

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$14.18

Respicefinem Solid State Relay State Relay Channel Control Channel Ac Single Phase SSR 24 480Vac 40A Berm Sk40da For Industrial Equipment (25A(

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$16.99

KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino

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$16.99

KEYESTUDIO 4 Channel Relay Shield 5V Relay Module For Arduino

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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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$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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$13.99

AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino

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$13.99

AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino

Amazon.com

$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

965

$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

965

$7.01

$7.97

JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY

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12% off

$7.01

$7.97

JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY

Amazon.com

$17.95

JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5

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$17.95

JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5

Amazon.com

$17.99

DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home

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$17.99

DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home

Amazon.com

$12.97

JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi

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$12.97

JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi

Amazon.com

$6.97

JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control

Amazon.com

$6.97

JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control

Amazon.com

$0.77

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

$0.77

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

$9.34

5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt

Aliexpress

$9.34

5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt

Aliexpress

$1.88

$2.51

5V 2 Way Channel Relay Module High And Low Level Trigger Relay Control With Optocoupler Isolation

Aliexpress

25% off

$1.88

$2.51

5V 2 Way Channel Relay Module High And Low Level Trigger Relay Control With Optocoupler Isolation

Aliexpress

$2.57

$7.58

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

66% off

$2.57

$7.58

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

$47.80

$54.98

6 Channel Remote Control Relay Switch Universal Motor Light Door Window Controller, 433Mhz, 12V DC

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13% off

$47.80

$54.98

6 Channel Remote Control Relay Switch Universal Motor Light Door Window Controller, 433Mhz, 12V DC

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$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

$33.17

0A DC 12V 36V Relay Secure Remote Control Switch Relay Module For Motor Light Gate Door DIY Controller 433Mhz 8 Channel Remote Control Relay Switch

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$33.17

0A DC 12V 36V Relay Secure Remote Control Switch Relay Module For Motor Light Gate Door DIY Controller 433Mhz 8 Channel Remote Control Relay Switch

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$1.93

4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay

Aliexpress

$1.93

4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay

Aliexpress

$0.94

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

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$0.94

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

Free shipping

$1.50

$2.14

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

29% off

$1.50

$2.14

2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way

Aliexpress

$3.17

1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence

Aliexpress

$3.17

1 Channel 30A Relay Module 5V/12V/24V High And Low Level PLC Automation Control Intelligence

Aliexpress

$3.64

$7.29

5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino

Aliexpress

50% off

$3.64

$7.29

5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino

Aliexpress

$9.44

$10.06

1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller

Aliexpress

$9.44

$10.06

1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller

Aliexpress

$0.36

$0.45

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

Aliexpress

19% off

$0.36

$0.45

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

Aliexpress

$1.85

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

Aliexpress

$1.85

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

Aliexpress

$31.74

$41.13

12CH Relay Switch DMX512 Relay Control 12 Way Relay Switch 12 Channel 10A 2A Decoder Dimmer For LED

Aliexpress

Free shipping

22% off

$31.74

$41.13

12CH Relay Switch DMX512 Relay Control 12 Way Relay Switch 12 Channel 10A 2A Decoder Dimmer For LED

Aliexpress

Free shipping

$1.84

$2.00

4 Channel 5V Relay Shield Module Four Channel Relay Control Board Relay Expansion Board For Arduino

Aliexpress

Free shipping

$1.84

$2.00

4 Channel 5V Relay Shield Module Four Channel Relay Control Board Relay Expansion Board For Arduino

Aliexpress

Free shipping

$20.38

Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V

Amazon.com

$20.38

Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V

Amazon.com

$4.99

Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level

Amazon.com

$4.99

Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level

Amazon.com

8 Channel Relay Controller Rj45 Tcp Ip Controller Rj45 Tcp Ip Remote …

2.1B viewsMar 1, 2025

ESP8266 DIN 8-Channel Wifi Relay Controller

Jun 26, 2015

hackaday.io

4-Channel Relay Driver Circuit and PCB Design

12 viewsSep 23, 2019

circuitdigest.com

RS-232 8-Channel Relay Controller with General Purpose SPDT Relay…

Aug 29, 2023

ncd.io

0:09

4x4 Relay Matrix Control Using an 8 Channel Relay Module #electricia…

9.6K viewsJan 8, 2025

Facebook𝐄𝐥𝐞𝐜𝐭𝐫𝐨𝐧𝐢𝐜 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬

Over 120 Meter Control 8 Channel Relay Module With 433MHz Wirele…

12.6K viewsSep 30, 2020

instructables.com

0:26

💬 Control multiple devices with a 4-channel relay! 💒 Home automation i…

147.8K views4 months ago

FacebookAzarchannel

8:37

How to Test a Relay

997.1K views8 months ago

wikiHowRicardo Mitchell

KC868-A16 Kincony 16 Channel Relay Controller ESP32 Program …

7 viewsFeb 23, 2025

alibaba.com