Shop Four-Channel Relay Module

Sponsored
About our ads
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
3
39% off
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
$3.03
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$3.03
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$1.90
$3.85
1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
50% off
$1.90
$3.85
1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
$3.95
$3.97
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
Aliexpress
$3.95
$3.97
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
Aliexpress
$7.19
4 Channel 12V Relay Module 250V 10A Relays For Arduino, Automation &
eBay
Free shipping
$7.19
4 Channel 12V Relay Module 250V 10A Relays For Arduino, Automation &
eBay
$10.69
5V 12V 24V 30A 4 Channel Relay Module Board High And Low Level Relay
eBay
$10.69
5V 12V 24V 30A 4 Channel Relay Module Board High And Low Level Relay
eBay
$14.99
4-Channel Relay Module
eBay
Free shipping
$14.99
4-Channel Relay Module
eBay
$5.15
5V 4--Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
$5.15
5V 4--Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
$20.99
4-Channel Relay Module
eBay
Free shipping
$20.99
4-Channel Relay Module
eBay
$3.75
$7.66
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
51% off
$3.75
$7.66
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$270.96
Taco SR504-5 4 Zone Next Generation Switching Relay, Expandable | Supplyhouse.Com
SupplyHouse.com
3
$270.96
Taco SR504-5 4 Zone Next Generation Switching Relay, Expandable | Supplyhouse.Com
SupplyHouse.com
$1.34
$1.79
DC 5V 12V 1 CH 4 Channel Relay Module Infrared IR Remote Switch Control 1/ 4 Way Self Locking Jog
Aliexpress
Free shipping
25% off
$1.34
$1.79
DC 5V 12V 1 CH 4 Channel Relay Module Infrared IR Remote Switch Control 1/ 4 Way Self Locking Jog
Aliexpress
$1.46
$2.84
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In Stock
Aliexpress
48% off
$1.46
$2.84
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In Stock
Aliexpress
$8.65
$17.49
ESP8266 Wifi 4-Channel Relay Module ESP-12F Development Board AC-DC Switching Power Supply Module
Aliexpress
50% off
$8.65
$17.49
ESP8266 Wifi 4-Channel Relay Module ESP-12F Development Board AC-DC Switching Power Supply Module
Aliexpress
$9.83
$13.64
ESP32 4 Way Relay Module AC 220V 30A ESP32E Module Onboard Supports Development Wi-Fi Bluetooth 4
Aliexpress
27% off
$9.83
$13.64
ESP32 4 Way Relay Module AC 220V 30A ESP32E Module Onboard Supports Development Wi-Fi Bluetooth 4
Aliexpress
$2.42
$3.66
4CH Tuya Wifi Smart Relay 4 Channel Wireless Switch Module 7-32V 85-250V 220V 110V 2200W RF433 10A 4
Aliexpress
Free shipping
33% off
$2.42
$3.66
4CH Tuya Wifi Smart Relay 4 Channel Wireless Switch Module 7-32V 85-250V 220V 110V 2200W RF433 10A 4
Aliexpress
$13.95
Buildyourcnc 24VDC Quad (4 Channel) Relay Module
Shop
$13.95
Buildyourcnc 24VDC Quad (4 Channel) Relay Module
Shop
$3.88
$7.54
4CH Tuya Wifi Relay Smart Wireless Switch Module 4 Channel 7-32V 85-250V 220V 110V 2200W RF433 10A
Aliexpress
Free shipping
48% off
$3.88
$7.54
4CH Tuya Wifi Relay Smart Wireless Switch Module 4 Channel 7-32V 85-250V 220V 110V 2200W RF433 10A
Aliexpress
$5.93
$6.74
Optocoupler Isolation Relay Module 4 Channel FET Field-Effect Tube Module NMOS FR1205 DC 5-24V
Aliexpress
12% off
$5.93
$6.74
Optocoupler Isolation Relay Module 4 Channel FET Field-Effect Tube Module NMOS FR1205 DC 5-24V
Aliexpress
$120.51
Functional Devices RIBMN24Q4C-PX 2.75" Track Mount 4 Output Field Adjustable Staging Threshold Relay Module With 24 VAC/DC Power
SupplyHouse.com
$120.51
Functional Devices RIBMN24Q4C-PX 2.75" Track Mount 4 Output Field Adjustable Staging Threshold Relay Module With 24 VAC/DC Power
SupplyHouse.com
$99.99
Sr504-4 Switching Relaysr-504-44 Channel Relay Module
eBay
Free shipping
$99.99
Sr504-4 Switching Relaysr-504-44 Channel Relay Module
eBay
$15.68
$24.96
N495R-AD22B04 4 Channel Relay DTMF Tone Signal Decoder Remote Control Relay Module 12V DC For PLC
Aliexpress
37% off
$15.68
$24.96
N495R-AD22B04 4 Channel Relay DTMF Tone Signal Decoder Remote Control Relay Module 12V DC For PLC
Aliexpress
$6.56
DC 12V ESP8266 4 Channel Relay Board ESP-01 WIFI Module For Smart Home Intelligent Furniture 4
Aliexpress
$6.56
DC 12V ESP8266 4 Channel Relay Board ESP-01 WIFI Module For Smart Home Intelligent Furniture 4
Aliexpress
$1.43
$3.98
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
64% off
$1.43
$3.98
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.56
5V 12V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For
Aliexpress
$1.56
5V 12V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For
Aliexpress
$1.82
$3.66
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
Aliexpress
50% off
$1.82
$3.66
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
Aliexpress
$28.37
Wireless Rf Relay Module 12V 4 Channel Kit
eBay
$28.37
Wireless Rf Relay Module 12V 4 Channel Kit
eBay
$21.92
DC 8V-36V 4 Channel LED Display Multi-Function Relay Module Board With Optocoupler Self-Locking
Aliexpress
Free shipping
$21.92
DC 8V-36V 4 Channel LED Display Multi-Function Relay Module Board With Optocoupler Self-Locking
Aliexpress
$17.13
$53.66
ESP32 Relay Development Board AC / DC Power Supply Wifi Bluetooth BLE 4 Channel Relay ESP32 Module
Aliexpress
Free shipping
68% off
$17.13
$53.66
ESP32 Relay Development Board AC / DC Power Supply Wifi Bluetooth BLE 4 Channel Relay ESP32 Module
Aliexpress
$21.18
2Pcs 4 Channel 12V Relay Module With Optocoupler High Or Low Level
eBay
Free shipping
$21.18
2Pcs 4 Channel 12V Relay Module With Optocoupler High Or Low Level
eBay
$7.50
ESP32 ESP32-WROOM ESP-32 4 Channel Relay Module WIFI Bluetooth BLE Development Board AC 220V / DC
Aliexpress
Free shipping
$7.50
ESP32 ESP32-WROOM ESP-32 4 Channel Relay Module WIFI Bluetooth BLE Development Board AC 220V / DC
Aliexpress
$9.06
$17.59
1/2/4/8 Channel ESP32 Wifi Bluetooth-Compatible Relay Module AC90-250V DC5-30V Smart Home Automation
Aliexpress
Free shipping
48% off
$9.06
$17.59
1/2/4/8 Channel ESP32 Wifi Bluetooth-Compatible Relay Module AC90-250V DC5-30V Smart Home Automation
Aliexpress
$16.41
4-Channel Relay Module
eBay
Free shipping
$16.41
4-Channel Relay Module
eBay
$1.68
$4.97
1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board With Optocoupler Support High And Low Level
Aliexpress
66% off
$1.68
$4.97
1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board With Optocoupler Support High And Low Level
Aliexpress
บอร์ด Relay 4ช่อง 5V Arduino Relay Module 5V 4 Channel isolation control 250V/10A
บอร์ด Relay 4ช่อง 5V Arduino Relay Module 5V 4 Channel isolati…
Sep 14, 2021
cybertice.com
Four Channel Relay Module with leds #led #ledlights #trending #viralshorts #relay #12v
0:10
Four Channel Relay Module with leds #led #ledlights #trending #vir…
2.5K views4 months ago
YouTubeCrazzy Electronics
Control Your Devices with the Industrial 4-Channel Relay Module!
Control Your Devices with the Industrial 4-Channel Relay Module!
Jul 11, 2021
dfrobot.com
Arduino Basics - Relays
15:13
Arduino Basics - Relays
142.4K viewsSep 20, 2016
YouTubeElectro-Anarchy
DIY Relay Module
4:49
DIY Relay Module
32.5K viewsAug 30, 2020
YouTubeCrazy Couple DIY
How To Wire An Automotive Relay
6:12
How To Wire An Automotive Relay
360K viewsJun 10, 2020
YouTubeHolley
Home Automation: 4 channel Solid State Relay with Arduino To control 4 bulbs or loads RJT150
14:31
Home Automation: 4 channel Solid State Relay with Arduino To contr…
26.4K viewsJan 12, 2019
YouTubeRobojax
11:00
How to use 4 channel Arduino Relay Shield RJT36
35K viewsDec 28, 2017
YouTubeRobojax
5:11
HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH …
118.1K viewsAug 6, 2018
YouTubeMYTECTUTOR
15:05
RASPBERRY PI – All About controlling Relay Boards for Hom…
157.5K viewsSep 26, 2018
YouTubeSaravanan AL
4:33
5V 1 Channel Level Trigger Optocoupler Relay Module For Ar…
122.9K viewsJun 11, 2019
YouTubeUnboxing Channel
4:41
How to use an Arduino Relay Module
175.8K viewsFeb 4, 2018
YouTubeTinker & Build
4:56
Using 5V 1 channel relay module for Arduino
308.1K viewsApr 2, 2017
YouTubeRobojax
4:06
IR REMOTE CONTROL OF A 5V 4 CHANNEL RELAY MODULE USIN…
7.1K viewsMar 25, 2020
YouTubeMYTECTUTOR
3:56
How to use KR1204 : 12v RF 4-Channel 433Mhz wireless Remote …
118.3K viewsDec 11, 2016
YouTubeqiachip.com
17:46
433MHz 12V 4CH Channel Relay RF Wireless Remote Control Switch K…
73.9K viewsMar 24, 2020
YouTubeRobojax
0:08
B4R - Testing an 8 channel relay module on Arduino UNO.
8.2K viewsMay 11, 2017
YouTubePeter Simpson
3:44
How to: Home Automation - connect 8 channel relay + Raspberry Pi
422.5K viewsAug 25, 2013
YouTubeskiwithpete
17:33
How to use 4 channel Relay to control AC load with Arduino cod…
182.9K viewsMar 27, 2018
YouTubeRobojax
11:41
Connecting a Relay Module to a Microcontroller
376.5K viewsMar 12, 2021
YouTubeBrad Henson
4:42
Sonoff 4CHPRO R3 Application & Installation Guide (4 Channel PR…
135K viewsAug 12, 2020
YouTubeCytron Technologies
4:18
How to interface 2 Channel Relay Module with Arduino - Arduino UN…
6.2K viewsApr 14, 2021
YouTubeCircuits DIY
2:51
The 4-Channel Active Low Relay Module - A Demonstration Video
37K viewsSep 8, 2012
YouTubeEngineeringShock
3:11
Tutorial: How to control LED by using relay and arduino
33.7K viewsJul 11, 2019
YouTubeMYBOTIC
11:51
How to use 2 channel relay to control AC and DC loads in Arduin…
215.8K viewsDec 26, 2017
YouTubeRobojax
7:15
How To Test Four Terminal And Five Terminal Relays
38.5K viewsAug 4, 2021
YouTubeCarsntoys
22:40
Home Automation: Control 16 channel relay with CD74HC4067 M…
66.8K viewsDec 1, 2018
YouTubeRobojax
4:38
4 channel relay module interfacing with Arduino Uno Tutorial part 2 i…
15.8K viewsJan 22, 2020
YouTubeDoit Projects
13:29
Home Automation: Using 4 Push button push-ON and push-OFF 4 r…
50.9K viewsDec 12, 2018
YouTubeRobojax
5:13
How To Wire An Automotive Relay Switch, With Diagram, 4 Pin
333.9K viewsDec 27, 2020
YouTubeWanderlost Overland
See more videos
Static thumbnail place holder

Shop Four-Channel Relay Module

Sponsored
About our ads
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
3
39% off
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
$3.03
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$3.03
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$1.90
$3.85
1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
50% off
$1.90
$3.85
1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
$3.95
$3.97
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
Aliexpress
$3.95
$3.97
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
Aliexpress
$7.19
4 Channel 12V Relay Module 250V 10A Relays For Arduino, Automation &
eBay
Free shipping
$7.19
4 Channel 12V Relay Module 250V 10A Relays For Arduino, Automation &
eBay
$10.69
5V 12V 24V 30A 4 Channel Relay Module Board High And Low Level Relay
eBay
$10.69
5V 12V 24V 30A 4 Channel Relay Module Board High And Low Level Relay
eBay
$14.99
4-Channel Relay Module
eBay
Free shipping
$14.99
4-Channel Relay Module
eBay
$5.15
5V 4--Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
$5.15
5V 4--Channel Relay Module For Arduino Pic Arm Dsp Avr Electronic
eBay
$20.99
4-Channel Relay Module
eBay
Free shipping
$20.99
4-Channel Relay Module
eBay
$3.75
$7.66
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
51% off
$3.75
$7.66
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$270.96
Taco SR504-5 4 Zone Next Generation Switching Relay, Expandable | Supplyhouse.Com
SupplyHouse.com
3
$270.96
Taco SR504-5 4 Zone Next Generation Switching Relay, Expandable | Supplyhouse.Com
SupplyHouse.com
$1.34
$1.79
DC 5V 12V 1 CH 4 Channel Relay Module Infrared IR Remote Switch Control 1/ 4 Way Self Locking Jog
Aliexpress
Free shipping
25% off
$1.34
$1.79
DC 5V 12V 1 CH 4 Channel Relay Module Infrared IR Remote Switch Control 1/ 4 Way Self Locking Jog
Aliexpress
$1.46
$2.84
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In Stock
Aliexpress
48% off
$1.46
$2.84
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In Stock
Aliexpress
$8.65
$17.49
ESP8266 Wifi 4-Channel Relay Module ESP-12F Development Board AC-DC Switching Power Supply Module
Aliexpress
50% off
$8.65
$17.49
ESP8266 Wifi 4-Channel Relay Module ESP-12F Development Board AC-DC Switching Power Supply Module
Aliexpress
$9.83
$13.64
ESP32 4 Way Relay Module AC 220V 30A ESP32E Module Onboard Supports Development Wi-Fi Bluetooth 4
Aliexpress
27% off
$9.83
$13.64
ESP32 4 Way Relay Module AC 220V 30A ESP32E Module Onboard Supports Development Wi-Fi Bluetooth 4
Aliexpress
$2.42
$3.66
4CH Tuya Wifi Smart Relay 4 Channel Wireless Switch Module 7-32V 85-250V 220V 110V 2200W RF433 10A 4
Aliexpress
Free shipping
33% off
$2.42
$3.66
4CH Tuya Wifi Smart Relay 4 Channel Wireless Switch Module 7-32V 85-250V 220V 110V 2200W RF433 10A 4
Aliexpress