4 Channel Relay Modules

6 Channel DC 5V Relay Module Expansion Board Optocoupler Insulation for Arduino
6 Channel DC 5V Relay Module Expansion Board Optocoupler Insulation for Arduino on E-Bay starting at $5.05

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DiyBox Electronic

Rating: 99.0%

DC 5V ESP8266 WIFI 1/2/4 Channels Relay Module ESP-12F Development Board
DC 5V ESP8266 WIFI 1/2/4 Channels Relay Module ESP-12F Development Board on E-Bay starting at $7.19

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DiyBox Electronic

Rating: 99.0%

4 Channel Relay Module ESP32 WiFi Wireless Remote Control 3M for Android no IOS
4 Channel Relay Module ESP32 WiFi Wireless Remote Control 3M for Android no IOS on E-Bay starting at $18.95

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flyfun_diymall

Rating: 99.4%

2pcs New 4 Channel 433MHz RF Wireless Receiver Module + Remote Control Board
2pcs New 4 Channel 433MHz RF Wireless Receiver Module + Remote Control Board on E-Bay starting at $11.88

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elecbuy

Rating: 95.6%

4 Channel Remote Switch Wifi Bluetooth Relay Module Built in ESP32S For Android
4 Channel Remote Switch Wifi Bluetooth Relay Module Built in ESP32S For Android on E-Bay starting at $16.99

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2015allinone

Rating: 98.8%

5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP
5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP on E-Bay starting at $4.16

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digital-factory

Rating: 99.6%

MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay Relay
MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay Relay on E-Bay starting at $1.30

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TxHang Electronic

Rating: 99.5%

1/2/4/8 Kanal 5v SSR Relais Relay Modul G3MB-202P Solid Für Arduino B3 New
1/2/4/8 Kanal 5v SSR Relais Relay Modul G3MB-202P Solid Für Arduino B3 New on E-Bay starting at $15.42

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modul_technik

Rating: 99.6%

5V 4 Channel SSR G3MB-202P Solid State Relay Module with Resistive Fuse
5V 4 Channel SSR G3MB-202P Solid State Relay Module with Resistive Fuse on E-Bay starting at $4.56

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Satisfy Electronics

Rating: 99.6%

AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board
AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board on E-Bay starting at $9.35

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TxHang Electronic

Rating: 99.5%

ESP32S Bluetooth WiFi Relay Module Switch Phone APP Controller Onboard 4 Channel
ESP32S Bluetooth WiFi Relay Module Switch Phone APP Controller Onboard 4 Channel on E-Bay starting at $17.99

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2015allinone

Rating: 98.8%

5V One 1 Channel Relay Module Board Shield  For PIC AVR DSP ARM MCU Arduino New
5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM MCU Arduino New on E-Bay starting at $1.76

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modul_technik

Rating: 99.6%

40A High Power 2-Channel 4-Way Relay Extension Module DC 5-30V Relay Controller
40A High Power 2-Channel 4-Way Relay Extension Module DC 5-30V Relay Controller on E-Bay starting at $29.99

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SZMWKJ

Rating: 99.9%

1/2/4/8 Channel Relay Board Relay Module w/Optocoupler High Low 5V 9V 12V 24V US
1/2/4/8 Channel Relay Board Relay Module w/Optocoupler High Low 5V 9V 12V 24V US on E-Bay starting at $11.29

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DiyBox Electronic

Rating: 99.0%

1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino
1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino on E-Bay starting at $1.78

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TxHang Electronic

Rating: 99.5%

5V 12V 24V 1/2/4/8 Channel Relay Board Module Arduino Raspberry Pi PIC
5V 12V 24V 1/2/4/8 Channel Relay Board Module Arduino Raspberry Pi PIC on E-Bay starting at $9.39

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Switch Electronics eBay Shop

Rating: 99.8%

5V 12V 24V 1-2-4-8 Channel Relay High Low Level Optocoupler Module Arduino PI
5V 12V 24V 1-2-4-8 Channel Relay High Low Level Optocoupler Module Arduino PI on E-Bay starting at $4.39

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umtmedia

Rating: 99.5%

5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR
5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $1.33

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modul_technik

Rating: 99.6%

5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP
5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP on E-Bay starting at $6.04

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digital-industry

Rating: 100.0%

DC 12V 4-Channel Relay Module Optocoupler For Arduino PIC ARM AVR DSP HD23L D
DC 12V 4-Channel Relay Module Optocoupler For Arduino PIC ARM AVR DSP HD23L D on E-Bay starting at $4.03

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DiyBox Electronic

Rating: 99.0%

GEYA 4 Channel Relay Module 1 SPDT AC/DC 24V Interface Relay Module DIN Rail
GEYA 4 Channel Relay Module 1 SPDT AC/DC 24V Interface Relay Module DIN Rail on E-Bay starting at $19.81

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ZHEJIANG GEYA ELECTRICAL CO.,LTD

Rating: 99.6%

Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels
Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels on E-Bay starting at $3.75

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JIEERSHI

Rating: 98.9%

5V/12V Relay Board Module Optocoupler LED for Arduino PiC ARM 1/2/4/6/8 Channel
5V/12V Relay Board Module Optocoupler LED for Arduino PiC ARM 1/2/4/6/8 Channel on E-Bay starting at $1.50

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goodshop003

Rating: 98.1%

New AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Module
New AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Module on E-Bay starting at $10.69

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modulefans

Rating: 99.5%

5V 4 Channel Relay Module Board Shield For PIC AVR DSP ARM MCU Arduino UNO R3
5V 4 Channel Relay Module Board Shield For PIC AVR DSP ARM MCU Arduino UNO R3 on E-Bay starting at $4.66

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shields-fans

Rating: 98.7%

AC DC ESP32 WIFI Bluetooth 4 Channel Relay Module ESP32-WROOM Development Board
AC DC ESP32 WIFI Bluetooth 4 Channel Relay Module ESP32-WROOM Development Board on E-Bay starting at $15.22

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shields-fans

Rating: 98.7%

5V 1/2/4/8 Channel SSR G3MB-202P Solid State Relay Module For Arduino
5V 1/2/4/8 Channel SSR G3MB-202P Solid State Relay Module For Arduino on E-Bay starting at $1.45

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kingelectronics15

Rating: 99.7%

1/2/4/8/16 Channel 12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino
1/2/4/8/16 Channel 12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino on E-Bay starting at $1.44

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luckystar666

Rating: 98.4%

ESP8266 ESP-01 5V/12V 2/4-Channel WiFi Relay Module For IOT Smart Home APP
ESP8266 ESP-01 5V/12V 2/4-Channel WiFi Relay Module For IOT Smart Home APP on E-Bay starting at $8.99

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luckystar666

Rating: 98.4%

Modbus Rtu 1/2/4 Channel 7-24V Relay Module Switch input output RS485/TTL UART
Modbus Rtu 1/2/4 Channel 7-24V Relay Module Switch input output RS485/TTL UART on E-Bay starting at $3.76

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modul_technik

Rating: 99.6%

5V 12V 24V 30A 4 Channel Relay Module Board High And Low Level Relay Module
5V 12V 24V 30A 4 Channel Relay Module Board High And Low Level Relay Module on E-Bay starting at $11.08

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TxHang Electronic

Rating: 99.5%

5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR
5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $7.43

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DiyBox Electronic

Rating: 99.0%

DC 5V ESP8266 WIFI 1/2/4 Channels Relay Module ESP-12F Development Board
DC 5V ESP8266 WIFI 1/2/4 Channels Relay Module ESP-12F Development Board on E-Bay starting at $9.88

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DiyBox Electronic

Rating: 99.0%

1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ
1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ on E-Bay starting at $13.13

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DiyBox Electronic

Rating: 99.0%

Relay 5V -  1, 2 & 4 Channel Relay Module w Optocoupler Relay Output for Arduino
Relay 5V - 1, 2 & 4 Channel Relay Module w Optocoupler Relay Output for Arduino on E-Bay starting at $3.25

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Boards And Sensors

Rating: 99.1%

5V 12V 24V 1-2-4-8 Channel Relay High Low Level Optocoupler Module Arduino PI
5V 12V 24V 1-2-4-8 Channel Relay High Low Level Optocoupler Module Arduino PI on E-Bay starting at $10.66

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umtmedia

Rating: 99.5%

12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel
12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel on E-Bay starting at $11.94

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xyz-electronic

Rating: 99.0%

4 Four Channel Relay Module DC 5V + Optocoupler For Arduino PIC ARM AVR DSP D
4 Four Channel Relay Module DC 5V + Optocoupler For Arduino PIC ARM AVR DSP D on E-Bay starting at $2.83

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DiyBox Electronic

Rating: 99.0%

5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module For High Low Level Trigger
5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module For High Low Level Trigger on E-Bay starting at $1.50

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DiyBox Electronic

Rating: 99.0%

1PCS 5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM S
1PCS 5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM S on E-Bay starting at $0.99

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Satisfy Electronics

Rating: 99.6%

12V 1/2/4/8/16 Channel Relay Module With optocoupler For AVR DSP ARM Arduino PIC
12V 1/2/4/8/16 Channel Relay Module With optocoupler For AVR DSP ARM Arduino PIC on E-Bay starting at $0.99

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Satisfy Electronics

Rating: 99.6%

2PCS 5V Four 4 Channel Relay Shield Module For PIC AVR DSP ARM MSP430  Arduino
2PCS 5V Four 4 Channel Relay Shield Module For PIC AVR DSP ARM MSP430 Arduino on E-Bay starting at $5.60

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TxHang Electronic

Rating: 99.5%

4 Channel 12V Relay Module with IR Infrared Remote Control Fernbedienung Relais
4 Channel 12V Relay Module with IR Infrared Remote Control Fernbedienung Relais on E-Bay starting at $23.88

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hermann_shopp

Rating: 99.4%

1/2/4 Channel USB Smart Switch WiFi Relay Module +433MHZ Remote Control App
1/2/4 Channel USB Smart Switch WiFi Relay Module +433MHZ Remote Control App on E-Bay starting at $6.23

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modul_technik

Rating: 99.6%

Modbus RTU  AC220V 4 Channel Relay Module RS485/TTL UART 8-bit MCU MAX485
Modbus RTU AC220V 4 Channel Relay Module RS485/TTL UART 8-bit MCU MAX485 on E-Bay starting at $12.12

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modul_technik

Rating: 99.6%

5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino
5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino on E-Bay starting at $10.94

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3/4 Channel Optocoupler Isolation Opto-isolator High/Low Level Module TLP281
3/4 Channel Optocoupler Isolation Opto-isolator High/Low Level Module TLP281 on E-Bay starting at $1.52

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TxHang Electronic

Rating: 99.5%

4 Channel Remote Switch Wifi Bluetooth Relay Module Built in ESP32S For Android
4 Channel Remote Switch Wifi Bluetooth Relay Module Built in ESP32S For Android on E-Bay starting at $19.99

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2015allinone

Rating: 98.8%

1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino
1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino on E-Bay starting at $2.85

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Deeplearnings

Rating: 99.2%

5V 12V 24V 1/2/4/8 Channel Relay Board Module Arduino Raspberry Pi PIC
5V 12V 24V 1/2/4/8 Channel Relay Board Module Arduino Raspberry Pi PIC on E-Bay starting at $4.25

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Switch Electronics eBay Shop

Rating: 99.8%


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