4 Channel Relay Modules
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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino Ebay.com starting at $1.77
Free Flat Rate Shipping Expedited: No Next Day: No survy2014 Rating: 99.7% |
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AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Module New Ebay.com starting at $13.97
Free Flat Rate Shipping Expedited: No Next Day: No luckystar666 Rating: 98.6% |
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5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $2.17
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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1/2/4/8 Kanal 5v SSR Relais Relay Modul G3MB-202P Solid Für Arduino B3 New Ebay.com starting at $5.13
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5V 4-Channel Relay Module with Optocoupler High Low Level Trigger for Arduino Ebay.com starting at $5.72
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5V Two 2 Channel Relay Module +Optocoupler For PIC AVR DSP ARM For Arduino Ebay.com starting at $1.66
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4pcs 5V Dual Channel 2 Relay Module Arduino Relays Switch 110V 115V 120V 220V US Ebay.com starting at $14.99
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $4.25
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ Ebay.com starting at $14.53
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $1.45
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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino Ebay.com starting at $1.53
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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4/6 Channel RPi Relay Module Expansion Board for Raspberry Pi 3 2 A+B+2B 3B US Ebay.com starting at $13.87
Free Flat Rate Shipping Expedited: No Next Day: No diy-electronic Rating: 98.0% |
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Relay 5V - 1, 2 & 4 Channel Relay Module w Optocoupler Relay Output for Arduino Ebay.com starting at $2.25
Free Flat Rate Shipping Expedited: Yes Next Day: No DoGoods Store Rating: 99.1% |
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5V 1/2/4/8 Channel Relay Board Module for Arduino Raspberry Pi ARM AVR DSP PIC Ebay.com starting at $4.40
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AC/DC ESP32 WIFI Bluetooth 4 Channel Relay Module ESP32-WROOM Development Board Ebay.com starting at $16.77
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12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel Ebay.com starting at $2.99
Free Flat Rate Shipping Expedited: No Next Day: No xyz-electronic Rating: 98.9% |
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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino Ebay.com starting at $0.99
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $2.31
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $1.46
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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1/2/4/8 Kanal 5v SSR Relais Relay Modul G3MB-202P Solid Für Arduino B3 New Ebay.com starting at $1.85
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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ESP8266 WIFI Single-channel /4 Channels Relay Module ESP-12F Development Board Ebay.com starting at $9.59
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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5V 1/2/4/6/8/16 Channel Relay Module Optocoupler Board LED for Arduino ARM AVR Ebay.com starting at $8.79
Free Flat Rate Shipping Expedited: No Next Day: No xyz-electronic Rating: 98.9% |
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5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP Ebay.com starting at $4.78
Free Worldwide Shipping Expedited: Yes Next Day: No digital-industry Rating: 99.8% |
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For High Low Level Trigger 5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module Ebay.com starting at $2.93
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For High Low Level Trigger 5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module Ebay.com starting at $6.06
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ESP8266 Wireless WIFI Relay Module 1/2/4/8/16 Channel ESP-12F AC/DC 5V-80V Ebay.com starting at $25.31
Free Flat Rate Shipping Expedited: No Next Day: No ecdiystore Rating: 99.5% |
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5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino Ebay.com starting at $12.24
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1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $4.74
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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4/6 Channel RPi Relay Module Expansion Board for Raspberry Pi 3 2 A+B+2B 3B US Ebay.com starting at $17.65
Free Flat Rate Shipping Expedited: No Next Day: No diy-electronic Rating: 98.0% |
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5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $7.14
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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1/2/4 Kanal 5v SSR Relais Relay Modul G3MB-202P Solid Für Arduino B3 Ebay.com starting at $1.85
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $6.80
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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USB 4 Channel Relay Module, Board - Automation Robotics Ebay.com starting at $31.98
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4 Channel 5V DC Relay Module Solid State High Level SSR G3MB-202P 2A for Arduino Ebay.com starting at $8.08
Shipping Calculated by Location Expedited: No Next Day: No ImportedElectronicsStore Rating: 99.6% |
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4-Channel Optic-Isolated Relay Module H/L Trigger 3.3V-5V Raspberry PI Ebay.com starting at $6.79
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Four channel Relay Shield 5V 4 Channel Relay Shield Module for Arduino Ebay.com starting at $3.38
Free Flat Rate Shipping Expedited: No Next Day: No survy2014 Rating: 99.7% |
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5V 4--Channel Relay Module for Arduino PIC ARM DSP AVR Electronic Ebay.com starting at $2.16
Free Flat Rate Shipping Expedited: No Next Day: No survy2014 Rating: 99.7% |
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $0.99
Free Flat Rate Shipping Expedited: No Next Day: No survy2014 Rating: 99.7% |
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3/4 Channel Optocoupler Isolation Opto-isolator High/Low Level Module TLP281 Ebay.com starting at $1.01
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $3.42
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $3.26
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7-32V/AC85-250V Ebay.com starting at $18.08
Free Flat Rate Shipping Expedited: No Next Day: No AI_Smart_Chips Rating: 99.3% |
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6 Channel DC 5V Relay Module Expansion Board Optocoupler Insulation for Arduino Ebay.com starting at $5.61
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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4 Channel Relay Module ESP32 WiFi Wireless Remote Control 3M for Android no IOS Ebay.com starting at $18.95
Free Worldwide Shipping Expedited: No Next Day: No flyfun_diymall Rating: 99.3% |
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2pcs New 4 Channel 433MHz RF Wireless Receiver Module + Remote Control Board Ebay.com starting at $11.88
Free Flat Rate Shipping Expedited: No Next Day: No elecbuy Rating: 96.0% |
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4 Channel Remote Switch Wifi Bluetooth Relay Module Built in ESP32S For Android Ebay.com starting at $16.99
Free Flat Rate Shipping Expedited: No Next Day: No 2015allinone Rating: 98.7% |
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DC5V 9V 12V 24V 1/2/4/8 Channel High Low Level Relay Module with Optokoppler Ebay.com starting at $1.09
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP Ebay.com starting at $4.78
Free Worldwide Shipping Expedited: Yes Next Day: No digital-factory Rating: 99.6% |
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12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel Ebay.com starting at $2.99
Free Flat Rate Shipping Expedited: No Next Day: No modulesworld2022 Rating: 99.2% |
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1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ Ebay.com starting at $14.59
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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1/2/4/8 Arduino Pi Channel Relay Board Module Selectable High Low 5V 12V 24V Ebay.com starting at $3.36
Free Flat Rate Shipping Expedited: No Next Day: No Future Mailing Services Rating: 99.9% |
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1/2/4/8 Kanal 5v SSR Relais Relay Modul G3MB-202P Solid Für Arduino B3 New Ebay.com starting at $16.17
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $1.40
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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DC 5V ESP8266 WIFI 1/2/4 Channels Relay Module ESP-12F Development Board Ebay.com starting at $7.99
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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5V 4 Channel SSR G3MB-202P Solid State Relay Module with Resistive Fuse Ebay.com starting at $4.56
Free Flat Rate Shipping Expedited: No Next Day: No Satisfy Electronics Rating: 99.7% |
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4 Channel WiFi Relay Module Self-lock Inching Smart Switch APP Remote Control Ebay.com starting at $19.87
Free Worldwide Shipping Expedited: No Next Day: No flyfun_diymall Rating: 99.3% |
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AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Ebay.com starting at $9.35
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ESP32S Bluetooth WiFi Relay Module Switch Phone APP Controller Onboard 4 Channel Ebay.com starting at $17.99
Free Worldwide Shipping Expedited: No Next Day: No 2015allinone Rating: 98.7% |
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5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM MCU Arduino New Ebay.com starting at $1.84
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40A High Power 2-Channel 4-Way Relay Extension Module DC 5-30V Relay Controller Ebay.com starting at $29.99
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MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay Relay Ebay.com starting at $1.37
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $1.87
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $1.40
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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DC 12V 4-Channel Relay Module Optocoupler For Arduino PIC ARM AVR DSP HD23L D Ebay.com starting at $4.48
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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New AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Module Ebay.com starting at $9.41
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5V 4 Channel Relay Module Board Shield For PIC AVR DSP ARM MCU Arduino UNO R3 Ebay.com starting at $4.94
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AC DC ESP32 WIFI Bluetooth 4 Channel Relay Module ESP32-WROOM Development Board Ebay.com starting at $16.12
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1/2/4/8/16 Channel 12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino Ebay.com starting at $1.44
Free Flat Rate Shipping Expedited: No Next Day: No luckystar666 Rating: 98.6% |
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ESP8266 ESP-01 5V/12V 2/4-Channel WiFi Relay Module For IOT Smart Home APP Ebay.com starting at $8.98
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DC 12V 1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home Ebay.com starting at $5.43
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5V 12V 24V 30A 4 Channel Relay Module Board High And Low Level Relay Module Ebay.com starting at $10.85
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $8.25
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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Relay 5V - 1, 2 & 4 Channel Relay Module w Optocoupler Relay Output for Arduino Ebay.com starting at $3.25
Free Flat Rate Shipping Expedited: No Next Day: No DoGoods Store Rating: 99.1% |
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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino Ebay.com starting at $1.09
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7-32V/AC85-250V Ebay.com starting at $10.90
Free Flat Rate Shipping Expedited: No Next Day: No AI_Smart_Chips Rating: 99.3% |
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12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel Ebay.com starting at $11.94
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4 Four Channel Relay Module DC 5V + Optocoupler For Arduino PIC ARM AVR DSP D Ebay.com starting at $3.15
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5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module For High Low Level Trigger Ebay.com starting at $1.67
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Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels Ebay.com starting at $3.88
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1PCS 5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM S Ebay.com starting at $0.99
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2PCS 12V ESP8266 ESP-01 4 Channel WiFi Relay Module For IOT Phone APP Controller Ebay.com starting at $18.52
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433MHZ 1/2/4 Channel USB Smart Switch WiFi Relay Module Remote Control App Ebay.com starting at $6.53
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12V 1/2/4/8/16 Channel Relay Module With optocoupler For AVR DSP ARM Arduino PIC Ebay.com starting at $0.99
Free Flat Rate Shipping Expedited: No Next Day: No Satisfy Electronics Rating: 99.7% |
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2PCS 5V Four 4 Channel Relay Shield Module For PIC AVR DSP ARM MSP430 Arduino Ebay.com starting at $5.72
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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5V 1/2/4/8 Channel SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $1.45
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1/2/4 Channel USB Smart Switch WiFi Relay Module +433MHZ Remote Control App Ebay.com starting at $6.53
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Modbus Rtu 1/2/4 Channel 7-24V Relay Module Switch input output RS485/TTL UART Ebay.com starting at $3.95
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Modbus RTU AC220V 4 Channel Relay Module RS485/TTL UART 8-bit MCU MAX485 Ebay.com starting at $12.71
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1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home DC 5V/12V Ebay.com starting at $3.99
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DC 5V ESP8266 WIFI 1/2/4 Channels Relay Module ESP-12F Development Board Ebay.com starting at $10.98
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1/2/4/8 Channel Relay Board Relay Module w/Optocoupler High Low 5V 9V 12V 24V US Ebay.com starting at $11.29
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5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino Ebay.com starting at $10.94
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1/2/4/8 Arduino Pi Channel Relay Board Module Selectable High Low 5V 12V 24V Ebay.com starting at $8.81
Free Flat Rate Shipping Expedited: No Next Day: No Future Mailing Services Rating: 99.9% |
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3/4 Channel Optocoupler Isolation Opto-isolator High/Low Level Module TLP281 Ebay.com starting at $1.52
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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4 Channel Remote Switch Wifi Bluetooth Relay Module Built in ESP32S For Android Ebay.com starting at $19.99
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1/2/4 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $2.85
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1/2/4/8 Kanal 5v SSR Relais Relay Modul G3MB-202P Solid Für Arduino B3 New Ebay.com starting at $2.64
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $2.17
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $7.14
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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12V 1-2-4-8 Channel Relay High Low Level Trigger Optocoupler Module Arduino PI Ebay.com starting at $8.45
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