4 Channel Relay Modules
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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 $2.30
Free Flat Rate Shipping Expedited: No Next Day: No shields-fans Rating: 98.7% |
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Multi-function 2 Channel 4 Way Relay Extension Module 5-30V 40A Relay Controller Ebay.com starting at $19.99
Free Flat Rate Shipping Expedited: No Next Day: No astar2014 Rating: 100.0% |
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DC/AC7V-32V 2/3/4 Channel Time Relay Module APP Control Delay Cycle Timer Switch Ebay.com starting at $5.06
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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USB 5V 4 Channel Relay Module Smart Switch USB Control Serial Port US Ebay.com starting at $8.19
Free Flat Rate Shipping Expedited: No Next Day: No diy-electronic Rating: 98.0% |
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4 Channel Relay Delay Self-locking Cycle Timing Linkage Control Module Board US Ebay.com starting at $12.99
Free Flat Rate Shipping Expedited: No Next Day: No diy-electronic Rating: 98.0% |
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NEW 4 Channel WiFi Delay Relay Switch APP Wireless Remote Control Module Ebay.com starting at $9.54
Free Flat Rate Shipping Expedited: No Next Day: No lovesell2013 Rating: 99.8% |
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Remote Control Switch 4 Channel Relay Module Board With Infrared Wireless Ebay.com starting at $3.27
Free Flat Rate Shipping Expedited: No Next Day: No lovesell2013 Rating: 99.8% |
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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 $1.51
Free Flat Rate Shipping Expedited: No Next Day: No luckystar666 Rating: 98.6% |
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5V 1/2/4/6/8/16 Channel Relay Board Module Optocoupler for Arduino PiC ARM AVRC Ebay.com starting at $2.59
Free Flat Rate Shipping Expedited: No Next Day: No luckystar666 Rating: 98.6% |
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2Stks 1 Channel 5V Relay Module for Meage 2560 1280 ARM PIC AVR DSP Ebay.com starting at $2.17
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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AC 90-250V 4 Channel Smart WiFi Switch Relay Module Mobile APP Remote Control Ebay.com starting at $13.46
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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4 Channel Programmable Digital Time Relay Timer Controller Delay Switch Module Ebay.com starting at $30.18
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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4 Channel 5V Relay Module Extension Board Shield V1.3 Compatible For Arduino Ebay.com starting at $11.85
Free Worldwide Shipping Expedited: No Next Day: No ezcar_ll Rating: 93.0% |
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4/6-Channel Relay Shield Module extension board for Raspberry Pi A+/B+/2 B/3B Ebay.com starting at $13.18
Free Flat Rate Shipping Expedited: No Next Day: No gc_supermarket Rating: 98.2% |
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4 Channel SSR Solid State Relay low Trigger 5A 0-2V DC-DC Arduino Uno R3 new Ebay.com starting at $14.81
Free Flat Rate Shipping Expedited: No Next Day: No gc_supermarket Rating: 98.2% |
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AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Module Ebay.com starting at $8.45
Free Flat Rate Shipping Expedited: No Next Day: No gotw3527 Rating: 98.9% |
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ESP8266 1/2/4/8/16 Channel Way Wireless WIFI Relay Module AC/DC 5V/7-28V/5-80V Ebay.com starting at $6.69
Free Flat Rate Shipping Expedited: Yes Next Day: No EC Buying Rating: 99.5% |
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2CH/4CH/8CH Channel Relay Module Board With Optocoupler H/L Level Triger 5V-24V Ebay.com starting at $2.13
Free Flat Rate Shipping Expedited: No Next Day: No gc_supermarket Rating: 98.2% |
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ESP8266 ESP-01 DC 12V 4 Channel WiFi Relay Module For IOT Phone APP Controller Ebay.com starting at $9.90
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home 5V/12V DC Ebay.com starting at $5.35
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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5V 4/6/8 SSR Channel Solid State Relay Module Low Level Relay Module for Arduino Ebay.com starting at $4.55
Free Flat Rate Shipping Expedited: No Next Day: No worldchips Rating: 99.2% |
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5V 4 Channel SSR Solid State Relay Module With fuse for Arduino uno MEGA2560 R3 Ebay.com starting at $3.82
Free Flat Rate Shipping Expedited: No Next Day: No worldchips Rating: 99.2% |
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1/2/4/8 Channel 5V OMRON SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $0.99
Free Flat Rate Shipping Expedited: Yes Next Day: No xyz-electronic Rating: 98.9% |
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5/9/12/24V 1/2/4 Channel Relay Module Optocoupler for Arduino PiC ARM AVR A2TM Ebay.com starting at $1.72
Free Flat Rate Shipping Expedited: No Next Day: No GC module Rating: 95.2% |
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Smart DC12V 4 x 1 Channel 315MHz Wireless Remote Control Relay Module 27A ANT Ebay.com starting at $19.95
Shipping Calculated by Location Expedited: No Next Day: No MDFLY Rating: 98.9% |
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Modbus-Rtu 1/2/4 Channel 7-24V Relay Module Switch Modbus RTU Switch RS485 TTL Ebay.com starting at $4.58
Free Flat Rate Shipping Expedited: No Next Day: No survy2014 Rating: 99.7% |
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4Channel Relay Delay Self-locking Cycle Timing Linkage Control Module Board A3GU Ebay.com starting at $10.43
Free Flat Rate Shipping Expedited: No Next Day: No gc_electronics_new Rating: 98.2% |
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DC9V 12V 24V 4 Channel Multifunction Digital Display Cycle Delay Timer Module Ebay.com starting at $24.83
Free Worldwide Shipping Expedited: No Next Day: No uafymu Rating: 96.5% |
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N4DBA06 8 Channels Analog Digital IO Module RS485 Modbus Rtu Protocol DIN Rail Ebay.com starting at $15.38
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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4 Channels AC/DC ESP8266 WIFI Relay Module ESP-12F Development Board US Ebay.com starting at $16.88
Free Worldwide Shipping Expedited: No Next Day: No modulesworld2022 Rating: 99.2% |
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DC 5V/12V 1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home Ebay.com starting at $3.58
Free Flat Rate Shipping Expedited: Yes Next Day: No modulesworld2022 Rating: 99.2% |
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5V 1/2/4/8/16 Channel Relay Board Module Optocoupler for Arduino PiC ARM AVRC Ebay.com starting at $1.09
Free Flat Rate Shipping Expedited: No Next Day: No Lmu-Arduino Rating: 99.8% |
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1/2/4/8 Channel Relay Board Relay Module Optocoupler High Low 5V 9V 12V 24V USA Ebay.com starting at $5.88
Free Worldwide Shipping Expedited: No Next Day: No modulesworld2022 Rating: 99.2% |
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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 $7.16
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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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 $17.34
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module For High Low Level Trigger Ebay.com starting at $6.67
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module For High Low Level Trigger Ebay.com starting at $3.31
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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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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1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ Ebay.com starting at $10.55
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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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 $5.89
Free Worldwide Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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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
Free Worldwide Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 98.7% |
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7~32V/AC85~250V Ebay.com starting at $8.39
Free Flat Rate Shipping Expedited: No Next Day: No Czb Electronic Rating: 99.0% |
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7~32V/AC85~250V Ebay.com starting at $10.79
Free Flat Rate Shipping Expedited: No Next Day: No Czb Electronic Rating: 99.0% |
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GEYA 12/24V 2/4/6/8/16 Channel Omron Relay Module & Fuse Protect for PLC SPDT Ebay.com starting at $14.80
Free Flat Rate Shipping Expedited: No Next Day: No GEYA-ELECTRIC DE Rating: 99.6% |
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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 $14.06
Free Flat Rate Shipping Expedited: No Next Day: No ecdiystore Rating: 99.5% |
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5V 12V 24V 1/2/4/8 Channel High/Low Level Relay Board Module For Arduino Pi PIC Ebay.com starting at $2.90
Free Flat Rate Shipping Expedited: No Next Day: No Happy Parts AU Rating: 99.1% |
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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 $3.58
Free Flat Rate Shipping Expedited: No Next Day: No Czb Electronic Rating: 99.0% |
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12V 1/2/4/8/16 Channel Relay Module With optocoupler PIC AVR DSP ARM For Arduino Ebay.com starting at $14.26
Free Flat Rate Shipping Expedited: No Next Day: No Czb Electronic Rating: 99.0% |
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5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino Ebay.com starting at $5.94
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5/12/24V 2/4/8-Channel Relay Module w/ Optocoupler H/L Level Triger for Arduino Ebay.com starting at $9.09
Free Worldwide Shipping Expedited: No Next Day: No iridescent-show Rating: 97.3% |
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Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels Ebay.com starting at $2.26
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Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels Ebay.com starting at $4.06
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Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels Ebay.com starting at $4.36
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Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels Ebay.com starting at $6.16
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Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels Ebay.com starting at $6.26
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1/2/4/8 Arduino Pi Channel Relay Board Module Selectable High Low 5V 12V 24V Ebay.com starting at $9.07
Free Flat Rate Shipping Expedited: No Next Day: No Future Mailing Services Rating: 99.9% |
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1/2/4/8 Arduino Pi Channel Relay Board Module Selectable High Low 5V 12V 24V Ebay.com starting at $14.27
Free Flat Rate Shipping Expedited: No Next Day: No Future Mailing Services Rating: 99.9% |
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Denkovi 4-channel USB Relay Board Module Controller for Automation Robotics - v2 Ebay.com starting at $29.94
Free Flat Rate Shipping Expedited: No Next Day: No DAEStore Rating: 100.0% |
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12V 4Channel Wireless Remote Switch Relay Control Transeiver Switch 4 CH Module Ebay.com starting at $17.69
Free Flat Rate Shipping Expedited: No Next Day: No mangooddigital Rating: 97.7% |
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4 Channel Relay Module ESP32 WiFi Wireless Remote Control 3M for Android no IOS Ebay.com starting at $23.98
Free Worldwide Shipping Expedited: No Next Day: No flyfun_diymall Rating: 99.3% |
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433MHZ 1/2/4 Channel USB Smart Switch WiFi Relay Module Remote Control App Ebay.com starting at $6.53
Free Flat Rate Shipping Expedited: No Next Day: No supermall9527 Rating: 99.6% |
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433MHZ 1/2/4 Channel USB Smart Switch WiFi Relay Module Remote Control App Ebay.com starting at $8.71
Free Flat Rate Shipping Expedited: No Next Day: No supermall9527 Rating: 99.6% |
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Smart Wifi Relay Switch Module DC 7-32V 4-Channels Relay for Tuya Alexa Google Ebay.com starting at $10.89
Free Flat Rate Shipping Expedited: No Next Day: No supermall9527 Rating: 99.6% |
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DC 5V SSR Solid State Relay Module Low Level Relay Module 1/2/4/6/8 Channel Ebay.com starting at $3.50
Free Flat Rate Shipping Expedited: No Next Day: No supermall9527 Rating: 99.6% |
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1/2/4/8/16 CH 5V 20A Relay Control Module Supports High & Low Voltage Triggering Ebay.com starting at $7.68
Free Flat Rate Shipping Expedited: No Next Day: No shields-fans Rating: 98.7% |
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3V 3.3V 1-channel 2-channel 4-channel Relay Module Low Level Trigger Relay DC Ebay.com starting at $5.81
Free Flat Rate Shipping Expedited: No Next Day: No shields-fans 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 $1.29
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.4% |
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1PCS 5V 1/2/4/8 Channel SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $1.45
Free Flat Rate Shipping Expedited: No Next Day: No survy2014 Rating: 99.7% |
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1PCS 5V 1/2/4/8 Channel SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $11.80
Free Flat Rate Shipping Expedited: No Next Day: No survy2014 Rating: 99.7% |
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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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1-4CH 5V12V Flip-Flop Bistable Self-locking Relay Module Trigger Switch board Ebay.com starting at $3.17
Free Flat Rate Shipping Expedited: No Next Day: No arduniowirelessexpert Rating: 100.0% |
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1-4CH 5V12V Flip-Flop Bistable Self-locking Relay Module Trigger Switch board Ebay.com starting at $3.97
Free Flat Rate Shipping Expedited: No Next Day: No arduniowirelessexpert Rating: 100.0% |
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1-4CH 5V12V Flip-Flop Bistable Self-locking Relay Module Trigger Switch board Ebay.com starting at $7.97
Free Flat Rate Shipping Expedited: No Next Day: No arduniowirelessexpert Rating: 100.0% |
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2CH/4CH/8CH Channel Relay Module Board With Optocoupler H/L Level Triger 5V-24V Ebay.com starting at $2.30
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: No Next Day: No DoGoods Store Rating: 99.1% |
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1/4/8 CH 5V/12V/24V High/Low Level Trigger AC Solid State Relay Module AC240V2A Ebay.com starting at $22.00
Free Flat Rate Shipping Expedited: No Next Day: No superiorbuy2014 Rating: 99.7% |
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1/4/8 CH 5V/12V/24V High/Low Level Trigger AC Solid State Relay Module AC240V2A Ebay.com starting at $22.00
Free Flat Rate Shipping Expedited: No Next Day: No superiorbuy2014 Rating: 99.7% |
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12V 4 Channel Auto RF Wireless Remote Control Switch Module Relay 315MHz/433MHz Ebay.com starting at $16.34
Free Flat Rate Shipping Expedited: No Next Day: No hot2018 Rating: 100.0% |
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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 $3.90
Free Flat Rate Shipping Expedited: No Next Day: No luckystar666 Rating: 98.6% |
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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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1/2/4/8/16 Channel 12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino Ebay.com starting at $7.42
Free Flat Rate Shipping Expedited: No Next Day: No luckystar666 Rating: 98.6% |
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1PCS 5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM L Ebay.com starting at $4.79
Free Flat Rate Shipping Expedited: No Next Day: No lovesell2013 Rating: 99.8% |
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AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Module New Ebay.com starting at $9.09
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 for Arduino Raspberry Pi ARM AVR DSP PIC Ebay.com starting at $5.44
Free Flat Rate Shipping Expedited: No Next Day: Yes Switch Electronics eBay Shop Rating: 99.8% |
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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 $1.46
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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DC7-30V/5V ESP8266 WIFI 2/4 Channels Relay Module ESP-12F Development Board Ebay.com starting at $5.95
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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DC 7-32V 2/4 Channel Smart Switch WiFi Wireless Relay Module Home Remote Control Ebay.com starting at $9.80
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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DC5V 9V 12V 24V 1/2/4/8 Channel High Low Level Relay Module with Optokoppler Ebay.com starting at $4.19
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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DC5V 9V 12V 24V 1/2/4/8 Channel High Low Level Relay Module with Optokoppler Ebay.com starting at $8.71
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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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
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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Modbus Rtu 1/2/4 Channel 7-24V Relay Module Switch input output RS485/TTL UART Ebay.com starting at $5.44
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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DC 12V 1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home Ebay.com starting at $7.03
Free Flat Rate Shipping Expedited: No Next Day: No SenseCore Rating: 99.5% |
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1/2/4CH DC7-32V/AC85-250V Smart Remote Control Wireless WiFi Switch Relay Module Ebay.com starting at $7.62
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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1/2/4CH DC7-32V/AC85-250V Smart Remote Control Wireless WiFi Switch Relay Module Ebay.com starting at $15.25
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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Ewelink AC DC7-32V 2/4 Way Intelligent Bluetooth WIFI Relay Switch Module Type-C Ebay.com starting at $6.53
Free Flat Rate Shipping Expedited: No Next Day: No modul_technik Rating: 99.5% |
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5V 12V 1-4CH Flip-Flop Bistable Self-locking Relay Module Trigger Switch Board Ebay.com starting at $2.99
Free Flat Rate Shipping Expedited: No Next Day: No RF Wireless Electronics Technology Rating: 99.4% |
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5V 12V 1-4CH Flip-Flop Bistable Self-locking Relay Module Trigger Switch Board Ebay.com starting at $4.99
Free Flat Rate Shipping Expedited: No Next Day: No RF Wireless Electronics Technology Rating: 99.4% |
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1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ Ebay.com starting at $13.45
Free Worldwide Shipping Expedited: No Next Day: No sunnylives Rating: 97.8% |
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1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ Ebay.com starting at $14.93
Free Worldwide Shipping Expedited: No Next Day: No sunnylives Rating: 97.8% |
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1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ Ebay.com starting at $16.19
Free Worldwide Shipping Expedited: No Next Day: No sunnylives Rating: 97.8% |
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