4 Channel Relay Modules
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MSD 7566-4 Four Channel Relay Module on E-Bay starting at $131.35
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5-30V Multi-function 2 Channel 4 Way Relay Extension Module 40A Relay Controller on E-Bay starting at $28.49
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $1.04
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DC5-32V 4 Channel WiFi Wireless Delay Relay Switch APP Remote Control Module on E-Bay starting at $12.29
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GEYA 4 Channel Relay Module 1 SPDT AC/DC 5/12/24V AC230V Interface Relay Module on E-Bay starting at $20.85
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PC817 4-Channel Voltage Converter Module Optocoupler Isolation Driving Module on E-Bay starting at $2.03
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1-channel 2-channel 4-channel Relay Module 3V 3.3V Low Level Trigger Relay US on E-Bay starting at $7.99
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $1.36
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $1.36
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7~32V/AC85~250V on E-Bay starting at $13.34
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4 Channels Wireless Relay Remote Control Switch Receiver Module 433Mhz RF Relay on E-Bay starting at $9.89
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ESP8266 Wireless WIFI Relay Module 1/2/4/8/16 Channel ESP-12F AC/DC 5V-80V on E-Bay starting at $9.59
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5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino on E-Bay starting at $9.44
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5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino on E-Bay starting at $12.24
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5/12/24V 2/4/8-Channel Relay Module w/ Optocoupler H/L Level Triger for Arduino on E-Bay starting at $13.99
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12V 4/8CH Bluetooth Relay Android Mobile Remote Control Motor 5V Relay Module on E-Bay starting at $18.61
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ESP8266 ESP-01 5V/12V 2/4-Channel WiFi Relay Module For IOT Smart Home APP on E-Bay starting at $11.76
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $2.07
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1 Channel 5-30V MICRO USB 5V 2/4/8 Channel USB Control Relay Module Delay Relay on E-Bay starting at $4.70
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1/2/4 Channel 3V 3.3V Relay Module Low Level Trigger Relay For Arduino on E-Bay starting at $1.92
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1/2/4 Channel 3V 3.3V Relay Module Low Level Trigger Relay For Arduino on E-Bay starting at $2.50
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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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12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel on E-Bay starting at $5.99
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5-30V 2-Channel 4-Way Relay Module for DC Motor Loads Large Current Solar System on E-Bay starting at $29.99
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1PCS 4 Channels Relay Board Module for Arduino Raspberry Pi ARM AVR DSP PIC on E-Bay starting at $6.29
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Control 4 8-Channel Relay Module C4–DIN-8REL-E-V2 . Read description on E-Bay starting at $100.00
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5V 4-Channel Relay Module with Optocoupler High Low Level Trigger for Arduino on E-Bay starting at $4.44
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DC 9V 4-Channel Relay Shield 70W Optocoupler Module for Arduino MEGA2560 R3 XBEE on E-Bay starting at $4.90
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5V Four 4 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino NEW on E-Bay starting at $2.15
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5V 4-Channel Relay Module with Optocoupler High Low Level Trigger for Arduino on E-Bay starting at $4.98
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TLP281 3/4 Channel Optocoupler Isolation Opto-isolator High/Low Level Module on E-Bay starting at $1.00
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ESP8266 WIFI 4 Channels Relay Module AC/DC ESP-12F Development Board on E-Bay starting at $8.98
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1PCS ESP8266 WIFI 4 Channels Relay Module AC/DC ESP-12F Development Board on E-Bay starting at $8.98
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12V 4CH Switch Remote Control Relay Switch Radio 24V 4Channel Transceiver Module on E-Bay starting at $17.17
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1/2/4/6/8 Channel SSR Solid State Relay Module Low Level Relay Module DC 5V on E-Bay starting at $2.07
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Control4 C4-DIN-8RELSW-E 8-Channel Relay Switch Module on E-Bay starting at $725.00
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DC7-32V 2/4 Channel Smart Switch WiFi Wireless Relay Module Home Remote Control on E-Bay starting at $8.75
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DC5-32V 4 Channel WiFi Wireless Delay Relay Switch APP Remote Control Module on E-Bay starting at $11.71
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5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED For Arduino ARM AVR on E-Bay starting at $1.19
Free Flat Rate Shipping Expedited: No Next Day: No TxHang Electronic Rating: 99.5% |
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1PC Four channel Relay Shield 5V 4 Channel Relay Shield Module Fits For Arduino` on E-Bay starting at $8.34
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1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $0.99
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1/2/4Channel Bluetooth Relay Module DC 12V APP Control Switch IoT Smart Home New on E-Bay starting at $4.99
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Relay Module 4 Channel 30A High Low Current with Isolation Optocoupler on E-Bay starting at $20.32
Free Worldwide Shipping Expedited: No Next Day: No ananxinxin45 Rating: 98.4% |
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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino on E-Bay starting at $3.59
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1/2/4CH Smart WiFi Switch Relay Module Wireless Remote DC 7-32V/AC85-250V 433MHZ on E-Bay starting at $7.43
Free Flat Rate Shipping Expedited: No Next Day: No DiyBox Electronic Rating: 99.0% |
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7-24V Modbus Rtu 1/2/4 Channel Relay Module Switch input output RS485/TTL UART on E-Bay starting at $9.61
Free Flat Rate Shipping Expedited: No Next Day: No Czb Electronic Rating: 99.2% |
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For High Low Level Trigger 5V/9V/12V/24V 1/2/4 Channel Optocoupler Relay Module on E-Bay starting at $2.73
Free Flat Rate Shipping Expedited: No Next Day: No Czb Electronic Rating: 99.2% |
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5V 12V 1 2 4 6 8 Channel Relay Module with Optocoupler Relay Output for Arduino on E-Bay starting at $7.94
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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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Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels on E-Bay starting at $2.86
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