4 Channel Relay Modules
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24V 4Channel Switch Remote Control 12V 4CH Relay Switch Radio Transceiver Module on E-Bay starting at $16.07
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5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED for Arduino PiC ARM AVR on E-Bay starting at $1.09
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Computer USB 4 Channel SPDT Relay Module,Board - Thermoregulator & Logger on E-Bay starting at $42.92
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PC817 4-Channel Converter Module Optocoupler Isolation Module 3.6-30V Voltage on E-Bay starting at $2.00
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12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Relay Module on E-Bay starting at $28.53
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4-Channel Relay Module with Optocoupler Low Level Triger 12V For Arduino New on E-Bay starting at $3.78
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5V 1 Channel Relay Module for Meage 2560 1280 ARM PIC AVR DSP on E-Bay starting at $1.09
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AC220V Modbus RTU 4 Channel Relay Module RS485/TTL UART 8-bit MCU MAX485 on E-Bay starting at $12.66
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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 $2.16
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1/2/4 Channel 5v OMRON SSR G3MB-202P Solid State Relay Module For Arduino on E-Bay starting at $1.09
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1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home DC 5V/12V on E-Bay starting at $10.31
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DC 12V 1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home New on E-Bay starting at $6.99
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AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board US on E-Bay starting at $16.88
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4-Kanal Relais 5V 10A mit Optokoppler für Arduino Modul Channel Relay on E-Bay starting at $7.16
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5V 4 Channel Relay Module Controller For Arduino Mega2560 UNO R3 Raspberry Pi on E-Bay starting at $4.64
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5-30V Multi-function 2 Channel 4 Way Relay Extension Module 40A Relay Controller on E-Bay starting at $29.99
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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 $1.09
Free Flat Rate Shipping Expedited: No Next Day: No kaiserburg-d Rating: 99.8% |
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1/2/4/8 Channel 5v SSR G3MB-202P Solid State Relay Module For Arduino on E-Bay starting at $1.09
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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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3V 3.3V 1-channel 2-channel 4-channel Relay Module Low Level Trigger Relay Delay on E-Bay starting at $2.38
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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 $1.51
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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 $1.51
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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 $11.26
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7~32V/AC85~250V on E-Bay starting at $14.82
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4 Channels Wireless Relay Remote Control Switch Receiver Module 433Mhz RF Relay on E-Bay starting at $10.99
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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 $6.59
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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
Free Worldwide Shipping Expedited: No Next Day: No iridescent-show Rating: 97.8% |
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1/2/4/8 Arduino Pi Channel Relay Board Module Selectable High Low 5V 12V 24V on E-Bay starting at $3.90
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4 Channel Relay Module ESP32 WiFi Wireless Remote Control 3M for Android no IOS on E-Bay starting at $19.85
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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 $11.70
Free Flat Rate Shipping Expedited: No Next Day: No luckystar666 Rating: 98.7% |
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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 $2.16
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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 $4.91
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Modbus Rtu 1/2/4 Channel 7-24V Relay Module Switch input output RS485/TTL UART on E-Bay starting at $7.93
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DC 12V 1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home on E-Bay starting at $8.63
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1/2/4 Channel 3V 3.3V Relay Module Low Level Trigger Relay For Arduino on E-Bay starting at $2.39
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7-32V/AC85-250V on E-Bay starting at $8.62
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Smart Remote Control Wireless WiFi Switch Relay Module 1/2/4CH DC7-32V/AC85-250V on E-Bay starting at $11.03
Free Flat Rate Shipping Expedited: No Next Day: No AI_Smart_Chips Rating: 99.3% |
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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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5V 1/2/4/6/8/16 Channel Relay Module Optocoupler Board LED for Arduino ARM AVR on E-Bay starting at $7.69
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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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12V 4-Channel Relay Module with Optocoupler H/L Level Triger for Arduino on E-Bay starting at $4.06
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5V 4-Channel Relay Module with Optocoupler High Low Level Trigger for Arduino on E-Bay starting at $4.77
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DC 9V 4-Channel Relay Shield 70W Optocoupler Module for Arduino MEGA2560 R3 XBEE on E-Bay starting at $5.27
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ESP8266 WIFI 4 Channels Relay Module AC/DC ESP-12F Development Board on E-Bay starting at $9.10
Free Flat Rate Shipping Expedited: No Next Day: No Satisfy Electronics Rating: 99.6% |
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12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Relay Modul on E-Bay starting at $27.99
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5V Four 4 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino NEW on E-Bay starting at $2.39
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5V 4-Channel Relay Module with Optocoupler High Low Level Trigger for Arduino on E-Bay starting at $5.37
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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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