4 Channel Relay Modules
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2-Channel 4-Way Brush Motor Relay Extension Module 5-30V 40A Relay Controller on E-Bay starting at $19.99
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4 Channel DC 5V 12V 24V DIP Switch Delay Relay Module Flip-Flop Self-Locking on E-Bay starting at $7.38
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1/2/4/8Channel Relay Board Relay Module with Optocoupler High Low 5V 9V 12V 24V on E-Bay starting at $0.99
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4Pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Isolation Suppor on E-Bay starting at $14.97
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1PCS DC 12V 4-Channel Relay Module Optocoupler For Arduino PIC ARM AVR DSP CA on E-Bay starting at $2.70
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DC 9V 70W 4 Channel Relay Shield Optocoupler Module for Arduino MEGA2560 R3 XBEE on E-Bay starting at $5.80
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1/2/4/8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 5V24V on E-Bay starting at $1.09
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NEW ESP8266 WIFI 4 Channels Relay Module AC/DC ESP-12F Development Board on E-Bay starting at $8.98
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BENTLY NEVADA 3500/32 149986-02 4 CHANNEL RELAY MODULE - USA + CERTS on E-Bay starting at $557.41
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1/2/4/8 Channel DC Relay Module Support High Low Level Trigger 5V 12V 24V on E-Bay starting at $5.28
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DC 5V 4 Channel Relay Module Shield Terminal Relay Board for Arduino UNO R3 on E-Bay starting at $4.30
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DOMOTICZ LAN Ethernet 8 channels WEB Relay module with Analog Outputs 0-10V on E-Bay starting at $192.24
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1/2/4/8 Channel ESP32 WIFI Bluetooth BLE Relay Module ESP8266 Development Board on E-Bay starting at $7.92
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DC 12V 4 Channel RS232 Relay Board PC USB UART DB9 Interface Relay Module *1 on E-Bay starting at $12.60
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MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay Relay on E-Bay starting at $2.17
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Multi-function 2 Channel 4 Way Relay Extension Module 5-30V 40A Relay Controller on E-Bay starting at $18.99
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DC 5V 4 Four Channel Relay Module Optocoupler for Arduino PIC ARM AVR DSP on E-Bay starting at $2.97
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12V 4 Channel Relay Module With Optocoupler High and Low Level Trigger on E-Bay starting at $2.95
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5V 12V 24V 30A 4 Channel Relay Module High Low Level Relay Module Smart Home PLC on E-Bay starting at $11.62
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DC/AC7V-32V 2/3/4 Channel Time Relay Module APP Control Delay Cycle Timer Switch on E-Bay starting at $5.06
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👀 OPTO 22 16-CHANNEL I/O MODULE RACK W/ BRAIN BOARD & 16 G4 IDC5 INPUT RELAYS on E-Bay starting at $36.99
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DC7~32V 2/4Channel Smart Switch WiFi Wireless Relay Module Home Remote Control on E-Bay starting at $8.57
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5V 20A Relay Control Module High and Low Voltage Triggering 1-2-4-8-16 Channel on E-Bay starting at $5.05
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USB 5V 4 Channel Relay Module Smart Switch USB Control Serial Port US on E-Bay starting at $7.78
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4 Channel Relay Delay Self-locking Cycle Timing Linkage Control Module Board US on E-Bay starting at $12.34
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Remote Control Switch 4 Channel Relay Module Board With Infrared Wireless on E-Bay starting at $3.01
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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 $1.52
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5V 1/2/4/6/8/16 Channel Relay Board Module Optocoupler for Arduino PiC ARM AVRC on E-Bay starting at $2.60
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2Stks 1 Channel 5V Relay Module for Meage 2560 1280 ARM PIC AVR DSP on E-Bay starting at $2.07
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4 Channel 5V Relay Module Extension Board Shield V1.3 Compatible For Arduino on E-Bay starting at $12.64
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4/6-Channel Relay Shield Module extension board for Raspberry Pi A+/B+/2 B/3B on E-Bay starting at $13.18
Free Flat Rate Shipping Expedited: No Next Day: No gc_supermarket Rating: 97.9% |
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4 Channel SSR Solid State Relay low Trigger 5A 0-2V DC-DC Arduino Uno R3 new on E-Bay starting at $14.81
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AC/DC ESP8266 WIFI 4 Channels Relay Module ESP-12F Development Board Module on E-Bay starting at $8.45
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ESP8266 1/2/4/8/16 Channel Way Wireless WIFI Relay Module AC/DC 5V/7-28V/5-80V on E-Bay starting at $6.69
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2CH/4CH/8CH Channel Relay Module Board With Optocoupler H/L Level Triger 5V-24V on E-Bay starting at $2.13
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ESP8266 ESP-01 DC 12V 4 Channel WiFi Relay Module For IOT Phone APP Controller on E-Bay starting at $10.11
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1/2/4 Channel 5v OMRON SSR G3MB-202P Solid State Relay Module For Arduino on E-Bay starting at $0.94
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1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home 5V/12V DC on E-Bay starting at $5.35
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1/2/4channel Relay Module Low Level Trigger W/ Light Relay Output For Arduino US on E-Bay starting at $6.56
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5V 4 Channel SSR Solid State Relay Module With fuse for Arduino uno MEGA2560 R3 on E-Bay starting at $3.73
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2/4 Channel WiFi Remote Control Relay Switch Module Supports For Tuya APP System on E-Bay starting at $19.52
Free Flat Rate Shipping Expedited: No Next Day: No INSTACOS PLAY Rating: 89.5% |
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1/2/4/8 Channel Relay Board Relay Module w/Optocoupler High Low 5V 9V 12V 24V US on E-Bay starting at $5.89
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4 Channel 5V Relay Module for PIC ARM AVR DSP Arduino MSP430 TTL Logic on E-Bay starting at $4.73
Free Worldwide Shipping Expedited: No Next Day: No coolcool's Store Rating: 98.9% |
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5/9/12/24V 1/2/4 Channel Relay Module Optocoupler for Arduino PiC ARM AVR A2TM on E-Bay starting at $1.70
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Smart DC12V 4 x 1 Channel 315MHz Wireless Remote Control Relay Module 27A ANT on E-Bay starting at $19.95
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4Channel Relay Delay Self-locking Cycle Timing Linkage Control Module Board A3GU on E-Bay starting at $10.43
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ESP-12F Development Board ESP8266 Wifi 4 channel 5V 30A Smart Relay Module on E-Bay starting at $13.50
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4 Channels AC/DC ESP8266 WIFI Relay Module ESP-12F Development Board US on E-Bay starting at $15.87
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 on E-Bay starting at $3.58
Free Flat Rate Shipping Expedited: Yes Next Day: No modulesworld2022 Rating: 99.2% |
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5V 1/2/4/6/8/16 Channel Relay Module Optocoupler Board LED for Arduino ARM AVR on E-Bay starting at $2.99
Free Flat Rate Shipping Expedited: No Next Day: No modulesworld2022 Rating: 99.2% |
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