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2 Channel Serial Port Relay Module DC 12V PC Computer USB RS232 DB9 RS485 UART Remote Control Switch Board for Smart Home (4)
- Model #: CLAWB0C1GK6Q6Q
- $76.59 –
- More options from $76.59 - $77.99
- Free Shipping
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Power Relay Expansion Module for Raspberry Pi, Relay Board with Dual Cooling Fans & Auto Color Changing LED, Compatible with Pi A+, 3A+, B+, 2B, 3B, 3B+, 4B
- Model #: TECH CABIN - TCH188
- $18.54 –
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8-CH Relay Module via Ethernet with Digital Input, Adopt Modbus RTU/Modbus TCP Protocol, Supports PoE Power Supply/DC Power Port/Screw Terminal/DC 7~36V Wide Range Power Input
Limited time offer, ends 08/09
- Model #: C745-Lsy715-182
- $89.39 –
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8-CH Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, Support DC 7~36V Wide Range Power Input and PoE Power Supply, with Various Isolation and Protection Circuits
Limited time offer, ends 08/09
- Model #: C5Z9-Lsy724-291
- $119.94 –
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5PCS Timer Switch Controller Board 10S-24H Adjustable Delay Relay Module for Delay Switch/Timer/Timing Lamp
Limited time offer, ends 08/09
- Model #: C745-LUOYIMAN-Lsy728-076
- $26.99 –
- Free Shipping
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Power Relay Expansion Module for Raspberry Pi, Relay Board with Dual Cooling Fans & Auto Color Changing LED, Compatible with Pi A+, 3A+, B+, 2B, 3B, 3B+, 4B
- Model #: TECH CABIN - TCH185
- $18.54 –
- Free Shipping
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8-CH Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits
Limited time offer, ends 08/09
- Model #: C5Z9-Lsy724-293
- $102.66 –
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Industrial 6-Channel RP2350 Relay Module, Onboard RS485/Pico HAT Interfaces, Compatible with Raspberry Pi Pico Hats, Expanding RTC/CAN / RS232 / LoRa/Sensor, RS485,etc. Multi Protection Circuits
Limited time offer, ends 08/09
- Model #: C5Z9-Lsy724-398
- $73.86 –
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3-CH RPi Relay Board RPi Expansion Board, Three Channel Power Relay Module Compatible with Raspberry Pi 5/4B/3B+/3B/Pi Zero W/Zero 2W/Pico/Pico W/Pico 2/Pico 2W, Loads up to 5A 250V AC or 5A 30V DC
Limited time offer, ends 08/09
- Model #: C5Z9-Lsy724-162
- $37.40 –
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MOSFET Trigger Switch Drive Module, DC 5V-36V PWM Electronic Switch Control Board, 0-20KHz Frequency Adjustment for Lamp Brightness, Motor Speed Regulation
- Model #: TECH CABIN - TCH36
- $17.69 –
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Shelly BLU Button1. Bluetooth operated Action and Scenes activation Remote Control Button for Smart Home Automation
- Brand: Shelly
- Parts: 2 Years
- Model #: BLU Button1 Blue
- $17.99 –
- $5.00 Shipping
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5V 4-Channel Relay Module with Optocoupler Isolation, 4 Way Relay Switch Board Compatible with AVR, 51, PIC Microcontroller Development Projects
- Model #: TECH CABIN - TCH262
- $18.49 –
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Development Board 4 Way Relay Module, Programmable, Resettable, DC5-60V Power Supply, for Smart House Control
Limited time offer, ends 08/16
- Model #: 636031981324
- $52.39 –
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anicorn 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board
- Model #: Kepler-C72J-0478
- $49.97 –
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2PCS 24V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 24 Relay)
- Model #: Kepler-C72J-0514
- $49.97 –
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Pinhaijing LAN Ethernet 2 Way Relay Board Delay Switch TCP/UDP Controller Module Web Server
- Model #: 652843010113
- $52.99 –
- $5.99 Shipping
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Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines
- Model #: 667372944501ate18
- $34.99 –
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Raspberry Pi Power Relay Expansion Module with Dual Cooling Fans, Auto Color Changing LED Relay Board Compatible with Raspberry Pi A+, 3A+, B+, 2B, 3B, 3B+, 4B Single Board Computers
- Model #: TECH CABIN - TCH1447
- $18.54 –
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2 Pack 12V 200 Amp Continuous Duty Relay Switch Car Starter Heavy Duty Split Charge 4 Terminal SPST Relays for Truck Boat Marine
- Compatibility/Fitment: Out-Opening, Narrow Stile, Store Front Doors
- Brand: Meterk
- Part Number: RD-200
- Model #: 091758616654
- $37.99 –
- Free Shipping
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2PCS 12V Relay Module With Optocoupler Isolation - High and Low Level Trigger - Red Board (8 Channel)
- Model #: Kepler-C72J-0523
- $49.97 –
- Free Shipping
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VAREQOY Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands via Ethernet Port to Control Relay and Various Devices
- Model #: G3F1C783-XM6151806
- $131.99 –
- Free Shipping
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DEVMO 12V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power Compatible with Ar-duino DIY Kit PiC ARM AVR
- Model #: 884945151344
- $49.78 –
- More options from $43.99 - $49.78
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Power Relay Expansion Module with Dual Cooling Fans & Auto Color Changing LED for Raspberry Pi A+, 3A+, B+, 2B, 3B, 3B+, 4B
- Model #: TECH CABIN - TCH453
- $18.54 –
- Free Shipping