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two 2 channel relay module 30A with optocoupler isolation 5V supports high and low Triger trigger for Smart home
- Model #: Y21C-1488
- $14.29 –
- Free Shipping
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2.1 Channel Amplifier Board Mini Audio Parts Module 1.6mm Thickness l Subwoofer DIY Kit Relay Resistor
- Model #: yu-hz910
- $14.92 –
- Free Shipping
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VEVOR Dual Battery Isolator, 12V 300 Amp, Manual and Automatic VSR Voltage Sensitive Relay with LCD Screen, Smart Battery Isolator for Lithium & Lead-Acid Batteries, for Car Truck RV UTV ATV Boat
- Model #: SDCGLJDQDJQS8Q4OL001V9
- $52.00 –
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Relay Compatible Withleer 35A Potential Relay Forrefrigeration Universal Manufacturer Relay Starter Relay
- Model #: INIM-540
- $18.67 –
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AC 120V 220V Time Delay Relay Power On Delay OFF Switch 1-480Min Adjustable Delay Power OFF Home Automation Controller
- Model #: Y21C-361
- $21.13 –
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ESP8266 ESP01S 5V WiFi Relay Module Smart Home Remote Control Switch for Phone APP Wireless WIFI Module
- Model #: Y21C-1321
- $11.10 –
- Free Shipping
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4 channel 5v relay shield module, Four channel relay control board relay expansion board for For UNO R3 mega 2560
- Model #: Y21C-1043
- $13.69 –
- Free Shipping
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Wireless 433Mhz Remote Control Switch AC 85-256V 2CH Relay Receiver Module For Lighting, Curtains, For Garage Doors
- Model #: INIM-483
- $17.62 –
- Free Shipping
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433Mhz Wireless Remote Control DC 12V 4 Channel 4-Button Relay Switch For DIY Installations Project
- Model #: INIM-728
- $21.96 –
- Free Shipping
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Universal 433Mhz AC 85V ~ 250V 110V 220V Relay 1CH Wireless Remote Control Switch Transmitter Receiver Module RF Remote Controls
- Model #: INIM-543
- $18.69 –
- Free Shipping
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3X On Off Twin Timer Relay Knob Control Time Switch ATDV-YC 6S-60M Relay Board AC 110/220V Electrical Access(AC110/220V)
- Model #: INIM-1239
- $38.58 –
- Free Shipping
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10X AC 220V 30A 1CH 433Mhz Wireless Remote Control Switch RF Relay Receiver + Off/On Transmitter
- Model #: K-DKF987
- $62.57 –
- Free Shipping
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1CH Relay Receiver for Universal Garage Control & Electrical Device of LED, Motor & Pump, RF Switch Remote Control AC 85~220V
- Model #: Y21C-1635
- $13.91 –
- Free Shipping
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For RC Signal Relay Module PWM/PPM/SBUS/CRSF Universal Input Voltage 3V-12V Electronic Switch Module For RC Car Boat
- Model #: INIM-415
- $15.87 –
- Free Shipping
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ATP-Power Relay Board Expansion Module with Dual Cooling Fan Auto Color Changing LED for A+ 3A+ B+ 2B 3B 3B+ 4B
- Model #: Y21C-509
- $19.36 –
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433Mhz Wireless Remote Control Switch RF Relay 12V Remote Control Switch For Garage Door Motor Light Control
- Model #: INIM-466
- $17.15 –
- Free Shipping
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DC5-80V Power Supply ESP8266 WiFi Single-Channel Relay Module ESP-12F Development Board
- Model #: Y21C-503
- $16.69 –
- Free Shipping
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DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch For Motor Garage
- Model #: Y21C-1286
- $21.82 –
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DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch For Motor Garage
- Model #: Y21C-1057
- $21.82 –
- Free Shipping
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4CH USB Relay Module With Case 12V 30A USB-C Relay Module USB-Computer Serial Port ligent Control Switch
- Model #: INIM-921
- $25.53 –
- Free Shipping
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Din Rail Circuit Breaker Relay Switch Tuya Over Under Voltage Protector For Google For Home Alexa
- Model #: Y21C-1226
- $23.42 –
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12V Time Delay Relay Module Car Start Delay Switch with Optocoupler Signal Trigger Time Adjustable
- Model #: Y21C-1798
- $11.64 –
- Free Shipping
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2 Channel Relay Module For Bluetooth 4.0 BLE for Android Phone IOT
- Model #: Y21C-1866
- $21.96 –
- Free Shipping
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Relay Module for with Optocoupler Relay Output 1 2 4 6 8 Way, 5V 12V 1 2 4 6 8 Channel, In Stock
- Model #: Y21C-1358
- $10.66 –
- Free Shipping
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DC 12V 24V Dual MOS LED Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module DIY
- Model #: Y21C-1271
- $11.56 –
- Free Shipping
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Tuya Switch 30A Remote Control Automation Module APP Remote Control DC12-76V Relay High Power
- Model #: Y21C-844
- $23.54 –
- Free Shipping
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5V USB Relay 1 Channel Programmable Computer Control For Smart Home
- Model #: Y21C-1025
- $16.43 –
- Free Shipping
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1 channel relay module high level effective expansion board single-chip microcomputer expansion relay 10A current
- Model #: Y21C-1717
- $11.21 –
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DC 12V Rain water sensor module + Relay Control Module for robot kit
- Model #: Y21C-1276
- $12.00 –
- Free Shipping
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- $11.08 –
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MOS LED Digital Time Delay Relay Trigger DC 12V 24V Dual Way High Power Switch Circuit Board Timing Control Module
- Model #: Y21C-762
- $19.49 –
- Free Shipping
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USB Relay Module USB Intelligent Control Switch USB Switch For LCUS-1 Type Electronic Converter
- Model #: Y21C-899
- $13.12 –
- Free Shipping
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5X GRV8-04 M460 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection Voltage Control Relay
- Model #: K-DKF1042
- $66.27 –
- Free Shipping
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24V 500A DC Relay Large Current Relay Portable Heavy Current Relay Cells Isolator for Construction Machinery Systems
- Model #: 2512ADD8D1545
- $42.68 –
- Free Shipping