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Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24V Anti-Reverse Protection for Industrial Home Automation
Limited time offer, ends 11/09
$11.99
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24V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger for Automation Control
Limited time offer, ends 11/09
$11.99
Free Shipping
16 Channel 5V Relay Module with Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Limited time offer, ends 11/09
$21.34
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5PCS SIP-1A05 Reed Switch Relay 5V SIP-1A05 Reed Relay Switch 4 Pins DC Resistance 450~550ohm Normally Open 1A Relay Module
Limited time offer, ends 11/09
$11.99
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DC 6-30V Timer Relay with LCD Display, 1 Channel Delay Controller Module, Type-C Interface, Power Off Cycle Timer
Limited time offer, ends 11/09
$11.99
Free Shipping
5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger for Automation Control
Limited time offer, ends 11/09
$11.99
Free Shipping
anicorn 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board
Limited time offer, ends 11/09
$47.97
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10Pcs RC Absorption Snubber Circuit, Loop Module, Relay Contact Protection, Electromagnetic Anti-Interference
Limited time offer, ends 11/09
$14.84
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EATON XTOMP24AC1 Overload Relay, 1NC/1NO, 0.16 A Min current, 0.24 A Max current
Limited time offer, ends 11/09
$78.58
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DC12V LED Digital Time Delay Relay Module XY-WJ01 Programmable Control Switch Timer Circuit
Limited time offer, ends 11/09
$14.89
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12V Dual Way Bluetooth Relay Module 12V 10A Wireless Smart Relay Module IoT Smart Home Phone APP Remote Control Switch
Limited time offer, ends 11/09
$11.99
Free Shipping
12V Power On Time Delay Relay Module, Adjustable Delay Timer Circuit Board, for Automation Projects
Limited time offer, ends 11/09
$11.99
Free Shipping
12V Bistable Relay Module Single Key Switch for Automotive Tuning Self-Locking One Touch Start-Stop Button
Limited time offer, ends 11/09
2PCS 24V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 24 Relay)
Limited time offer, ends 11/09
$47.97
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2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection Protection RS485 TTL Communication
Limited time offer, ends 11/09
$11.99
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Modbus-Rtu 7-24V 4 Channel Relay Module Switch Modbus RTU Switch Input Output 5V RS485 TTL Communication Anti-Reverse Connection
Limited time offer, ends 11/09
$11.99
Free Shipping
Raspberry Pi Relay Module HAT Expansion Board Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+ for Smart Home
Limited time offer, ends 11/09
$23.68
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5V Power On Time Delay Relay Module, Adjustable Delay Timer Circuit Board, for Automation Projects
Limited time offer, ends 11/09
$11.99
Free Shipping
3 Pack Relay 2 Channel Module DC12V with Isolated Optocoupler Support High and Low Level Trigger
Limited time offer, ends 11/09
$11.99
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5V Photosensitive Relay Module with LDR Photoresistor Sensor for Light Detection, Smart Home Automation DIY Projects
Limited time offer, ends 11/09
$11.99
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2PCS 12V Relay Module With Optocoupler Isolation - High and Low Level Trigger - Red Board (8 Channel)
Limited time offer, ends 11/09
$47.97
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5V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control (1 Channel)
Limited time offer, ends 11/09
$11.99
Free Shipping
5V Bistable Relay Module Single Key Switch for Automotive Tuning Self-Locking One Touch Start-Stop Button
Limited time offer, ends 11/09
$11.99
Free Shipping
5V Multi-Mode Time Delay Relay Module, Adjustable Delay Timer, for Automation Home Appliances DIY Projects
Limited time offer, ends 11/09
$11.99
Free Shipping
5V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
Limited time offer, ends 11/09
$11.99
Free Shipping
2 Pack 5V 2-Channel Relay Module with Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
Limited time offer, ends 11/09
$11.99
Free Shipping
12V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
Limited time offer, ends 11/09
$13.17
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24V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
Limited time offer, ends 11/09
$11.99
Free Shipping
24V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
Limited time offer, ends 11/09
$12.33
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5pcs SingleChannel Relay Timer Module, Delay ON Off Cycle Control, 630 V Wide Voltage, TypeC Power
Limited time offer, ends 11/09
$18.70
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1 Channel 5V Low Level Trigger Solid State Relay Module with Fuse, 1 Way 250V 2A for Industrial Control Applications
Limited time offer, ends 11/09
$11.99
Free Shipping
2 Channel 5V Low Level Trigger Solid State Relay Module with Fuse, 2 Way 250V 2A for Industrial Control Applications
Limited time offer, ends 11/09
$11.99
Free Shipping
4 Channel 5V Low Level Trigger Solid State Relay Module with Fuse, 4 Way 250V 2A for Industrial Control Applications
Limited time offer, ends 11/09
$11.99
Free Shipping
EATON XTOM009AC1 Overload Relay, 1NC/1NO, 6 A Min current, 9 A Max current
Limited time offer, ends 11/09
$81.79
Free Shipping
HW-521B 1-Channel Timer Relay Module Delay DC 6-30V Power Off Disconnect Trigger Delay Cycle Timer with LED Display Circuit On Type-C USB-C Interface, Smart Home Controller
Limited time offer, ends 11/09
$17.96
Free Shipping