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Relay Modules

1 Channel Relay Module, 30A with Optocoupler, Isolation 5V Supports, High and Low Triger, （with Guide Rail）

$0.86
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36W 3A Short Distance IR Hand Sweep ON-OFF Sensor Module
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Electronic Modules

36W 3A Short Distance IR Hand Sweep ON-OFF Sensor Module

$0.75
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Relay Modules

433MHz 12V 2 Channel, Relay Module Wireless, Remote Control Switch, without Battery

$2.27
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Relay Modules

433MHz 12V 4 Channel, Relay Module Wireless, Remote Control Switch, without Battery

$3.43
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Relay Modules

5/12/24V 4CH Relay Module Programmable Trigger Delay Time Motor Positive Reversing Controller DC6-24V

$7.43
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5V 2A 8-Channel SSR G3MB-202P Solid State Relay Module (Low level Trigger)
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Electronic Modules

5V 2A 8-Channel SSR G3MB-202P Solid State Relay Module (Low level Trigger)

$5.49
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5V Dual Channel Relay Module with Optocoupler
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Electronic Modules

5V Dual Channel Relay Module with Optocoupler

Original price was: $0.71.Current price is: $0.57.
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6-30V 1-Channel Power Relay Module with Adjustable Timing Cycle
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Relay Modules

6-30V 1-Channel Power Relay Module with Adjustable Timing Cycle

Original price was: $1.08.Current price is: $0.76.
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Relay Modules

7-24V Modbus RTU 1 Channel RS232 Serial Relay Module

$2.56
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Relay Modules

7-24V Modbus RTU 2 Channel RS232 Serial Relay Module

$3.27
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Relay Modules

7-24V Modbus RTU 2, Channels Relay Module, RS485/TTL Anti-Reverse, Connection

$1.64
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7-24V Modbus RTU 4 Channel RS232 Serial Relay Module
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Electronic Modules

7-24V Modbus RTU 4 Channel RS232 Serial Relay Module

$3.72
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Relay Modules

7-24V Modbus RTU 4 Channel RS232 Serial Relay Module

$4.57
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Relay Modules

AC90-250V ESP8266, Wireless WIFI Relay, Module 4 Channel ESP-, 12F Wifi Development, Board AC/DC 5V/7-28V/5-, 80V Power Supply

$4.57
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Relay Modules

BIGTREETECH BTT Relay V1.2 Automatic Shutdown Module After Printing 3D Printer Expansion Board SKR V1.3 Delta CR10 Extruder Thunder

$9.71
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Relay Modules

CH340G USB To TTL(Serial) Converter For Arduino Nano Raspberry Pi

Original price was: $1.20.Current price is: $0.61.
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Relay Modules

CP2102(6-pin) USB 2.0 to TTL UART serial converter

Original price was: $0.60.Current price is: $0.43.
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D4184 Mosfet control Module Replacement Relay
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Relay Modules

D4184 Mosfet control Module Replacement Relay

Original price was: $0.25.Current price is: $0.18.
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DC 12V 24V 36V 48V Battery Anti Over Discharge Charging Controller Protection Board
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Electronic Modules

DC 12V 24V 36V 48V Battery Anti Over Discharge Charging Controller Protection Board

$3.50
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Relay Modules

DC 5V Bluetooth 4, Channels Relay Module, Internet Smart Remote, Control Mobile Phone, Switch Wireless Relay

$2.43
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Relay Modules

DC12V 24V Dual MOSFET LED Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board DC7-30V

$3.14
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