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2 Channel DC 12V Relay Module Solid State High and low Level Trigger 240V2A
Relay Module

2 Channel DC 12V Relay Module Solid State High and low Level Trigger 240V2A

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$12.96
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- 55%
250A 10A DC12V 1CH Channel Relay Module Low Level Active For Home Smart PLC
Relay Module

250A 10A DC12V 1CH Channel Relay Module Low Level Active For Home Smart PLC

$8.46
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- 32%
DC5V 4-Channel Android Mobile bluetooth Relay Module
Relay Module

DC5V 4-Channel Android Mobile bluetooth Relay Module

$21.86
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10pcs DC12V 10A 1CH 433MHz Wireless Relay RF Remote Control Switch Receiver Board
Relay Module

10pcs DC12V 10A 1CH 433MHz Wireless Relay RF Remote Control Switch Receiver Board

$27.92
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- 41%
3pcs DC12V 10A 1CH 433MHz Wireless Relay RF Remote Control Switch Receiver Board
Relay Module

3pcs DC12V 10A 1CH 433MHz Wireless Relay RF Remote Control Switch Receiver Board

$14.46
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DC 5V 9V 12 24V 4 Channel bluetooth Relay Android Mobile Wireless Remote Control Switch
Relay Module

DC 5V 9V 12 24V 4 Channel bluetooth Relay Android Mobile Wireless Remote Control Switch

$35.90
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- 17%
20pcs DC12V 10A 1CH 433MHz Wireless Relay RF Remote Control Switch Receiver Module
Relay Module

20pcs DC12V 10A 1CH 433MHz Wireless Relay RF Remote Control Switch Receiver Module

$51.33
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- 47%
2Pcs 5V 1 Channel Relay Module One Channel Relay Expansion Module Board
Relay Module

2Pcs 5V 1 Channel Relay Module One Channel Relay Expansion Module Board

$11.46
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- 65%
SW-520 Tilt Sensor Relay Module 12V Equipment Tilt Dump Protection Alarm Trigger Board
Relay Module

SW-520 Tilt Sensor Relay Module 12V Equipment Tilt Dump Protection Alarm Trigger Board

$5.46
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- 47%
Photosensitive Resistance Sensor With Relay Module 5V Optical Control Switch Light Detection Switch
Relay Module

Photosensitive Resistance Sensor With Relay Module 5V Optical Control Switch Light Detection Switch

$11.46
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- 65%
2Pcs 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V
Relay Module

2Pcs 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V

$5.46
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4 Channel For Pro Mini Expansion Board Diy Multi-Function Delay Relay PLC Power Timing Device
Relay Module

4 Channel For Pro Mini Expansion Board Diy Multi-Function Delay Relay PLC Power Timing Device

$28.97
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- 35%
Upgrade 12V ESP8266 WiFi Relay IoT Smart Home Phone APP Remote Control Switch
Relay Module

Upgrade 12V ESP8266 WiFi Relay IoT Smart Home Phone APP Remote Control Switch

$19.06
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- 44%
BESTEP 4 Channel 5V Relay Module Drive Board For Auduino MCU Control Board
Relay Module

BESTEP 4 Channel 5V Relay Module Drive Board For Auduino MCU Control Board

$12.96
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- 72%
Geekcreit 30V 161A Isolated MOSFET MOS Tube FET Module Replacement Relay LR7843
Relay Module

Geekcreit 30V 161A Isolated MOSFET MOS Tube FET Module Replacement Relay LR7843

$3.96
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- 51%
8 Channel Relay Module 24V with Optocoupler Isolation Relay Module For AVR 51 PIC
Relay Module

8 Channel Relay Module 24V with Optocoupler Isolation Relay Module For AVR 51 PIC

$9.96
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- 51%
1 Channel 5V Relay Module with Optocoupler Isolation Relay Board
Relay Module

1 Channel 5V Relay Module with Optocoupler Isolation Relay Board

$9.96
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- 47%
Photosensitive Resistance Sensor With Relay Module 5V Optical Control Light Tracking Switch Module
Relay Module

Photosensitive Resistance Sensor With Relay Module 5V Optical Control Light Tracking Switch Module

$11.46
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- 41%
8 Channel Relay 12V with Optocoupler Isolation Relay Module For AVR 51 PIC SCM
Relay Module

8 Channel Relay 12V with Optocoupler Isolation Relay Module For AVR 51 PIC SCM

$14.46
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- 35%
LCUS-2 Dual Channel USB Relay Module USB Intelligent Control Switch
Relay Module

LCUS-2 Dual Channel USB Relay Module USB Intelligent Control Switch

$19.06
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- 51%
BESTEP 1 Channel 24V Relay Module Optocoupler Isolation With Indicator Input Active Low
Relay Module

BESTEP 1 Channel 24V Relay Module Optocoupler Isolation With Indicator Input Active Low

$9.96
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- 72%
BESTEP 1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal
Relay Module

BESTEP 1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal

$3.96
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- 35%
5V Dual bluetooth Relay Internet Of Things Smart Home Mobile APP Remote Switch
Relay Module

5V Dual bluetooth Relay Internet Of Things Smart Home Mobile APP Remote Switch

$19.06
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- 41%
Two way Solid State Relay Module
Relay Module

Two way Solid State Relay Module

$14.86
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