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4 relay module raspberry pi

(999+ products available)

Aismartlink <strong>Raspberry</strong> <strong>PI</strong> <strong>4</strong> generation 3b+ <strong>Relay</strong> expansion board 8-way <strong>relay</strong> <strong>module</strong> with isolation and anti-interference - Product Image 1
Aismartlink <strong>Raspberry</strong> <strong>PI</strong> <strong>4</strong> generation 3b+ <strong>Relay</strong> expansion board 8-way <strong>relay</strong> <strong>module</strong> with isolation and anti-interference - Product Image 2
Aismartlink <strong>Raspberry</strong> <strong>PI</strong> <strong>4</strong> generation 3b+ <strong>Relay</strong> expansion board 8-way <strong>relay</strong> <strong>module</strong> with isolation and anti-interference - Product Image 3
Aismartlink <strong>Raspberry</strong> <strong>PI</strong> <strong>4</strong> generation 3b+ <strong>Relay</strong> expansion board 8-way <strong>relay</strong> <strong>module</strong> with isolation and anti-interference - Product Image 4

Aismartlink Raspberry PI 4 generation 3b+ Relay expansion board 8-way relay module with isolation and anti-interference

$20.50-26.10
Min. order: 2 pieces
5V <strong>relay</strong> <strong>module</strong> KY-019 1 channel <strong>relay</strong> <strong>module</strong> - Product Image 1
5V <strong>relay</strong> <strong>module</strong> KY-019 1 channel <strong>relay</strong> <strong>module</strong> - Product Image 2
5V <strong>relay</strong> <strong>module</strong> KY-019 1 channel <strong>relay</strong> <strong>module</strong> - Product Image 3
5V <strong>relay</strong> <strong>module</strong> KY-019 1 channel <strong>relay</strong> <strong>module</strong> - Product Image 4
5V <strong>relay</strong> <strong>module</strong> KY-019 1 channel <strong>relay</strong> <strong>module</strong> - Product Image 5
5V <strong>relay</strong> <strong>module</strong> KY-019 1 channel <strong>relay</strong> <strong>module</strong> - Product Image 6

5V relay module KY-019 1 channel relay module

Ready to Ship
$0.21-0.23
Min. order: 10 pieces
Universal Wireless Remote Control Switch DC 12V 4CH <strong>relay</strong> Receiver <strong>Module</strong> With <strong>4</strong> channel RF Remote 433 Mhz Transmitter - Product Image 1
Universal Wireless Remote Control Switch DC 12V 4CH <strong>relay</strong> Receiver <strong>Module</strong> With <strong>4</strong> channel RF Remote 433 Mhz Transmitter - Product Image 2
Universal Wireless Remote Control Switch DC 12V 4CH <strong>relay</strong> Receiver <strong>Module</strong> With <strong>4</strong> channel RF Remote 433 Mhz Transmitter - Product Image 3

Universal Wireless Remote Control Switch DC 12V 4CH relay Receiver Module With 4 channel RF Remote 433 Mhz Transmitter

$2.40-3
Min. order: 10 pieces
2 <strong>4</strong> 8 16 channel RS485 communication <strong>relay</strong> controller <strong>module</strong> intelligent home automation monitoring and management DC - Product Image 1
2 <strong>4</strong> 8 16 channel RS485 communication <strong>relay</strong> controller <strong>module</strong> intelligent home automation monitoring and management DC - Product Image 2
2 <strong>4</strong> 8 16 channel RS485 communication <strong>relay</strong> controller <strong>module</strong> intelligent home automation monitoring and management DC - Product Image 3
2 <strong>4</strong> 8 16 channel RS485 communication <strong>relay</strong> controller <strong>module</strong> intelligent home automation monitoring and management DC - Product Image 4
2 <strong>4</strong> 8 16 channel RS485 communication <strong>relay</strong> controller <strong>module</strong> intelligent home automation monitoring and management DC - Product Image 5
2 <strong>4</strong> 8 16 channel RS485 communication <strong>relay</strong> controller <strong>module</strong> intelligent home automation monitoring and management DC - Product Image 6

2 4 8 16 channel RS485 communication relay controller module intelligent home automation monitoring and management DC

$9.89-30.33
Min. order: 5 pieces
ESP-12F ESP8266 <strong>Relay</strong> <strong>Module</strong> 10A 220V Network <strong>Relay</strong> WIFI <strong>Module</strong> Input DC 7V~30V <strong>4</strong> Layers Board TVS Input Automatic Protection - Product Image 1
ESP-12F ESP8266 <strong>Relay</strong> <strong>Module</strong> 10A 220V Network <strong>Relay</strong> WIFI <strong>Module</strong> Input DC 7V~30V <strong>4</strong> Layers Board TVS Input Automatic Protection - Product Image 2
ESP-12F ESP8266 <strong>Relay</strong> <strong>Module</strong> 10A 220V Network <strong>Relay</strong> WIFI <strong>Module</strong> Input DC 7V~30V <strong>4</strong> Layers Board TVS Input Automatic Protection - Product Image 3
ESP-12F ESP8266 <strong>Relay</strong> <strong>Module</strong> 10A 220V Network <strong>Relay</strong> WIFI <strong>Module</strong> Input DC 7V~30V <strong>4</strong> Layers Board TVS Input Automatic Protection - Product Image 4
ESP-12F ESP8266 <strong>Relay</strong> <strong>Module</strong> 10A 220V Network <strong>Relay</strong> WIFI <strong>Module</strong> Input DC 7V~30V <strong>4</strong> Layers Board TVS Input Automatic Protection - Product Image 5
ESP-12F ESP8266 <strong>Relay</strong> <strong>Module</strong> 10A 220V Network <strong>Relay</strong> WIFI <strong>Module</strong> Input DC 7V~30V <strong>4</strong> Layers Board TVS Input Automatic Protection - Product Image 6

ESP-12F ESP8266 Relay Module 10A 220V Network Relay WIFI Module Input DC 7V~30V 4 Layers Board TVS Input Automatic Protection

Ready to Ship
$2.18-2.38
Min. order: 1 piece
<strong>Raspberry</strong> <strong>Pi</strong> CM4 Dual Ethernet Expansion Board Calculation <strong>Module</strong> GPIO Backboard Four Way RS485/USB Expansion Board - Product Image 1

Raspberry Pi CM4 Dual Ethernet Expansion Board Calculation Module GPIO Backboard Four Way RS485/USB Expansion Board

$40
Min. order: 1 piece
1/2/<strong>4</strong> Channel 30A <strong>Relay</strong> 5V/12V/24V Smart Home PLC Automation Control Electronic <strong>Modules</strong> and Kits High/Low Level Kits - Product Image 1
1/2/<strong>4</strong> Channel 30A <strong>Relay</strong> 5V/12V/24V Smart Home PLC Automation Control Electronic <strong>Modules</strong> and Kits High/Low Level Kits - Product Image 2
1/2/<strong>4</strong> Channel 30A <strong>Relay</strong> 5V/12V/24V Smart Home PLC Automation Control Electronic <strong>Modules</strong> and Kits High/Low Level Kits - Product Image 3
1/2/<strong>4</strong> Channel 30A <strong>Relay</strong> 5V/12V/24V Smart Home PLC Automation Control Electronic <strong>Modules</strong> and Kits High/Low Level Kits - Product Image 4
1/2/<strong>4</strong> Channel 30A <strong>Relay</strong> 5V/12V/24V Smart Home PLC Automation Control Electronic <strong>Modules</strong> and Kits High/Low Level Kits - Product Image 5
1/2/<strong>4</strong> Channel 30A <strong>Relay</strong> 5V/12V/24V Smart Home PLC Automation Control Electronic <strong>Modules</strong> and Kits High/Low Level Kits - Product Image 6

1/2/4 Channel 30A Relay 5V/12V/24V Smart Home PLC Automation Control Electronic Modules and Kits High/Low Level Kits

$1.43-4.78
Min. order: 10 pieces
<strong>4</strong> Channel DC 5V/12V <strong>Relay</strong> <strong>Module</strong> with Optocoupler Low Level Trigger 10A/250VAC &amp; 10A 30VDC <strong>Relays</strong> Expansion Board - Product Image 1
<strong>4</strong> Channel DC 5V/12V <strong>Relay</strong> <strong>Module</strong> with Optocoupler Low Level Trigger 10A/250VAC &amp; 10A 30VDC <strong>Relays</strong> Expansion Board - Product Image 2
<strong>4</strong> Channel DC 5V/12V <strong>Relay</strong> <strong>Module</strong> with Optocoupler Low Level Trigger 10A/250VAC &amp; 10A 30VDC <strong>Relays</strong> Expansion Board - Product Image 3
<strong>4</strong> Channel DC 5V/12V <strong>Relay</strong> <strong>Module</strong> with Optocoupler Low Level Trigger 10A/250VAC &amp; 10A 30VDC <strong>Relays</strong> Expansion Board - Product Image 4
<strong>4</strong> Channel DC 5V/12V <strong>Relay</strong> <strong>Module</strong> with Optocoupler Low Level Trigger 10A/250VAC &amp; 10A 30VDC <strong>Relays</strong> Expansion Board - Product Image 5

4 Channel DC 5V/12V Relay Module with Optocoupler Low Level Trigger 10A/250VAC & 10A 30VDC Relays Expansion Board

Ready to Ship
$1-1.30
Min. order: 10 pieces

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