All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

4 channel relay arduino

(999+ products available)

2025-12-02
Factory Outlet 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> 5V 12V 24V DCRelay Module Solid State High Level SSR AVR DSP G3MB-202P <strong>Relay</strong> 250V 2 for <strong>Arduino</strong> - Product Image 1
Factory Outlet 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> 5V 12V 24V DCRelay Module Solid State High Level SSR AVR DSP G3MB-202P <strong>Relay</strong> 250V 2 for <strong>Arduino</strong> - Product Image 2
Factory Outlet 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> 5V 12V 24V DCRelay Module Solid State High Level SSR AVR DSP G3MB-202P <strong>Relay</strong> 250V 2 for <strong>Arduino</strong> - Product Image 3
Factory Outlet 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> 5V 12V 24V DCRelay Module Solid State High Level SSR AVR DSP G3MB-202P <strong>Relay</strong> 250V 2 for <strong>Arduino</strong> - Product Image 4
Factory Outlet 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> 5V 12V 24V DCRelay Module Solid State High Level SSR AVR DSP G3MB-202P <strong>Relay</strong> 250V 2 for <strong>Arduino</strong> - Product Image 5
Factory Outlet 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> 5V 12V 24V DCRelay Module Solid State High Level SSR AVR DSP G3MB-202P <strong>Relay</strong> 250V 2 for <strong>Arduino</strong> - Product Image 6

Factory Outlet 1 2 4 6 8 Channel 5V 12V 24V DCRelay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2 for Arduino

$1-6
Min. order: 10 pieces
#7115 <strong>4</strong> <strong>Channel</strong> 5V/9V/12V/24V <strong>relay</strong> with Optcoupter , each <strong>Channel</strong> can cutover high/low Level For <strong>Arduinos</strong> - Product Image 1
#7115 <strong>4</strong> <strong>Channel</strong> 5V/9V/12V/24V <strong>relay</strong> with Optcoupter , each <strong>Channel</strong> can cutover high/low Level For <strong>Arduinos</strong> - Product Image 2
#7115 <strong>4</strong> <strong>Channel</strong> 5V/9V/12V/24V <strong>relay</strong> with Optcoupter , each <strong>Channel</strong> can cutover high/low Level For <strong>Arduinos</strong> - Product Image 3
#7115 <strong>4</strong> <strong>Channel</strong> 5V/9V/12V/24V <strong>relay</strong> with Optcoupter , each <strong>Channel</strong> can cutover high/low Level For <strong>Arduinos</strong> - Product Image 4

#7115 4 Channel 5V/9V/12V/24V relay with Optcoupter , each Channel can cutover high/low Level For Arduinos

verify
$1.15-3.70
Min. order: 5 pieces
5V 12V low level trigger <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> Module interface Board Shield For PIC AVR DSP ARM MCU For <strong>Arduino</strong> - Product Image 1

5V 12V low level trigger 4 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU For Arduino

verify
$0.50-0.80
Min. order: 100 sets
5V/12V/24V <strong>Relay</strong> Module for <strong>arduino</strong> 1/2/<strong>4</strong>/6/8 <strong>Channel</strong> <strong>Relay</strong> Module Optocoupler <strong>Relay</strong> - Product Image 1
5V/12V/24V <strong>Relay</strong> Module for <strong>arduino</strong> 1/2/<strong>4</strong>/6/8 <strong>Channel</strong> <strong>Relay</strong> Module Optocoupler <strong>Relay</strong> - Product Image 2
5V/12V/24V <strong>Relay</strong> Module for <strong>arduino</strong> 1/2/<strong>4</strong>/6/8 <strong>Channel</strong> <strong>Relay</strong> Module Optocoupler <strong>Relay</strong> - Product Image 3
5V/12V/24V <strong>Relay</strong> Module for <strong>arduino</strong> 1/2/<strong>4</strong>/6/8 <strong>Channel</strong> <strong>Relay</strong> Module Optocoupler <strong>Relay</strong> - Product Image 4
5V/12V/24V <strong>Relay</strong> Module for <strong>arduino</strong> 1/2/<strong>4</strong>/6/8 <strong>Channel</strong> <strong>Relay</strong> Module Optocoupler <strong>Relay</strong> - Product Image 5
5V/12V/24V <strong>Relay</strong> Module for <strong>arduino</strong> 1/2/<strong>4</strong>/6/8 <strong>Channel</strong> <strong>Relay</strong> Module Optocoupler <strong>Relay</strong> - Product Image 6

5V/12V/24V Relay Module for arduino 1/2/4/6/8 Channel Relay Module Optocoupler Relay

$1-3
Min. order: 1 piece
<strong>4</strong> <strong>Channel</strong> 5V <strong>Relay</strong> Shield Module, Four Way <strong>Relay</strong> Control Board Expansion Board for <strong>Arduino</strong> R3 Mega 2560 - Product Image 1
<strong>4</strong> <strong>Channel</strong> 5V <strong>Relay</strong> Shield Module, Four Way <strong>Relay</strong> Control Board Expansion Board for <strong>Arduino</strong> R3 Mega 2560 - Product Image 2
<strong>4</strong> <strong>Channel</strong> 5V <strong>Relay</strong> Shield Module, Four Way <strong>Relay</strong> Control Board Expansion Board for <strong>Arduino</strong> R3 Mega 2560 - Product Image 3
<strong>4</strong> <strong>Channel</strong> 5V <strong>Relay</strong> Shield Module, Four Way <strong>Relay</strong> Control Board Expansion Board for <strong>Arduino</strong> R3 Mega 2560 - Product Image 4
<strong>4</strong> <strong>Channel</strong> 5V <strong>Relay</strong> Shield Module, Four Way <strong>Relay</strong> Control Board Expansion Board for <strong>Arduino</strong> R3 Mega 2560 - Product Image 5

4 Channel 5V Relay Shield Module, Four Way Relay Control Board Expansion Board for Arduino R3 Mega 2560

$2.50-2.80
Min. order: 10 pieces
1pcs 1 2 <strong>4</strong> 8 <strong>Channel</strong> 12V <strong>Relay</strong> Module Board Shield with Optocoupler Support High and Low Level Trigger for <strong>Arduino</strong> Red - Product Image 1
1pcs 1 2 <strong>4</strong> 8 <strong>Channel</strong> 12V <strong>Relay</strong> Module Board Shield with Optocoupler Support High and Low Level Trigger for <strong>Arduino</strong> Red - Product Image 2
1pcs 1 2 <strong>4</strong> 8 <strong>Channel</strong> 12V <strong>Relay</strong> Module Board Shield with Optocoupler Support High and Low Level Trigger for <strong>Arduino</strong> Red - Product Image 3
1pcs 1 2 <strong>4</strong> 8 <strong>Channel</strong> 12V <strong>Relay</strong> Module Board Shield with Optocoupler Support High and Low Level Trigger for <strong>Arduino</strong> Red - Product Image 4
1pcs 1 2 <strong>4</strong> 8 <strong>Channel</strong> 12V <strong>Relay</strong> Module Board Shield with Optocoupler Support High and Low Level Trigger for <strong>Arduino</strong> Red - Product Image 5
1pcs 1 2 <strong>4</strong> 8 <strong>Channel</strong> 12V <strong>Relay</strong> Module Board Shield with Optocoupler Support High and Low Level Trigger for <strong>Arduino</strong> Red - Product Image 6

1pcs 1 2 4 8 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Red

$0.20-0.60
Min. order: 5 pieces
Tuya 8 <strong>Channel</strong> WiFi/Zigbee Remote Control <strong>Relay</strong> Support <strong>4</strong> Way Circuit Status Display + <strong>4</strong> Temperature and Humidity Input Control - Product Image 1
Tuya 8 <strong>Channel</strong> WiFi/Zigbee Remote Control <strong>Relay</strong> Support <strong>4</strong> Way Circuit Status Display + <strong>4</strong> Temperature and Humidity Input Control - Product Image 2
Tuya 8 <strong>Channel</strong> WiFi/Zigbee Remote Control <strong>Relay</strong> Support <strong>4</strong> Way Circuit Status Display + <strong>4</strong> Temperature and Humidity Input Control - Product Image 3
Tuya 8 <strong>Channel</strong> WiFi/Zigbee Remote Control <strong>Relay</strong> Support <strong>4</strong> Way Circuit Status Display + <strong>4</strong> Temperature and Humidity Input Control - Product Image 4
Tuya 8 <strong>Channel</strong> WiFi/Zigbee Remote Control <strong>Relay</strong> Support <strong>4</strong> Way Circuit Status Display + <strong>4</strong> Temperature and Humidity Input Control - Product Image 5
Tuya 8 <strong>Channel</strong> WiFi/Zigbee Remote Control <strong>Relay</strong> Support <strong>4</strong> Way Circuit Status Display + <strong>4</strong> Temperature and Humidity Input Control - Product Image 6

Tuya 8 Channel WiFi/Zigbee Remote Control Relay Support 4 Way Circuit Status Display + 4 Temperature and Humidity Input Control

$13-15
Min. order: 5 pieces
5V 12V 16 <strong>Channel</strong> <strong>Relay</strong> Module Smart Expansion Board W Optical Coupler Control Wifi <strong>Relay</strong> Output 16way <strong>Relay</strong> Module for <strong>Arduino</strong> - Product Image 1
5V 12V 16 <strong>Channel</strong> <strong>Relay</strong> Module Smart Expansion Board W Optical Coupler Control Wifi <strong>Relay</strong> Output 16way <strong>Relay</strong> Module for <strong>Arduino</strong> - Product Image 2
5V 12V 16 <strong>Channel</strong> <strong>Relay</strong> Module Smart Expansion Board W Optical Coupler Control Wifi <strong>Relay</strong> Output 16way <strong>Relay</strong> Module for <strong>Arduino</strong> - Product Image 3
5V 12V 16 <strong>Channel</strong> <strong>Relay</strong> Module Smart Expansion Board W Optical Coupler Control Wifi <strong>Relay</strong> Output 16way <strong>Relay</strong> Module for <strong>Arduino</strong> - Product Image 4
5V 12V 16 <strong>Channel</strong> <strong>Relay</strong> Module Smart Expansion Board W Optical Coupler Control Wifi <strong>Relay</strong> Output 16way <strong>Relay</strong> Module for <strong>Arduino</strong> - Product Image 5
5V 12V 16 <strong>Channel</strong> <strong>Relay</strong> Module Smart Expansion Board W Optical Coupler Control Wifi <strong>Relay</strong> Output 16way <strong>Relay</strong> Module for <strong>Arduino</strong> - Product Image 6

5V 12V 16 Channel Relay Module Smart Expansion Board W Optical Coupler Control Wifi Relay Output 16way Relay Module for Arduino

$0.10-1
Min. order: 2 units

Top categories

Electronic Accessories & Supplies - Category Image
Electronic Accessories & Supplies
Power Supplies - Category Image
Power Supplies
Telecommunications - Category Image
Telecommunications
Audio Components and Products - Category Image
Audio Components and Products
Development Boards, Electronic Modules and Kits - Category Image
Development Boards, Electronic Modules and Kits
Discrete Semiconductors - Category Image
Discrete Semiconductors
Displays, Signage and Optoelectronics - Category Image
Displays, Signage and Optoelectronics
Passive Components - Category Image
Passive Components
Sensors - Category Image
Sensors
Wireless & IoT Module and Products - Category Image
Wireless & IoT Module and Products
PCB & PCBA - Category Image
PCB & PCBA
Circuit Protection - Category Image
Circuit Protection
Connectors, Terminals & Accessories - Category Image
Connectors, Terminals & Accessories
Isolators - Category Image
Isolators
RF, Microwave and RFID - Category Image
RF, Microwave and RFID
Relays - Category Image
Relays