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Arduino to relay 2

(978 products available)

2025-12-05
Industry Ultrasonic Level Meter Automatic Water Level Indicator and Pump Controller Using <strong>arduino</strong> - Product Image 1
Industry Ultrasonic Level Meter Automatic Water Level Indicator and Pump Controller Using <strong>arduino</strong> - Product Image 2
Industry Ultrasonic Level Meter Automatic Water Level Indicator and Pump Controller Using <strong>arduino</strong> - Product Image 3
Industry Ultrasonic Level Meter Automatic Water Level Indicator and Pump Controller Using <strong>arduino</strong> - Product Image 4
Industry Ultrasonic Level Meter Automatic Water Level Indicator and Pump Controller Using <strong>arduino</strong> - Product Image 5
Industry Ultrasonic Level Meter Automatic Water Level Indicator and Pump Controller Using <strong>arduino</strong> - Product Image 6

Industry Ultrasonic Level Meter Automatic Water Level Indicator and Pump Controller Using arduino

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$285-300
Min. order: 1 set
#10a101 Microcontroller Development Board 1-Channel <strong>Relay</strong> Shield for <strong>Arduinos</strong> Supports AVR/51/PIC Electronic Modules - Product Image 1
#10a101 Microcontroller Development Board 1-Channel <strong>Relay</strong> Shield for <strong>Arduinos</strong> Supports AVR/51/PIC Electronic Modules - Product Image 2
#10a101 Microcontroller Development Board 1-Channel <strong>Relay</strong> Shield for <strong>Arduinos</strong> Supports AVR/51/PIC Electronic Modules - Product Image 3
#10a101 Microcontroller Development Board 1-Channel <strong>Relay</strong> Shield for <strong>Arduinos</strong> Supports AVR/51/PIC Electronic Modules - Product Image 4

#10a101 Microcontroller Development Board 1-Channel Relay Shield for Arduinos Supports AVR/51/PIC Electronic Modules

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$0.37-1.10
Min. order: 20 pieces
5V 4 Channel <strong>Relay</strong> Shield Module for UNO R3 <strong>Relay</strong> Shield Four Channel <strong>Relay</strong> Shield for <strong>arduino</strong> - Product Image 1
5V 4 Channel <strong>Relay</strong> Shield Module for UNO R3 <strong>Relay</strong> Shield Four Channel <strong>Relay</strong> Shield for <strong>arduino</strong> - Product Image 2
5V 4 Channel <strong>Relay</strong> Shield Module for UNO R3 <strong>Relay</strong> Shield Four Channel <strong>Relay</strong> Shield for <strong>arduino</strong> - Product Image 3
5V 4 Channel <strong>Relay</strong> Shield Module for UNO R3 <strong>Relay</strong> Shield Four Channel <strong>Relay</strong> Shield for <strong>arduino</strong> - Product Image 4
5V 4 Channel <strong>Relay</strong> Shield Module for UNO R3 <strong>Relay</strong> Shield Four Channel <strong>Relay</strong> Shield for <strong>arduino</strong> - Product Image 5
5V 4 Channel <strong>Relay</strong> Shield Module for UNO R3 <strong>Relay</strong> Shield Four Channel <strong>Relay</strong> Shield for <strong>arduino</strong> - Product Image 6

5V 4 Channel Relay Shield Module for UNO R3 Relay Shield Four Channel Relay Shield for arduino

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$2.60-3
Min. order: 2 pieces
5V/12V/24V 1/<strong>2</strong>/4/6/8 Channel <strong>Relay</strong> Module High/low Level Trigger Dual Optocoupler Isolation For <strong>Arduino</strong> ARM PIC AVR DSP - Product Image 1
5V/12V/24V 1/<strong>2</strong>/4/6/8 Channel <strong>Relay</strong> Module High/low Level Trigger Dual Optocoupler Isolation For <strong>Arduino</strong> ARM PIC AVR DSP - Product Image 2
5V/12V/24V 1/<strong>2</strong>/4/6/8 Channel <strong>Relay</strong> Module High/low Level Trigger Dual Optocoupler Isolation For <strong>Arduino</strong> ARM PIC AVR DSP - Product Image 3
5V/12V/24V 1/<strong>2</strong>/4/6/8 Channel <strong>Relay</strong> Module High/low Level Trigger Dual Optocoupler Isolation For <strong>Arduino</strong> ARM PIC AVR DSP - Product Image 4
5V/12V/24V 1/<strong>2</strong>/4/6/8 Channel <strong>Relay</strong> Module High/low Level Trigger Dual Optocoupler Isolation For <strong>Arduino</strong> ARM PIC AVR DSP - Product Image 5
5V/12V/24V 1/<strong>2</strong>/4/6/8 Channel <strong>Relay</strong> Module High/low Level Trigger Dual Optocoupler Isolation For <strong>Arduino</strong> ARM PIC AVR DSP - Product Image 6

5V/12V/24V 1/2/4/6/8 Channel Relay Module High/low Level Trigger Dual Optocoupler Isolation For Arduino ARM PIC AVR DSP

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$0.99-1.60
Min. order: 1 piece
Solid state <strong>relay</strong> 5V module <strong>2</strong> channel high level /low level 250V 2A.. - Product Image 1
Solid state <strong>relay</strong> 5V module <strong>2</strong> channel high level /low level 250V 2A.. - Product Image 2
Solid state <strong>relay</strong> 5V module <strong>2</strong> channel high level /low level 250V 2A.. - Product Image 3
Solid state <strong>relay</strong> 5V module <strong>2</strong> channel high level /low level 250V 2A.. - Product Image 4
Solid state <strong>relay</strong> 5V module <strong>2</strong> channel high level /low level 250V 2A.. - Product Image 5
Solid state <strong>relay</strong> 5V module <strong>2</strong> channel high level /low level 250V 2A.. - Product Image 6

Solid state relay 5V module 2 channel high level /low level 250V 2A..

$1.27-1.47
Min. order: 2 pieces
5V <strong>2</strong>-Channel <strong>Relay</strong> Module Shield for <strong>Arduino</strong> ARM PIC AVR DSP Electronic 5V 10A <strong>2</strong> Channel <strong>Relay</strong> Module - Product Image 1
5V <strong>2</strong>-Channel <strong>Relay</strong> Module Shield for <strong>Arduino</strong> ARM PIC AVR DSP Electronic 5V 10A <strong>2</strong> Channel <strong>Relay</strong> Module - Product Image 2
5V <strong>2</strong>-Channel <strong>Relay</strong> Module Shield for <strong>Arduino</strong> ARM PIC AVR DSP Electronic 5V 10A <strong>2</strong> Channel <strong>Relay</strong> Module - Product Image 3
5V <strong>2</strong>-Channel <strong>Relay</strong> Module Shield for <strong>Arduino</strong> ARM PIC AVR DSP Electronic 5V 10A <strong>2</strong> Channel <strong>Relay</strong> Module - Product Image 4
5V <strong>2</strong>-Channel <strong>Relay</strong> Module Shield for <strong>Arduino</strong> ARM PIC AVR DSP Electronic 5V 10A <strong>2</strong> Channel <strong>Relay</strong> Module - Product Image 5

5V 2-Channel Relay Module Shield for Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay Module

$0.49-0.54
Min. order: 10 pieces
CH340C <strong>to</strong> serial port module ESP8266-01/01S <strong>Relay</strong> <strong>Relay</strong> WIFI Smart Socket/Switch Module Compatible with <strong>Arduino</strong> - Product Image 1
CH340C <strong>to</strong> serial port module ESP8266-01/01S <strong>Relay</strong> <strong>Relay</strong> WIFI Smart Socket/Switch Module Compatible with <strong>Arduino</strong> - Product Image 2
CH340C <strong>to</strong> serial port module ESP8266-01/01S <strong>Relay</strong> <strong>Relay</strong> WIFI Smart Socket/Switch Module Compatible with <strong>Arduino</strong> - Product Image 3
CH340C <strong>to</strong> serial port module ESP8266-01/01S <strong>Relay</strong> <strong>Relay</strong> WIFI Smart Socket/Switch Module Compatible with <strong>Arduino</strong> - Product Image 4
CH340C <strong>to</strong> serial port module ESP8266-01/01S <strong>Relay</strong> <strong>Relay</strong> WIFI Smart Socket/Switch Module Compatible with <strong>Arduino</strong> - Product Image 5
CH340C <strong>to</strong> serial port module ESP8266-01/01S <strong>Relay</strong> <strong>Relay</strong> WIFI Smart Socket/Switch Module Compatible with <strong>Arduino</strong> - Product Image 6

CH340C to serial port module ESP8266-01/01S Relay Relay WIFI Smart Socket/Switch Module Compatible with Arduino

$0.07-0.09
Min. order: 1 pack
ESP8266 Wireless WIFI <strong>Relay</strong> Module <strong>2</strong>/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for <strong>Arduino</strong> - Product Image 1
ESP8266 Wireless WIFI <strong>Relay</strong> Module <strong>2</strong>/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for <strong>Arduino</strong> - Product Image 2
ESP8266 Wireless WIFI <strong>Relay</strong> Module <strong>2</strong>/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for <strong>Arduino</strong> - Product Image 3
ESP8266 Wireless WIFI <strong>Relay</strong> Module <strong>2</strong>/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for <strong>Arduino</strong> - Product Image 4
ESP8266 Wireless WIFI <strong>Relay</strong> Module <strong>2</strong>/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for <strong>Arduino</strong> - Product Image 5
ESP8266 Wireless WIFI <strong>Relay</strong> Module <strong>2</strong>/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for <strong>Arduino</strong> - Product Image 6

ESP8266 Wireless WIFI Relay Module 2/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for Arduino

$0.20-0.60
Min. order: 5 pieces

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