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Arduino to relay 2

(918 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
1-channel 5V 12V 24V <strong>Relays</strong> 12v Module with Optocoupler Isolation Shield Dsp Electronic 1/ <strong>2</strong>/ 4 / 8 Channel <strong>Relay</strong> Module - Product Image 1
1-channel 5V 12V 24V <strong>Relays</strong> 12v Module with Optocoupler Isolation Shield Dsp Electronic 1/ <strong>2</strong>/ 4 / 8 Channel <strong>Relay</strong> Module - Product Image 2

1-channel 5V 12V 24V Relays 12v Module with Optocoupler Isolation Shield Dsp Electronic 1/ 2/ 4 / 8 Channel Relay Module

$0.45-0.95
Min. order: 1 piece
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 1
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 2
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 3
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 4
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 5
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 6

Raspberry Pi Expansion Board Power Relay 8-Ch Relays 2-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C

$18-30
Min. order: 3 pieces
USB <strong>relay</strong> <strong>2</strong>-way 5v PC intelligent drive control board switch Drive free USB computer control <strong>relay</strong> module - Product Image 1
USB <strong>relay</strong> <strong>2</strong>-way 5v PC intelligent drive control board switch Drive free USB computer control <strong>relay</strong> module - Product Image 2
USB <strong>relay</strong> <strong>2</strong>-way 5v PC intelligent drive control board switch Drive free USB computer control <strong>relay</strong> module - Product Image 3
USB <strong>relay</strong> <strong>2</strong>-way 5v PC intelligent drive control board switch Drive free USB computer control <strong>relay</strong> module - Product Image 4
USB <strong>relay</strong> <strong>2</strong>-way 5v PC intelligent drive control board switch Drive free USB computer control <strong>relay</strong> module - Product Image 5
USB <strong>relay</strong> <strong>2</strong>-way 5v PC intelligent drive control board switch Drive free USB computer control <strong>relay</strong> module - Product Image 6

USB relay 2-way 5v PC intelligent drive control board switch Drive free USB computer control relay module

$2.50-3
Min. order: 1 piece
MY2F AC220/240 240V 5A Two Sets of Conversion: 2C (DPDT-Conversion) Power <strong>Relays</strong> ROHS - Product Image 1
MY2F AC220/240 240V 5A Two Sets of Conversion: 2C (DPDT-Conversion) Power <strong>Relays</strong> ROHS - Product Image 2
MY2F AC220/240 240V 5A Two Sets of Conversion: 2C (DPDT-Conversion) Power <strong>Relays</strong> ROHS - Product Image 3
MY2F AC220/240 240V 5A Two Sets of Conversion: 2C (DPDT-Conversion) Power <strong>Relays</strong> ROHS - Product Image 4
MY2F AC220/240 240V 5A Two Sets of Conversion: 2C (DPDT-Conversion) Power <strong>Relays</strong> ROHS - Product Image 5
MY2F AC220/240 240V 5A Two Sets of Conversion: 2C (DPDT-Conversion) Power <strong>Relays</strong> ROHS - Product Image 6

MY2F AC220/240 240V 5A Two Sets of Conversion: 2C (DPDT-Conversion) Power Relays ROHS

Ready to Ship
$7.84
Min. order: 5 pieces
ACEBOTT OEM 10A 250VAC/10A 24VDC Digital Signal 5V High Level Electronic Component 1 Channel 5V <strong>Relay</strong> Board Module for <strong>Arduino</strong> - Product Image 1
ACEBOTT OEM 10A 250VAC/10A 24VDC Digital Signal 5V High Level Electronic Component 1 Channel 5V <strong>Relay</strong> Board Module for <strong>Arduino</strong> - Product Image 2
ACEBOTT OEM 10A 250VAC/10A 24VDC Digital Signal 5V High Level Electronic Component 1 Channel 5V <strong>Relay</strong> Board Module for <strong>Arduino</strong> - Product Image 3
ACEBOTT OEM 10A 250VAC/10A 24VDC Digital Signal 5V High Level Electronic Component 1 Channel 5V <strong>Relay</strong> Board Module for <strong>Arduino</strong> - Product Image 4
ACEBOTT OEM 10A 250VAC/10A 24VDC Digital Signal 5V High Level Electronic Component 1 Channel 5V <strong>Relay</strong> Board Module for <strong>Arduino</strong> - Product Image 5
ACEBOTT OEM 10A 250VAC/10A 24VDC Digital Signal 5V High Level Electronic Component 1 Channel 5V <strong>Relay</strong> Board Module for <strong>Arduino</strong> - Product Image 6

ACEBOTT OEM 10A 250VAC/10A 24VDC Digital Signal 5V High Level Electronic Component 1 Channel 5V Relay Board Module for Arduino

$1.19-1.25
Min. order: 1 piece
5v <strong>Relay</strong> 1 <strong>2</strong> 4 6 8 12 Channel <strong>Relay</strong> Module With Optocoupler 12v 24v <strong>Relay</strong> Output isolation Low level For Arduin Pcba Board - Product Image 1
5v <strong>Relay</strong> 1 <strong>2</strong> 4 6 8 12 Channel <strong>Relay</strong> Module With Optocoupler 12v 24v <strong>Relay</strong> Output isolation Low level For Arduin Pcba Board - Product Image 2
5v <strong>Relay</strong> 1 <strong>2</strong> 4 6 8 12 Channel <strong>Relay</strong> Module With Optocoupler 12v 24v <strong>Relay</strong> Output isolation Low level For Arduin Pcba Board - Product Image 3
5v <strong>Relay</strong> 1 <strong>2</strong> 4 6 8 12 Channel <strong>Relay</strong> Module With Optocoupler 12v 24v <strong>Relay</strong> Output isolation Low level For Arduin Pcba Board - Product Image 4
5v <strong>Relay</strong> 1 <strong>2</strong> 4 6 8 12 Channel <strong>Relay</strong> Module With Optocoupler 12v 24v <strong>Relay</strong> Output isolation Low level For Arduin Pcba Board - Product Image 5
5v <strong>Relay</strong> 1 <strong>2</strong> 4 6 8 12 Channel <strong>Relay</strong> Module With Optocoupler 12v 24v <strong>Relay</strong> Output isolation Low level For Arduin Pcba Board - Product Image 6

5v Relay 1 2 4 6 8 12 Channel Relay Module With Optocoupler 12v 24v Relay Output isolation Low level For Arduin Pcba Board

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$0.48-4.52
Min. order: 1 piece
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 1
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 2
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 3
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 4
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 5
Raspberry Pi Expansion Board Power <strong>Relay</strong> 8-Ch <strong>Relays</strong> <strong>2</strong>-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C - Product Image 6

Raspberry Pi Expansion Board Power Relay 8-Ch Relays 2-CH Triac HAT Module for Raspberry Pi Integrated MCU UART / I2C

$18-30
Min. order: 3 pieces

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