购买 2 relay module arduino

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$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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8
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
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$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
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$13.99
Fainwan Relay Module One Way 30A Optocoupler Isolation High Power Relay High/Low Level Trigger YYG-2(12VDC)
Amazon.com
7
$13.99
Fainwan Relay Module One Way 30A Optocoupler Isolation High Power Relay High/Low Level Trigger YYG-2(12VDC)
Amazon.com
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
25
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
$16.03
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
60
$16.03
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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$9.68
YYG-2 One Way Relay Module, High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2(12VDC)
Amazon.com
6
Free shipping
$9.68
YYG-2 One Way Relay Module, High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2(12VDC)
Amazon.com
$9.99
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
Amazon.com
13
$9.99
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
Amazon.com
$13.74
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$13.74
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$9.43
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
Amazon.com
29
$9.43
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
Amazon.com
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
367
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$17.84
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$17.84
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
3
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$9.90
YWBL-WH Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(5VDC) (1)
Amazon.com
48
$9.90
YWBL-WH Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(5VDC) (1)
Amazon.com
Step-by-Step Guide: Interface 2 Channel Relay Channels With Arduino
instructables.com
Step-by-Step Guide: Interface 2 Channel Relay Channels With Arduino
Step-by-Step Guide: Interface 2 Channel Relay Channels With Arduino: In your upcoming project, you may need to use your Arduino to control a high-voltage device, such as a lamp, fan, or household appliance. However, the Arduino, operating at 5 volts, cannot directly control these high-voltage appliances.To address t…
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How to Set Up a 5V Relay on the Arduino
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购买 2 relay module arduino

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$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
8
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
$13.99
Fainwan Relay Module One Way 30A Optocoupler Isolation High Power Relay High/Low Level Trigger YYG-2(12VDC)
Amazon.com
7
$13.99
Fainwan Relay Module One Way 30A Optocoupler Isolation High Power Relay High/Low Level Trigger YYG-2(12VDC)
Amazon.com
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
25
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
$16.03
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
60
$16.03
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$9.68
YYG-2 One Way Relay Module, High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2(12VDC)
Amazon.com
6
Free shipping
$9.68
YYG-2 One Way Relay Module, High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2(12VDC)
Amazon.com
$9.99
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
Amazon.com
13
$9.99
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
Amazon.com
$13.74
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$13.74
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$9.43
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
Amazon.com
29
$9.43
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
Amazon.com
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
367
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$17.84
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$17.84
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
3
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct