购买 5V Relay Module with Optocouple

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$7.65
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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7
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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105
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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105
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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27
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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27
$7.01
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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6
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JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$8.29
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
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$8.29
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
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$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
37
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
37
$2.16
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
$2.16
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
$9.99
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
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13
$9.99
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
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13
$2.61
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
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2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
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$8.69
JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
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2
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$8.69
JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
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2
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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
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27
$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
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27
$5.87
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
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Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
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6PCS 5V Relay Board 2 Channel Relay Module With Optocoupler Support High/Low Level Trigger For
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6PCS 5V Relay Board 2 Channel Relay Module With Optocoupler Support High/Low Level Trigger For
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$0.78
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$0.78
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$7.99
DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$7.99
DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
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$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
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$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
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$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
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$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$3.08
3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
Aliexpress
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3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
Aliexpress
$9.90
YWBL-WH Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(5VDC) (1)
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55
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YWBL-WH Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(5VDC) (1)
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55
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5V 2 Channel DC 5V Relay Module High And Low Level Trigger With Optocoupler Isolation Relay Module
Aliexpress
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5V 2 Channel DC 5V Relay Module High And Low Level Trigger With Optocoupler Isolation Relay Module
Aliexpress
$1.01
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3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
Aliexpress
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$1.01
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3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
Aliexpress
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3V 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Optocoupler Isolation Relay Module
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3V 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Optocoupler Isolation Relay Module
Aliexpress
$3.45
DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation Board High Low Level
Aliexpress
$3.45
DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation Board High Low Level
Aliexpress
$1.38
1/2/4/8 Channel 5V Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In Stock For
Aliexpress
$1.38
1/2/4/8 Channel 5V Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In Stock For
Aliexpress
$3.38
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
AliExpress
$3.38
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
AliExpress
$0.47
$0.59
DC 3V 5V 12V 24V 1 Channel Relay Optocoupler Isolated Drive Control Module High Level Drive Board
Aliexpress
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DC 3V 5V 12V 24V 1 Channel Relay Optocoupler Isolated Drive Control Module High Level Drive Board
Aliexpress
$6.97
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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3
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Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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3
$3.75
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$3.75
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$1.99
DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High And Low Level Trigger
Aliexpress
$1.99
DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High And Low Level Trigger
Aliexpress
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$2.57
Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
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$2.57
Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$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
$2.67
HOT 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation
Aliexpress
$2.67
HOT 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation
Aliexpress
1CH Active H/L 5V OptoCoupler Relay Module
1CH Active H/L 5V OptoCoupler Relay Module
2020年4月8日
cytron.io
1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High Low Edge Trigger for Arduino Raspberry Pi DC 5V 12V 24V - Walmart.ca
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How to Set Up a 5V Relay on the Arduino
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Basically Jobless on Instagram: "Think your alarm is annoying? Mine is Lethal. 💀⏰ I wrote a Python script on a Raspberry Pi to detonate a literal firecracker at 7:00 AM because Apple’s alarm sound is for weak people. For the nerds asking how: 1. Raspberry Pi 4 Model B 💻 2. 5V Relay Module (GPIO Pin 17) ⚡ 3. Nichrome Ignition Wire 🔥 4. Python Library: RPi.GPIO + Tkinter Save this for your next bad idea. 💾 Is it safe? No. Does it work? I haven’t slept in 2 days."
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购买 5V Relay Module with Optocouple

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$7.65
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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7
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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7
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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105
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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105
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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27
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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27
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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6
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JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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$8.29
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
Amazon.com
$8.29
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
Amazon.com
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
37
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
37
$2.16
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
$2.16
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
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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
$2.61
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$2.61
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$4.98
$8.69
JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
Amazon.com
2
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JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
Amazon.com
2
$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
27
$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
27
$5.87
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$5.87
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$12.99
6PCS 5V Relay Board 2 Channel Relay Module With Optocoupler Support High/Low Level Trigger For
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6PCS 5V Relay Board 2 Channel Relay Module With Optocoupler Support High/Low Level Trigger For
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2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
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2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress