购买 Arduino Relay Multiple

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$1.37
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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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Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
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High Level Trigger Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board
Aliexpress
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High Level Trigger Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$2.30
$2.35
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$4.32
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
Aliexpress
$4.32
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
Aliexpress
$6.30
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$6.30
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
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$11.52
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
Aliexpress
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5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
Aliexpress
$21.00
$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
Free shipping
$21.00
$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
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$6.54
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
折扣 49%
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1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
$0.55
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
Free shipping
$0.55
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$27.16
$37.20
ESP32 16 Way Relay Module Development Board DC 5V-12V For Smart Home ESP32-WROOM Secondary
Aliexpress
Free shipping
折扣 26%
$27.16
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ESP32 16 Way Relay Module Development Board DC 5V-12V For Smart Home ESP32-WROOM Secondary
Aliexpress
$2.18
$2.29
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
$2.18
$2.29
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
$3.49
$5.74
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
Aliexpress
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4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
Aliexpress
$17.50
Relay Module 6 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low
Aliexpress
Free shipping
$17.50
Relay Module 6 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low
Aliexpress
$12.68
$20.87
Relay Trigger Delay Board Module DIY YF-7 Multifunctional Dual-Channel Delay Relay Module Pulse
Aliexpress
Free shipping
折扣 39%
$12.68
$20.87
Relay Trigger Delay Board Module DIY YF-7 Multifunctional Dual-Channel Delay Relay Module Pulse
Aliexpress
$1.70
$1.71
DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$1.70
$1.71
DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
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$0.45
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
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One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
Aliexpress
$24.27
$25.56
DC 12V 8 Channel Pro Mini PLC Board Relay Shield Module For Arduino Multifunction Delay Timer Switch
Aliexpress
Free shipping
$24.27
$25.56
DC 12V 8 Channel Pro Mini PLC Board Relay Shield Module For Arduino Multifunction Delay Timer Switch
Aliexpress
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5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
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5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
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5V High Level Trigger One Two Four Eight 1 2 4 8 Channel Relay Module Interface Board PIC AVR DSP
Aliexpress
$2.14
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5V High Level Trigger One Two Four Eight 1 2 4 8 Channel Relay Module Interface Board PIC AVR DSP
Aliexpress
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1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For
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1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For
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5V 12V 24V 2 4 6 8 Way Relay Module For Arduino 2 4 6 8 16 Channel Power Module With Optocoupler
Aliexpress
$2.82
5V 12V 24V 2 4 6 8 Way Relay Module For Arduino 2 4 6 8 16 Channel Power Module With Optocoupler
Aliexpress
$1.23
5V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.23
5V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.34
$1.72
1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
AliExpress
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1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
AliExpress
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5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
Aliexpress
$3.30
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5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
Aliexpress
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$3.38
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With
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2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With
Aliexpress
$1.52
5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$1.52
5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$0.69
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High/Low Level Trigger Relay Module TZT 1/2/4/6/8 Channel 5V 12V 24V Home Control Module,With
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High/Low Level Trigger Relay Module TZT 1/2/4/6/8 Channel 5V 12V 24V Home Control Module,With
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Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
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Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$5.06
$10.91
10-1 PCS,3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino
Aliexpress
Free shipping
折扣 53%
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10-1 PCS,3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino
Aliexpress
$13.99
$21.55
ESP32 C3 Relay Module For Arduino IOT Network, DC 9V 12V 24V Mini Expansion Board With 4AI-4DO RS485
Aliexpress
Free shipping
折扣 35%
$13.99
$21.55
ESP32 C3 Relay Module For Arduino IOT Network, DC 9V 12V 24V Mini Expansion Board With 4AI-4DO RS485
Aliexpress
$2.60
$2.66
Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$2.60
$2.66
Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$9.38
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$9.38
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$2.25
$2.30
3V 3.3V 1/2/4 Channel Relay Module Low Level Trigger Liluminated Relay With Lamp Relay Output 4 Way
Aliexpress
$2.25
$2.30
3V 3.3V 1/2/4 Channel Relay Module Low Level Trigger Liluminated Relay With Lamp Relay Output 4 Way
Aliexpress
$0.61
$0.87
1/2/4/6/8 Channel Relay Module With Optocoupler - 5V 12V, For Arduino, 1-8 Way Output, In Stock
Aliexpress
折扣 29%
$0.61
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1/2/4/6/8 Channel Relay Module With Optocoupler - 5V 12V, For Arduino, 1-8 Way Output, In Stock
Aliexpress
Interfacing Relay with Arduino Uno
Interfacing Relay with Arduino Uno
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electrosome.com
relay module interfacing with arduino code and circuit diagam
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relay module interfacing with arduino code and circuit diagam
2016年10月13日
microcontrollerslab.com
How to Interface 2 Channel Relay Module with Arduino UNO
How to Interface 2 Channel Relay Module with Arduino UNO
2021年3月10日
circuits-diy.com
DRIVING A RELAY WITH AN ARDUINO
DRIVING A RELAY WITH AN ARDUINO
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hackaday.io
Relay Module Connection in Arduino: Code and Wiring Diagram
5:09
Relay Module Connection in Arduino: Code and Wiring Diagram
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itsourcecode.com
Driving a Relay With an Arduino
Driving a Relay With an Arduino
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instructables.com
Arduino Relay Basics - How It Works and How to Use It
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Arduino Relay Basics - How It Works and How to Use It
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instructables.com
Step-by-Step Guide: Interface 2 Channel Relay Channels With Ard…
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15:13
Arduino Basics - Relays
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Everything you need to know about RELAYS
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Arduino Controlled Relay Module | Home Automation | Tutorial
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MOSFETs and Transistors with Arduino
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ESP32/ESP8266 Relay Module - Control AC Appliances (Web Server)
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How To Add Relays to Your Projects- The BASICS
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Multiple Servo Control with Arduino Uno R3
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YouTubeMaker 101
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购买 Arduino Relay Multiple

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$1.37
$3.80
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
折扣 63%
$1.37
$3.80
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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$7.32
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
折扣 51%
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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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Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
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$13.65
High Level Trigger Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board
Aliexpress
Free shipping
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$13.65
High Level Trigger Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board
Aliexpress
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
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$2.35
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
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1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
Aliexpress
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1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
Aliexpress
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$6.30
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
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5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
Aliexpress
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5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
Aliexpress
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DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
Free shipping
$21.00
$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
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$6.54
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
折扣 49%
$3.30
$6.54
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
$0.55
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
Free shipping
$0.55
5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$27.16
$37.20
ESP32 16 Way Relay Module Development Board DC 5V-12V For Smart Home ESP32-WROOM Secondary
Aliexpress
Free shipping
折扣 26%
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$37.20
ESP32 16 Way Relay Module Development Board DC 5V-12V For Smart Home ESP32-WROOM Secondary
Aliexpress
$2.18
$2.29
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
$2.18
$2.29
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
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$5.74
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
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4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
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Relay Module 6 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low
Aliexpress
Free shipping
$17.50
Relay Module 6 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low
Aliexpress
$12.68
$20.87
Relay Trigger Delay Board Module DIY YF-7 Multifunctional Dual-Channel Delay Relay Module Pulse
Aliexpress
Free shipping
折扣 39%
$12.68
$20.87
Relay Trigger Delay Board Module DIY YF-7 Multifunctional Dual-Channel Delay Relay Module Pulse
Aliexpress
$1.70
$1.71
DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$1.70
$1.71
DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$0.35
$0.45
One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
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One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control Board With
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