购买 Arduino Relay Projects

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$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
$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
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$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
3
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
16
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
16
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
Free shipping
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
Free shipping
$7.99
Aoicrie 5Pcs DC 5V 1 Channel Relay Module Board Shield With Optocoupler Isolation Support High Or Low Level Compatible Development Board Trigger
Amazon.com
30
$7.99
Aoicrie 5Pcs DC 5V 1 Channel Relay Module Board Shield With Optocoupler Isolation Support High Or Low Level Compatible Development Board Trigger
Amazon.com
30
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$19.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Donelanetop Store
折扣 85%
$19.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Donelanetop Store
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$18.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Trendtalksaz Store
折扣 86%
$18.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Trendtalksaz Store
$10.99
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module For Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official
Amazon.com
20
$10.99
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module For Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official
Amazon.com
20
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70
$43.55
A000067 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
1
$43.55
A000067 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
1
$22.99
4 SPDT 10Amp Power Relay Module For Raspberry Pi Etc Iot Project, DC5V Version
Amazon.com
$22.99
4 SPDT 10Amp Power Relay Module For Raspberry Pi Etc Iot Project, DC5V Version
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
71
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
71
$9.99
Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
Amazon.com
80
$9.99
Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
Amazon.com
80
$19.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Roberta Wegner
折扣 85%
$19.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Roberta Wegner
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
75
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
75
$30.15
Bevrlink 8 Channel Relay V1 24V Compatible With Arduino, Raspberry Pi, Rock, ESP32, ESP8266 And Other Sbcs And Microcontrollers - I2C GPIO (SBC, Case,
Amazon.com
$30.15
Bevrlink 8 Channel Relay V1 24V Compatible With Arduino, Raspberry Pi, Rock, ESP32, ESP8266 And Other Sbcs And Microcontrollers - I2C GPIO (SBC, Case,
Amazon.com
$2.24
$2.54
DIY Project Time Delay Relay - 5V 1-Channel 999-Min Cycle (For Arduino-Compatible ON/OFF Trigger)
Aliexpress
Free shipping
折扣 11%
$2.24
$2.54
DIY Project Time Delay Relay - 5V 1-Channel 999-Min Cycle (For Arduino-Compatible ON/OFF Trigger)
Aliexpress
Free shipping
$1.58
$1.76
4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output In Stock
Aliexpress
折扣 10%
$1.58
$1.76
4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output In Stock
Aliexpress
$2.17
$4.48
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
Aliexpress
Free shipping
折扣 51%
$2.17
$4.48
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
Aliexpress
Free shipping
$2.10
$4.43
1/10PCS 3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino 1CH
Aliexpress
Free shipping
折扣 52%
$2.10
$4.43
1/10PCS 3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino 1CH
Aliexpress
Free shipping
$109.33
$141.52
Complete Ultimate STEM Electronic Projects Starter Kit For Arduino With Mega2560, LCD1602, Servo,
Aliexpress
Free shipping
折扣 22%
$109.33
$141.52
Complete Ultimate STEM Electronic Projects Starter Kit For Arduino With Mega2560, LCD1602, Servo,
Aliexpress
Free shipping
$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
6
$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
6
$27.33
8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32
Etsy
$27.33
8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32
Etsy
$26.91
$39.99
Arduino Workshop, 2nd Edition: A Hands-On Introduction With 65 Projects
Amazon.com
59
折扣 32%
$26.91
$39.99
Arduino Workshop, 2nd Edition: A Hands-On Introduction With 65 Projects
Amazon.com
59
$58.00
KEYESTUDIO Smart Car Robot,4WD Programmable DIY Starter Kit For Arduino For Uno R3,Electronics Programming Project/STEM Educational/Science Coding Kit
Amazon.com
114
Free shipping
$58.00
KEYESTUDIO Smart Car Robot,4WD Programmable DIY Starter Kit For Arduino For Uno R3,Electronics Programming Project/STEM Educational/Science Coding Kit
Amazon.com
114
$9.62
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$9.62
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
106
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
106
Arduino Relay Tutorial - Control High Voltage Devices with Arduino
7:30
Arduino Relay Tutorial - Control High Voltage Devices with Arduino
2015年9月9日
howtomechatronics.com
Arduino Relay Basics - How It Works and How to Use It
Arduino Relay Basics - How It Works and How to Use It
已浏览 4184 次2021年11月10日
instructables.com
Arduino Relay Project using Bluetooth IR & EEPROM - 2026
Arduino Relay Project using Bluetooth IR & EEPROM - 2026
2022年1月18日
iotcircuithub.com
DIY - Relay Module | Arduino
DIY - Relay Module | Arduino
2020年8月30日
maker.pro
Driving a Relay With an Arduino
Driving a Relay With an Arduino
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instructables.com
Relay module with Arduino(code explained) | Control AC devices with arduino | Arduino tutorial 10
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YouTubeTech at Home
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购买 Arduino Relay Projects

广告
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$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
$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
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$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
3
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
16
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
16
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
Free shipping
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
Free shipping
$7.99
Aoicrie 5Pcs DC 5V 1 Channel Relay Module Board Shield With Optocoupler Isolation Support High Or Low Level Compatible Development Board Trigger
Amazon.com
30
$7.99
Aoicrie 5Pcs DC 5V 1 Channel Relay Module Board Shield With Optocoupler Isolation Support High Or Low Level Compatible Development Board Trigger
Amazon.com
30
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$19.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Donelanetop Store
折扣 85%
$19.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Donelanetop Store
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$18.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Trendtalksaz Store
折扣 86%
$18.99
$138.00
Ebook - Iot: Building Arduino-Based Projects (PDF Instant Download)
Trendtalksaz Store
$10.99
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module For Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official
Amazon.com
20
$10.99
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module For Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official
Amazon.com
20
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70