购买 4 Relay Module Arduino Connection

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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
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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
Amazon.com
7
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
34
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
34
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
79
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
79
$49.53
(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
Amazon.com
Free shipping
$49.53
(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
Amazon.com
Free shipping
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
75
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
75
$15.09
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$15.09
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$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
$4.57
Reland Sun-30A 1 2 4 Channel Relay Module High Low Level Trigger Isolation Load With Optocoupler DC 30V AC 250V 30A PLC Industrial Control For
Amazon.com
$4.57
Reland Sun-30A 1 2 4 Channel Relay Module High Low Level Trigger Isolation Load With Optocoupler DC 30V AC 250V 30A PLC Industrial Control For
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$7.01
$7.97
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
折扣 12%
$7.01
$7.97
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
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$19.99
Development Board Relay Module, 7-28/5V DC Power Supply ESP-12F Wifi 4 Channel ESP8266 30A Relay Development Module For Home Smart Control
Amazon.com
$19.99
Development Board Relay Module, 7-28/5V DC Power Supply ESP-12F Wifi 4 Channel ESP8266 30A Relay Development Module For Home Smart Control
Amazon.com
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$11.99
Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi EU
SainSmart.com
$11.99
Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi EU
SainSmart.com
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$2.96
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
AliExpress
Free shipping
$2.96
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
AliExpress
Free shipping
$3.32
1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
AliExpress
$3.32
1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
AliExpress
$0.83
$0.88
1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
AliExpress
$0.83
$0.88
1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
AliExpress
$20.45
MHCOZY 4 Channels Wifi Smart Relay Switch, Ewelink App DC 5V AC 85-250V Passive Output Dry Contact Relay Module,Wifi Remtoe Voice Control Gate Lights
Amazon.com
312
$20.45
MHCOZY 4 Channels Wifi Smart Relay Switch, Ewelink App DC 5V AC 85-250V Passive Output Dry Contact Relay Module,Wifi Remtoe Voice Control Gate Lights
Amazon.com
312
$1.99
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$1.99
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$0.89
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
AliExpress
$0.89
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
AliExpress
$3.77
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
$3.77
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
$1.69
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board With Optocoupler Support High And Low
Aliexpress
$1.69
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board With Optocoupler Support High And Low
Aliexpress
$3.58
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
AliExpress
$3.58
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
AliExpress
$1.55
$1.94
4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With
AliExpress
折扣 20%
$1.55
$1.94
4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With
AliExpress
$0.25
$0.35
1 2 4 8 16 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler
AliExpress
折扣 28%
$0.25
$0.35
1 2 4 8 16 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler
AliExpress
$1.38
$1.72
1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
AliExpress
折扣 19%
$1.38
$1.72
1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
AliExpress
$4.45
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
AliExpress
$4.45
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
AliExpress
$4.49
4-Channel 5V Relay Module With Optocoupler, Compatible With Arduino R3, AVR, STM32, PIC, ARM
AliExpress
$4.49
4-Channel 5V Relay Module With Optocoupler, Compatible With Arduino R3, AVR, STM32, PIC, ARM
AliExpress
$1.45
1 2 4 8 Channel 5V/12V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$1.45
1 2 4 8 Channel 5V/12V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$2.73
$3.17
TZT 1/3PCS 4 Channel 5V Relay Shield Module, Four Channel Relay Control Board Relay Expansion Board
AliExpress
折扣 13%
$2.73
$3.17
TZT 1/3PCS 4 Channel 5V Relay Shield Module, Four Channel Relay Control Board Relay Expansion Board
AliExpress
$2.37
5V 12V 24V Relay 1 2 4 Channel SSR Low Level Solid State Relay Module 250V 2A For Arduino
AliExpress
$2.37
5V 12V 24V Relay 1 2 4 Channel SSR Low Level Solid State Relay Module 250V 2A For Arduino
AliExpress
$1.01
$1.17
TZT 1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
折扣 13%
$1.01
$1.17
TZT 1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$2.60
5V 4-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V
AliExpress
$2.60
5V 4-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V
AliExpress
Relay Module Connection in Arduino: Code and Wiring Diagram
5:09
Relay Module Connection in Arduino: Code and Wiring Diagram
2022年10月16日
itsourcecode.com
Basic setup for Arduino with Relay
Basic setup for Arduino with Relay
2021年2月12日
arduino.cc
Driving a Relay With an Arduino
Driving a Relay With an Arduino
已浏览 8.4万 次2020年9月30日
instructables.com
How to Set Up a 5V Relay on the Arduino
How to Set Up a 5V Relay on the Arduino
2015年11月28日
circuitbasics.com
Controlling Relay Boards from an ESP32
9:11
Controlling Relay Boards from an ESP32
已浏览 7.9万 次2022年12月9日
YouTubeDIY TechRush
SunFounder Kit Tutorial for Arduino - Relay
11:35
SunFounder Kit Tutorial for Arduino - Relay
已浏览 5.5万 次2015年7月16日
YouTubeSunFounder Maker Education
How to Wire a Relay Module for a Raspberry Pi
1:55
How to Wire a Relay Module for a Raspberry Pi
已浏览 5.7万 次2019年7月25日
YouTubeHowchoo
17:26
Lesson 68, Home Automation: control 16 Channel Relay module …
已浏览 15.7万 次2018年10月9日
YouTubeRobojax
4:56
How to use 5V Relay to Turn ON and OFF AC Light bulb - Arduino Tutorial
已浏览 12.1万 次2018年3月22日
YouTubeMaker Tutor
4:38
4 channel relay module interfacing with Arduino Uno Tutorial part 2 i…
已浏览 1.6万 次2020年1月22日
YouTubeDoit Projects
12:19
How To Wire a 4 Pin Relay (12 Volt DC Micro)
已浏览 7.4万 次2018年8月22日
YouTubeRocky X TV
5:13
How To Wire An Automotive Relay Switch, With Diagram, 4 Pin
已浏览 31.9万 次2020年12月27日
YouTubeWanderlost Overland
2:45
How to connect a 2 Way Relais Module with the arduino
已浏览 4万 次2019年4月17日
YouTubeElektrotechnik in 5 Minuten by Alexander Stöger
4:07
How to connect DC motor with relay || control with Arduino
已浏览 8.2万 次2020年6月15日
YouTubeGlobal Spy Hawk
0:20
ESP32 Relay Board Connection | 4 Channel Relay Module Wiring #Sh…
已浏览 1709 次1 个月前
YouTubeDon't fear
3:30
Control 12VDC Solenoid Door Lock Using A Relay On Arduino
已浏览 17.5万 次2020年1月31日
YouTubeCytron Technologies
9:29
How to wire a relay, 5-pin and 4-pin Bosch style
已浏览 10.3万 次2014年3月12日
YouTubeLegit Racecraft
11:00
How to use 4 channel Arduino Relay Shield RJT36
已浏览 3.5万 次2017年12月28日
YouTubeRobojax
5:24
Arduino Bluetooth Relay Control | Bluetooth Relay Switch
已浏览 2.9万 次2021年4月6日
YouTubeAhmad Logs
0:46
5V Relay Module Tutorial | Working, Wiring, NC NO Explained#shorts #…
已浏览 1551 次1 个月前
YouTubeHobbitainment
CONTROLLING 5V 4 CHANNEL RELAY FROM WEB SERVER USIN…
已浏览 1.3万 次2019年11月4日
YouTubeMYTECTUTOR
How to control relay module with one push button
已浏览 3216 次2020年8月26日
YouTubeEr pankaj
How To Use 4 Channel Relay Module W/out Arduino (With Sche…
已浏览 814 次2023年1月29日
YouTubePrince Song
NodeMCU 4 Channel Relay Module Design using EasyEDA
已浏览 2.8万 次2019年10月30日
YouTubeEngineering Science & Technology - EST
Connect All Four Relays In The Middle Activate The Relay Sumer…
已浏览 2.3万 次2022年8月24日
YouTubeTheGamicissist
How to Make 4 Channel Relay Module Timer with Arduino | Nicslab
已浏览 187 次6 个月之前
YouTubeNics Lab
How to Wire MDL to 4Pin Relay with Harness and Fuse
已浏览 8.8万 次2024年8月5日
TikTokjlsoyalnonoyab
Arduino – Bluetooth 4 Channel Relay App
2023年6月29日
arduino.cc
3:04
ESP32 SIM800L | Send and Receive SMS to Control Relay
已浏览 4万 次2021年4月15日
YouTubeAhmad Logs
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购买 4 Relay Module Arduino Connection

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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
7
$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
7
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
34
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
34
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
79
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
79
$49.53
(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
Amazon.com
Free shipping
$49.53
(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
Amazon.com
Free shipping
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
75
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
75
$15.09
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$15.09
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$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
$4.57
Reland Sun-30A 1 2 4 Channel Relay Module High Low Level Trigger Isolation Load With Optocoupler DC 30V AC 250V 30A PLC Industrial Control For
Amazon.com
$4.57
Reland Sun-30A 1 2 4 Channel Relay Module High Low Level Trigger Isolation Load With Optocoupler DC 30V AC 250V 30A PLC Industrial Control For
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$7.01
$7.97
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
折扣 12%
$7.01
$7.97
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
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$19.99
Development Board Relay Module, 7-28/5V DC Power Supply ESP-12F Wifi 4 Channel ESP8266 30A Relay Development Module For Home Smart Control
Amazon.com
$19.99
Development Board Relay Module, 7-28/5V DC Power Supply ESP-12F Wifi 4 Channel ESP8266 30A Relay Development Module For Home Smart Control
Amazon.com
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$11.99
Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi EU
SainSmart.com
$11.99
Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi EU
SainSmart.com
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$2.96
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
AliExpress
Free shipping
$2.96
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
AliExpress
Free shipping