购买 4 Relay Module Arduino Connection

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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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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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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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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
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DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
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Sainsmart 4-Channel Relay Module
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MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
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MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
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$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
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XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
1
$1.38
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.38
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$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
$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,
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102
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NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
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102
$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$3.66
$7.33
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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$9.99
4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
$1.63
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High Low Level Trigger
AliExpress
$1.63
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High Low Level Trigger
AliExpress
$2.67
1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
AliExpress
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$2.67
1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
AliExpress
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$0.86
$0.88
1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
AliExpress
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$0.88
1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
AliExpress
$0.63
1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$0.63
1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$7.97
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$7.97
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
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45
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
45
$4.56
1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
AliExpress
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1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
AliExpress
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$3.35
1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
AliExpress
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1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
AliExpress
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
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Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
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Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
Amazon.com
$1.71
$1.78
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
AliExpress
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$1.78
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
AliExpress
$1.01
5V/12V/24V 4 Channel Relay Module 4-Channel Relay Control Board For Arduino With Optocoupler Relay
Aliexpress
Free shipping
$1.01
5V/12V/24V 4 Channel Relay Module 4-Channel Relay Control Board For Arduino With Optocoupler Relay
Aliexpress
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$14.30
4 Channel Relay Module 5V/12V/24V 30A Load Current With Optocoupler Isolation Supports High And Low
AliExpress
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4 Channel Relay Module 5V/12V/24V 30A Load Current With Optocoupler Isolation Supports High And Low
AliExpress
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$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
12
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DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
12
$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
$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
$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
$2.85
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
AliExpress
$2.85
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
AliExpress
$133.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# D2-04TRS)
Automation Direct
$133.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# D2-04TRS)
Automation Direct
$3.54
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
AliExpress
$3.54
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
AliExpress
$2.96
1 2 4 Channel Relay Module 30A With Optocoupler Isolation 1 Way 5V 12V 24V Supports High And Low
AliExpress
Free shipping
$2.96
1 2 4 Channel Relay Module 30A With Optocoupler Isolation 1 Way 5V 12V 24V Supports High And Low
AliExpress
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$0.61
$0.87
5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 6 8 Way Relay Module For
AliExpress
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$0.61
$0.87
5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 6 8 Way Relay Module For
AliExpress
$1.80
$3.57
1/2/4/6/8 Channel Relay Module With Optocoupler 5V/12V/24V Relay Module With Indicator Light For
AliExpress
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$1.80
$3.57
1/2/4/6/8 Channel Relay Module With Optocoupler 5V/12V/24V Relay Module With Indicator Light For
AliExpress
$1.77
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board With Optocoupler Support High And
AliExpress
$1.77
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board With Optocoupler Support High And
AliExpress
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
Relay Module Connection in Arduino: Code and Wiring Diagram
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Relay Module Connection in Arduino: Code and Wiring Diagram
2022年10月16日
itsourcecode.com
Arduino Relay Control Tutorial
0:18
Arduino Relay Control Tutorial
已浏览 3562 次2017年12月28日
circuitdigest.com
Car remote start using Uno, SIM800L, and 4 Relay module.
Car remote start using Uno, SIM800L, and 4 Relay module.
2019年12月5日
arduino.cc
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
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hackaday.io
Controlling AC Light Using Arduino With Relay Module
Controlling AC Light Using Arduino With Relay Module
已浏览 92.5万 次2020年9月30日
instructables.com
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
2015年11月28日
circuitbasics.com
ESP32 Relay Module - Control AC Appliances (Web Server) | Rando…
2019年12月18日
randomnerdtutorials.com
2:23
Arduino with PIR Motion Sensor | Random Nerd Tutorials
2014年8月18日
randomnerdtutorials.com
บอร์ด Relay 4ช่อง 5V Arduino Relay Module 5V 4 Channel isolati…
2021年9月14日
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PC817 Adapter Module Optocoupler with Arduino - zonemaker.com
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YouTubeMaker Tutor
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SIM800L Home Automation Project Using Arduino and Push Buttons
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YouTubeAhmad Logs
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
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17:26
Lesson 68, Home Automation: control 16 Channel Relay module …
已浏览 15.9万 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 12.4万 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
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Using a 74HC595 to connect an Arduino to a 7-segment LED displ…
已浏览 16万 次2015年1月9日
YouTubeKristian Blåsol
4:51
How To Add Relays to Your Projects- The BASICS
已浏览 24.2万 次2016年2月12日
YouTubeMKme Lab
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已浏览 32.7万 次2018年4月22日
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已浏览 1.5万 次2020年5月12日
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Arduino Bluetooth Relay Control | Bluetooth Relay Switch
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已浏览 1.5万 次2015年8月29日
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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
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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
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$7.64
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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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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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
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DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
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DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$8.09
$8.99
Sainsmart 4-Channel Relay Module
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409
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Sainsmart 4-Channel Relay Module
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MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
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MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
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$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
1
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XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
1
$1.38
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.38
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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4 SPDT 10Amp Power Relay Module For Raspberry Pi Etc Iot Project, DC5V Version
Amazon.com
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4 SPDT 10Amp Power Relay Module For Raspberry Pi Etc Iot Project, DC5V Version
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
102
$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,
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102
$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
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$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
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$7.33
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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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
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$5.00
$9.99
4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
$1.63
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High Low Level Trigger
AliExpress
$1.63
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High Low Level Trigger
AliExpress
$2.67
1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
AliExpress
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$2.67
1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
AliExpress
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$0.86
$0.88
1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
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1 2 4 8 Way Channel Relay Module 5V 12V 24V With Optocoupler Support High And Low Level Trigger For
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$0.63
1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$0.63
1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$7.97
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$7.97
Velleman VMA400 4 Channel Relay Module
Amazon.com
4