购买 Channel Relay Module

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$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
$9.99
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)
Amazon.com
$9.99
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)
Amazon.com
$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
$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
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
Amazon.com
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
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
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 12V Relay Interface
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 12V Relay Interface
Amazon.com
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
Amazon.com
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
Amazon.com
$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
$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
$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
95
$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
$12.50
MECCANIXITY Relay Module 6 Channel 5V Low Level Trigger Module Blue Relay Module Board For DSP
Amazon.com
$12.50
MECCANIXITY Relay Module 6 Channel 5V Low Level Trigger Module Blue Relay Module Board For DSP
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
Free shipping
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$346.07
2 Channel Relay Module
Big Rig Chrome Shop
$346.07
2 Channel Relay Module
Big Rig Chrome Shop
$0.50
Multi-Channel Relay Module 5V/12V/24V Optional With Optocoupler Relay Control Board 1 / 2 / 4 / 8 / 16 Channel Relay Module
Alibaba B2B
Free shipping
$0.50
Multi-Channel Relay Module 5V/12V/24V Optional With Optocoupler Relay Control Board 1 / 2 / 4 / 8 / 16 Channel Relay Module
Alibaba B2B
$482.03
4-Channel Relay Module For Serial Controllers
Big Rig Chrome Shop
$482.03
4-Channel Relay Module For Serial Controllers
Big Rig Chrome Shop
$1.52
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$1.52
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$2.01
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$2.01
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
Free shipping
$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
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
$9.59
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$9.59
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$3.00
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$3.00
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$0.10
One Channel Relay Module 5V 12V 24V Low-Level Trigger 1-CH Relay Expansion Board
Alibaba B2B
Free shipping
$0.10
One Channel Relay Module 5V 12V 24V Low-Level Trigger 1-CH Relay Expansion Board
Alibaba B2B
$8.32
Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
Amazon.com
$8.32
Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
Amazon.com
$15.99
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
Amazon.com
$15.99
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
Amazon.com
$14.00
8-Channel 5V Relay Module Control Board 12V Small Multiple Relay Module Plc Output Amplifier Board Electromagnetic Relay Sealed
Alibaba B2B
Free shipping
$14.00
8-Channel 5V Relay Module Control Board 12V Small Multiple Relay Module Plc Output Amplifier Board Electromagnetic Relay Sealed
Alibaba B2B
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
34
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
$29.30
(Dc 24V)Isolated Type 16 Channel Relay Module Interface Board High/Low
eBay
$29.30
(Dc 24V)Isolated Type 16 Channel Relay Module Interface Board High/Low
eBay
Esp32 controlling 16-channel Relay
0:33
Esp32 controlling 16-channel Relay
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YouTubeDeo
How to use: 1 Channel DC12V Remote Control Switch with 2 button remote control
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How to use: 1 Channel DC12V Remote Control Switch with 2 butt…
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YouTubeqiachip.com
Everything you need to know about RELAYS
22:48
Everything you need to know about RELAYS
已浏览 10.4万 次2017年12月10日
YouTubePlayful Technology
4 Channel Relay Module Design by Using Proteus
18:45
4 Channel Relay Module Design by Using Proteus
已浏览 1.1万 次2019年10月25日
YouTubeEngineering Science & Technology - EST
Home Automation: 4 channel Solid State Relay with Arduino To control 4 bulbs or loads RJT150
14:31
Home Automation: 4 channel Solid State Relay with Arduino To contr…
已浏览 2.6万 次2019年1月12日
YouTubeRobojax
Using 8 Channel Relay With Arduino (Tutorial)
7:48
Using 8 Channel Relay With Arduino (Tutorial)
已浏览 4.3万 次2015年11月4日
YouTubeliney118
How to use 4 channel Arduino Relay Shield RJT36
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
5:11
HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH …
已浏览 11.6万 次2018年8月6日
YouTubeMYTECTUTOR
4:33
5V 1 Channel Level Trigger Optocoupler Relay Module For Ar…
已浏览 12万 次2019年6月11日
YouTubeUnboxing Channel
4:41
How to use an Arduino Relay Module
已浏览 17.3万 次2018年2月4日
YouTubeTinker & Build
4:56
Using 5V 1 channel relay module for Arduino
已浏览 29.9万 次2017年4月2日
YouTubeRobojax
10:00
25 - Control Modules - Introduction to Fire Alarms
已浏览 21.6万 次2013年10月6日
YouTubeJoe Klochan
17:46
433MHz 12V 4CH Channel Relay RF Wireless Remote Control Switch K…
已浏览 7.1万 次2020年3月24日
YouTubeRobojax
17:33
How to use 4 channel Relay to control AC load with Arduino cod…
已浏览 18.1万 次2018年3月27日
YouTubeRobojax
12:54
32 PATTERNS | 8 CHANNEL RELAY MODULE 230V LIGHT CHASER AR…
已浏览 10.9万 次2021年5月7日
YouTubeSL IDEAS
11:41
Connecting a Relay Module to a Microcontroller
已浏览 35.7万 次2021年3月12日
YouTubeBrad Henson
4:18
How to interface 2 Channel Relay Module with Arduino - Arduino UN…
已浏览 5720 次2021年4月14日
YouTubeCircuits DIY
0:08
B4R - Testing an 8 channel relay module on Arduino UNO.
已浏览 8147 次2017年5月11日
YouTubePeter Simpson
3:44
How to: Home Automation - connect 8 channel relay + Raspberry Pi
已浏览 42.2万 次2013年8月25日
YouTubeskiwithpete
9:00
How to use Bluetooth control Relay with Arduino.
已浏览 1.2万 次2021年7月13日
YouTubePassion Tech KLM
2:51
The 4-Channel Active Low Relay Module - A Demonstration Video
已浏览 3.7万 次2012年9月8日
YouTubeEngineeringShock
12:08
banggood How To Use and connect arduino with 5V 8 Channel Relay …
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Home Automation: Control 16 channel relay with CD74HC4067 M…
已浏览 6.6万 次2018年12月1日
YouTubeRobojax
11:51
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YouTubeRobojax
2:03
How to wire Safety Relay ? Emergency Stop Dual Channel Mo…
已浏览 20.5万 次2021年6月19日
YouTubePLC Programming Tutorials Tips and Tricks
8:30
How to use 12V Relay module with Arduino to control High Voltage D…
已浏览 4.6万 次2019年2月16日
YouTubeTech StudyCell
16:52
#18 Add a Relay Module to your Arduino project - Hints, Tips & Traps
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YouTubeRalph S Bacon
4:38
4 channel relay module interfacing with Arduino Uno Tutorial part 2 i…
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YouTubeDoit Projects
16:07
Home Automation: 12V Relay with LED Display Delay 0.1 seconds to …
已浏览 37.2万 次2018年5月12日
YouTubeRobojax
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购买 Channel Relay Module

广告
关于我们的广告
$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
$9.99
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)
Amazon.com
$9.99
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)
Amazon.com
$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
$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
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
Amazon.com
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
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
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 12V Relay Interface
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 12V Relay Interface
Amazon.com
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
Amazon.com
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
Amazon.com
$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
$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
$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
95
$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
$12.50
MECCANIXITY Relay Module 6 Channel 5V Low Level Trigger Module Blue Relay Module Board For DSP
Amazon.com
$12.50
MECCANIXITY Relay Module 6 Channel 5V Low Level Trigger Module Blue Relay Module Board For DSP
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
Free shipping
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$346.07
2 Channel Relay Module
Big Rig Chrome Shop
$346.07
2 Channel Relay Module
Big Rig Chrome Shop
$0.50
Multi-Channel Relay Module 5V/12V/24V Optional With Optocoupler Relay Control Board 1 / 2 / 4 / 8 / 16 Channel Relay Module
Alibaba B2B
Free shipping
$0.50
Multi-Channel Relay Module 5V/12V/24V Optional With Optocoupler Relay Control Board 1 / 2 / 4 / 8 / 16 Channel Relay Module
Alibaba B2B
$482.03
4-Channel Relay Module For Serial Controllers
Big Rig Chrome Shop
$482.03
4-Channel Relay Module For Serial Controllers
Big Rig Chrome Shop
$1.52
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$1.52
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com