Shop relay module arduino

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$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
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40
$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
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$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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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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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
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Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
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Jolooyo KY-019 5V Relay Module For Arduino AVR PIC (Pack Of 5)
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Jolooyo KY-019 5V Relay Module For Arduino AVR PIC (Pack Of 5)
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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$18.99
Cenrykay 10PCS 5V 1-Ch Relay Module Optocoupler For Arduino High/Low Trigger
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Cenrykay 10PCS 5V 1-Ch Relay Module Optocoupler For Arduino High/Low Trigger
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
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JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
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Hiletgo 5V 4 Channel Relay Shield For UNO R3
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Hiletgo 5V 4 Channel Relay Shield For UNO R3
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$6.79
Sunfounder 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR
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Sunfounder 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR
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$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
Amazon.com
$29.99
KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
Amazon.com
$29.99
KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
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$8.99
ELEGOO 8 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32, Active-Low
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$8.99
ELEGOO 8 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32, Active-Low
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power For Arduino DIY Kit Pic ARM AVR (2Pcs)
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ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power For Arduino DIY Kit Pic ARM AVR (2Pcs)
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$11.49
Hiletgo 24V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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Hiletgo 24V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
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$15.99
3Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module Geekcreit For Arduino - Products That Work With Official Arduino Board
USA.Banggood
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3Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module Geekcreit For Arduino - Products That Work With Official Arduino Board
USA.Banggood
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Hosyond 6Pack 2 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
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83
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Hosyond 6Pack 2 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
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Sainsmart 16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM
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609
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Sainsmart 16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM
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How Relays Work in Circuits | Relays and Transistors #shorts #engineering
1:03
How Relays Work in Circuits | Relays and Transistors #shorts #engineering
2.9K views2 weeks ago
YouTubeEngineeringness
Relay With No Moving Parts: How Solid-State Relays Work
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Relay With No Moving Parts: How Solid-State Relays Work
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The Hidden Flaws of Relays | Contact Bounce & Arcing Explained #shorts #engineering
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The Hidden Flaws of Relays | Contact Bounce & Arcing Explained #shorts #engineering
3.1K views3 weeks ago
YouTubeEngineeringness
I Turned a 12V Relay Into a 220V Inverter?! ⚡️
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I Turned a 12V Relay Into a 220V Inverter?! ⚡️
1.1K views2 weeks ago
YouTubemosiala
230 volt AC To DC 12 volt Relay Circuit Board Electronics Verma
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The 4x1500m Mixed Relay explained 🏊 #openwaterswimming #openwater #relay #explained #team
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The 4x1500m Mixed Relay explained 🏊 #openwaterswimming #openwater #relay #explained #team
14.9K views4 weeks ago
YouTubeWorld Aquatics
5-Pin Relay Explained: Wiring & Basics for Beginners .
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5-Pin Relay Explained: Wiring & Basics for Beginners .
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YouTubeJAMESAUTOMOTIVEENG
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DIY WiFi Relay 🔥🔥 #howto #howto #technology #diy #diyprojects
2.1K views1 month ago
YouTubeTechno Topics
1:25
Relay Kaise Kaam Karta Hai? ⚡ | Relay Working & Uses Explained | Electrical Shorts #shortsyoutube
113.9K views3 weeks ago
YouTubeRebuild Tech
0:10
Relay Race 😳 technique for Relay 🤯💯 #running #relay #athletics #longjump #sports #trackandfield2026
118.5K views4 weeks ago
YouTubeRun_Santanu_400M
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On/off 3- phase motor using 14-pin Relay and DOL starter #dolstarter #starters
4.8K views1 month ago
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Western Province 4x400M Relay Results
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Timer Speed Relay Race Rules & Ideas — Girls vs Boys Challenge
38.2M views2 months ago
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Arduino Relay with LED Display — Simple Smart Mini Project
3.3M views3 months ago
TikTokinvertorgc
0:19
Adidas Nationals 2026 4x200m Podium — Middle School Relay Winners
3.8M views3 months ago
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India defeats China in Chinese ground at Asian Relay #shorts
537.5K views3 months ago
YouTubeIndiatimes
0:56
line 2 #relays4x100 #athletics #kotatangerang
2M views3 months ago
TikTokketanitem_
0:47
🏃USA Relay Running Showdown 🏆🔥 | Fastest Team Race & Amazing Finis#RelayRunning #usasportshub #usa
35K views2 weeks ago
YouTubeUSA Sports hub
1:06
#firefighters vs #police who will win? This week, we welcomed participants from Edgewood Police Department’s #JrPoliceAcademy to EPFR Station 118 for an evening of hands-on learning. They toured the station, climbed into the engine, tried on firefighter gear, and got a closer look at what our crews do. #eastpiercefire
388.6K views1 month ago
TikTokeastpiercefire
0:29
4x400m Mixed Relay Birmingham 2026 – Netherlands vs Team GB & Norway
40.6K views1 month ago
TikTokunclemattysadvent
See more
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Short videos

1:03
How Relays Work in Circuits | Relays and Transistors #shorts #engineering
2.9K views2 weeks ago
YouTubeEngineeringness
0:28
Relay With No Moving Parts: How Solid-State Relays Work
9.2K views1 month ago
TikTokhotrodoancodien
1:13
The Hidden Flaws of Relays | Contact Bounce & Arcing Explained #shorts #engineerin
3.1K views3 weeks ago
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0:23
I Turned a 12V Relay Into a 220V Inverter?! ⚡️
1.1K views2 weeks ago
YouTubemosiala
3:00
230 volt AC To DC 12 volt Relay Circuit Board Electronics Verma
6.9K views1 month ago
YouTubeElectronics Verma
0:28
The 4x1500m Mixed Relay explained 🏊 #openwaterswimming
14.9K views4 weeks ago
YouTubeWorld Aquatics
0:16
5-Pin Relay Explained: Wiring & Basics for Beginners .
1.3K views7 months ago
YouTubeJAMESAUTOMOTIVEENG
1:55
DIY WiFi Relay 🔥🔥 #howto #howto #technology #diy #diyprojects
2.1K views1 month ago
YouTubeTechno Topics
1:25
Relay Kaise Kaam Karta Hai? ⚡ | Relay Working & Uses Explained | Electrical Shorts
113.9K views3 weeks ago
YouTubeRebuild Tech
0:10
Relay Race 😳 technique for Relay 🤯💯 #running #relay #athletics #longjump #sports
118.5K views4 weeks ago
YouTubeRun_Santanu_400M
0:51
On/off 3- phase motor using 14-pin Relay and DOL starter #dolstarter #starters
4.8K views1 month ago
YouTubeELECTRICAL HUB
1:01
Western Province 4x400M Relay Results
8.1K views3 weeks ago
TikToksinura_salgado01
1:13
Timer Speed Relay Race Rules & Ideas — Girls vs Boys Challenge
38.2M views2 months ago
TikTokthesmilyfam
0:15
Arduino Relay with LED Display — Simple Smart Mini Project
3.3M views3 months ago
TikTokinvertorgc
0:19
Adidas Nationals 2026 4x200m Podium — Middle School Relay Winners
3.8M views3 months ago
TikTokiam_mrscmart
0:35
India defeats China in Chinese ground at Asian Relay #shorts
537.5K views3 months ago
YouTubeIndiatimes
0:56
line 2 #relays4x100 #athletics #kotatangerang
2M views3 months ago
TikTokketanitem_
0:47
🏃USA Relay Running Showdown 🏆🔥 | Fastest Team Race & Amazing Finis#RelayRunning
35K views2 weeks ago
YouTubeUSA Sports hub
1:06
#firefighters vs #police who will win? This week, we welcomed participants from Edgewood
388.6K views1 month ago
TikTokeastpiercefire
0:29
4x400m Mixed Relay Birmingham 2026 – Netherlands vs Team GB &
40.6K views1 month ago
TikTokunclemattysadvent
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Shop relay module arduino

Sponsored
About our ads
$6.79
Sunfounder 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR
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Sunfounder 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
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KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
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ELEGOO 8 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32, Active-Low
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ELEGOO 8 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32, Active-Low
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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Hiletgo 24V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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Hiletgo 24V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power For Arduino DIY Kit Pic ARM AVR (2Pcs)
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ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power For Arduino DIY Kit Pic ARM AVR (2Pcs)
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Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
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Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
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$15.99
3Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module Geekcreit For Arduino - Products That Work With Official Arduino Board
USA.Banggood
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3Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module Geekcreit For Arduino - Products That Work With Official Arduino Board
USA.Banggood
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Hosyond 6Pack 2 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
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Hosyond 6Pack 2 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
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Hiletgo 2Pcs 5V 30A One Channel Relay Module Optocoupler Isolation High And Low Trigger 5V
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Hiletgo 2Pcs 5V 30A One Channel Relay Module Optocoupler Isolation High And Low Trigger 5V
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ANMBEST 8 Channel AC/DC 12V Rail Mount Relay Interface Module, G2R-1-E | PNP NPN SPDT 16A Pluggable Power Relay, Module For Arduino Board,Industrial
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ANMBEST 8 Channel AC/DC 12V Rail Mount Relay Interface Module, G2R-1-E | PNP NPN SPDT 16A Pluggable Power Relay, Module For Arduino Board,Industrial
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Sainsmart 16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM
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609
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Sainsmart 16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM
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$15.13
1PCS 5V 12V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
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1PCS 5V 12V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
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1PCS BAISHUN 5V 16-Channel Relay Module With Optocoupler Isolation For Arduino/ARM/PIC/AVR/DSP
AliExpress
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1PCS BAISHUN 5V 16-Channel Relay Module With Optocoupler Isolation For Arduino/ARM/PIC/AVR/DSP
AliExpress

Shop relay module arduino

Sponsored
About our ads
$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
40
$10.59
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
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
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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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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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
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Jolooyo KY-019 5V Relay Module For Arduino AVR PIC (Pack Of 5)
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Jolooyo KY-019 5V Relay Module For Arduino AVR PIC (Pack Of 5)
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
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Cenrykay 10PCS 5V 1-Ch Relay Module Optocoupler For Arduino High/Low Trigger
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Cenrykay 10PCS 5V 1-Ch Relay Module Optocoupler For Arduino High/Low Trigger
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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
53
12% off
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
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JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
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Hiletgo 5V 4 Channel Relay Shield For UNO R3
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Hiletgo 5V 4 Channel Relay Shield For UNO R3
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Sunfounder 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR
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Sunfounder 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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$9.59
AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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$29.99
KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
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$29.99
KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
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$8.99
ELEGOO 8 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32, Active-Low
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$8.99
ELEGOO 8 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32, Active-Low
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$6.99
ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
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Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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$7.99
Sunfounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible With Arduino R3 1280 Arm PIC AVR STM32
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