Shop Relay DIY

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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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128
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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ES32A08 DC 12V 24V Multifunction ESP32 Ethernet Network Relay DIY Expansion Wifi Digital Analog IO
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ES32A08 DC 12V 24V Multifunction ESP32 Ethernet Network Relay DIY Expansion Wifi Digital Analog IO
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DIYUSER 5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In
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TUYA Basic Wifi Switch Relay Module DIY MINI Home Switch Smartlife APP Wireless Voice Remote Control
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Irhapsody Relay 12V 5-Pin 40/30AMP Automotive Relay Kit, SPDT 5-Prong Power Trim And Tilt Relay
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Irhapsody Relay 12V 5-Pin 40/30AMP Automotive Relay Kit, SPDT 5-Prong Power Trim And Tilt Relay
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FASTSTORM Electric Fuel Pump Relay Kit 12V Relay Bypass Switch Kit Fuel Pump Relay Wiring Harness Kit 60 Amp Waterproof Relay Kit Fit 12V System Heavy
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5-12V 20A PWM Relay Switch 1 Channel Servo Signal LED Indicate DIY Electronic Kit For Aircraft
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5-12V 20A PWM Relay Switch 1 Channel Servo Signal LED Indicate DIY Electronic Kit For Aircraft
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino MCU DIY Kit
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino MCU DIY Kit
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Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch With Harness Heavy Duty 12&16 AWG Tinned Copper Wires, SPDT Automotive Relay Kit For
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DIYTZT 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low
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DIYTZT 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low
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Mini Smart Wifi Relay Switch, DIY Timer Light Switch Module Smart Life/Tuya Application, Wireless
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
357
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
357
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Diymore 5V / 9V / 12V / 24V 4 Channel Relay Module Shield With Optocoupler High & Low Lever Trigger
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Diymore 5V / 9V / 12V / 24V 4 Channel Relay Module Shield With Optocoupler High & Low Lever Trigger
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AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
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129
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AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
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Tuya 16A MINI Wifi Switch DIY 2-Way Control Timer Switches Relay Power Monitor Smart Life Work With
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AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
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AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
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$59.06
100-240-Volt Smart Switch Module DIY Light Relay Remote Control Compatible With Alexa Siri Google (1-Pack)
Home Depot
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100-240-Volt Smart Switch Module DIY Light Relay Remote Control Compatible With Alexa Siri Google (1-Pack)
Home Depot
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ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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299
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ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
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$25.99
Irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit With Heavy-Duty Pigtail, 5-PIN SPDT Automotive Relay
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Irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit With Heavy-Duty Pigtail, 5-PIN SPDT Automotive Relay
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Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
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Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
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True MODS 6 Pack Bosch Style 5-Pin 12V Relay Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Relays
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True MODS 6 Pack Bosch Style 5-Pin 12V Relay Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Relays
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Irhapsody 4-Pin 40/30AMP 12V DC Relay Kit, SPST Automotive Relay, Pack Of 12
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True MODS 5 Pack Bosch Style 5-Pin 12V Relay Kit [60/80 Amp Heavy Duty] [Interlocking Harness Socket Holder] [12 AWG Hot Wires] [SPDT] 12 Volt
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True MODS 5 Pack Bosch Style 5-Pin 12V Relay Kit [60/80 Amp Heavy Duty] [Interlocking Harness Socket Holder] [12 AWG Hot Wires] [SPDT] 12 Volt
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How to Control AC Devices Using a Relay and Arduino | Relay Basics
0:35
YouTubeElectroPraxis
How to Control AC Devices Using a Relay and Arduino | Relay Basics
This tiny box can control high-power devices using just 5 volts! 😲 Meet the Relay — the secret behind every smart automation system ⚡ Watch till the end to see how a simple click can light up your world 💡 🔥 Next Video: Control Relay with Touch Sensor (Part 2) 💻 Code & Circuit 👇 Do Comment 🎯 Subscribe for more DIY & IoT ...
1.2K views2 weeks ago
Shorts
🔌 8-Pin Timer Relay Wiring Explained in 60 Seconds ⚡ | Easy Connection Guide 🧠💡
0:07
31.2K views
🔌 8-Pin Timer Relay Wiring Explained in 60 Seconds ⚡ | Easy Connection Guide 🧠💡
Edge of technology
Old Mercury Filled Phase Failure Relay | How To Work Mercury Relay #mercury #relay #iti
0:10
462K views
Old Mercury Filled Phase Failure Relay | How To Work Mercury Relay #mercury
MD Quick Study
Relay Circuit
Incredible Women's Relay Performance at World Relays
0:11
Incredible Women's Relay Performance at World Relays
TikTokworldathletics
5.4M views4 months ago
USA vs Jamaica: Back-to-Back Track Championships Showdown
1:15
USA vs Jamaica: Back-to-Back Track Championships Showdown
TikTokj23hart
2.8M views1 month ago
Team USA's Melissa Jefferson: Ready to Shine in Tokyo 2025
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Team USA's Melissa Jefferson: Ready to Shine in Tokyo 2025
TikTokillummin8
403.9K views1 month ago
Top videos
Easily Read & Replace Relay Hacks🙂🙃 #shorts
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Easily Read & Replace Relay Hacks🙂🙃 #shorts
YouTubeMechanic Repair Team
7K views2 months ago
Femke Bol = pure power. ✨
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Femke Bol = pure power. ✨
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The GREATEST 4x100m Relay Race in HISTORY 🇯🇲🇺🇸🔥
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The GREATEST 4x100m Relay Race in HISTORY 🇯🇲🇺🇸🔥
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573K views1 month ago
Relay Types
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Athletics Highlights: Sprinting vs Long Jump
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105.3K views1 month ago
How to Become a Substation & Relay Tech (Powerhouse E&E Repairer) | $101K Median Pay
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How to Become a Substation & Relay Tech (Powerhouse E&E Repairer) | $101K Median Pay
YouTubeCarl Murawski
4.9K views3 weeks ago
Relay Card in PLC: Definition + Importance (Interview Question) #relay #plc
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Relay Card in PLC: Definition + Importance (Interview Question) #relay #plc
YouTubeElectrical Dost
38.2K views1 month ago
Easily Read & Replace Relay Hacks🙂🙃 #shorts
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Easily Read & Replace Relay Hacks🙂🙃 #shorts
7K views2 months ago
YouTubeMechanic Repair Team
Femke Bol = pure power. ✨
0:58
Femke Bol = pure power. ✨
6.9M views2 months ago
YouTubeOlympics
The GREATEST 4x100m Relay Race in HISTORY 🇯🇲🇺🇸🔥
0:55
The GREATEST 4x100m Relay Race in HISTORY 🇯🇲🇺🇸🔥
573K views1 month ago
YouTubeFitVision
🔌 8-Pin Timer Relay Wiring Explained in 60 Seconds ⚡ | Easy Connection Guide 🧠💡
0:07
🔌 8-Pin Timer Relay Wiring Explained in 60 Seconds ⚡ | Easy Connectio…
31.2K views1 month ago
YouTubeEdge of technology
Old Mercury Filled Phase Failure Relay | How To Work Mercury Relay #mercury #relay #iti
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Old Mercury Filled Phase Failure Relay | How To Work Mercury Rela…
462K views3 weeks ago
YouTubeMD Quick Study
Noah Lyles caps HISTORIC WORLDS for Team USA in 4x100m win
1:01
Noah Lyles caps HISTORIC WORLDS for Team USA in 4x100…
59.2K views1 month ago
YouTubeNBC Sports
How to Become a Substation & Relay Tech (Powerhouse E&E Repairer) | $101K Median Pay
2:38
How to Become a Substation & Relay Tech (Powerhouse E&E Rep…
4.9K views3 weeks ago
YouTubeCarl Murawski
1:45
Relay Card in PLC: Definition + Importance (Interview Question) #…
38.2K views1 month ago
YouTubeElectrical Dost
0:35
What a showdown! 🔥 - Women's Relay - STWT MTL 2
8.5K views1 month ago
YouTubeSkating ISU
1:22
Nobody is catching Sydney McLaughlin-Levrone 😤
837K views1 month ago
YouTubeNBC Sports
0:32
North Korea: Loyalty Letters For Kim Jong Un Arrive in Pyongyang …
11.5K views1 month ago
YouTubeFirstpost
0:57
Sha’Carri Richardson Leads the Way #olympics #athlete #trackand…
3.5M views3 weeks ago
YouTubeSTARBOX SPORTS
1:00
Top 5 Mixed Relay Moments That Shocked Everyone!
5.7M views2 months ago
YouTubeSprint Legends
1:30
greatest race in the history ever by jamaica 4×100metre relay world re…
214.3K views1 month ago
YouTubeSports Academics
0:34
usain bolt last Olympic 4×100metre relay race #trackandfield #athletic…
26.3K views2 weeks ago
YouTubeSports Academics
1:53
Handled BUSINESS in men's 4x100m🥇😎🏃🏼‍♂️
60.9K views1 month ago
YouTubeNBC Sports
0:32
Everything about relay!⚡🔀 #animation #shorts #electronic
20.4K views2 months ago
YouTubeI am Scientific
1:05
usa vs jamaica womens 4×100metre relay #trackandfield #athletics
145K views4 weeks ago
YouTubeSports Academics
0:21
Australia 🇦🇺 is the 2025 UCI Team Time Trial Mixed Relay World Champio…
16.2K views1 month ago
YouTubeUCI
See more videos
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Shop Relay DIY

Sponsored
About our ads
$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
128
$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
128
$31.56
$32.74
ES32A08 DC 12V 24V Multifunction ESP32 Ethernet Network Relay DIY Expansion Wifi Digital Analog IO
Aliexpress
Free shipping
$31.56
$32.74
ES32A08 DC 12V 24V Multifunction ESP32 Ethernet Network Relay DIY Expansion Wifi Digital Analog IO
Aliexpress
Free shipping
$1.41
$3.93
DIYUSER 5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In
Aliexpress
64% off
$1.41
$3.93
DIYUSER 5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module In
Aliexpress
$3.97
$8.19
TUYA Basic Wifi Switch Relay Module DIY MINI Home Switch Smartlife APP Wireless Voice Remote Control
Aliexpress
Free shipping
51% off
$3.97
$8.19
TUYA Basic Wifi Switch Relay Module DIY MINI Home Switch Smartlife APP Wireless Voice Remote Control
Aliexpress
Free shipping
$29.99
Irhapsody Relay 12V 5-Pin 40/30AMP Automotive Relay Kit, SPDT 5-Prong Power Trim And Tilt Relay
Amazon.com
646
$29.99
Irhapsody Relay 12V 5-Pin 40/30AMP Automotive Relay Kit, SPDT 5-Prong Power Trim And Tilt Relay
Amazon.com
646
$29.99
FASTSTORM Electric Fuel Pump Relay Kit 12V Relay Bypass Switch Kit Fuel Pump Relay Wiring Harness Kit 60 Amp Waterproof Relay Kit Fit 12V System Heavy
Amazon.com
10
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FASTSTORM Electric Fuel Pump Relay Kit 12V Relay Bypass Switch Kit Fuel Pump Relay Wiring Harness Kit 60 Amp Waterproof Relay Kit Fit 12V System Heavy
Amazon.com
10
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5-12V 20A PWM Relay Switch 1 Channel Servo Signal LED Indicate DIY Electronic Kit For Aircraft
Aliexpress
29% off
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5-12V 20A PWM Relay Switch 1 Channel Servo Signal LED Indicate DIY Electronic Kit For Aircraft
Aliexpress
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino MCU DIY Kit
Aliexpress
$1.06
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino MCU DIY Kit
Aliexpress
$19.99
Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch With Harness Heavy Duty 12&16 AWG Tinned Copper Wires, SPDT Automotive Relay Kit For
Amazon.com
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Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch With Harness Heavy Duty 12&16 AWG Tinned Copper Wires, SPDT Automotive Relay Kit For
Amazon.com
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DIYTZT 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low
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DIYTZT 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low
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Mini Smart Wifi Relay Switch, DIY Timer Light Switch Module Smart Life/Tuya Application, Wireless
Aliexpress
52% off
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$9.03
Mini Smart Wifi Relay Switch, DIY Timer Light Switch Module Smart Life/Tuya Application, Wireless
Aliexpress
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
357
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
357
$1.26
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Diymore 5V / 9V / 12V / 24V 4 Channel Relay Module Shield With Optocoupler High & Low Lever Trigger
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Diymore 5V / 9V / 12V / 24V 4 Channel Relay Module Shield With Optocoupler High & Low Lever Trigger
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AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
129
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
129
$6.04
$10.98
Tuya 16A MINI Wifi Switch DIY 2-Way Control Timer Switches Relay Power Monitor Smart Life Work With
Aliexpress
Free shipping
44% off
$6.04
$10.98
Tuya 16A MINI Wifi Switch DIY 2-Way Control Timer Switches Relay Power Monitor Smart Life Work With
Aliexpress
Free shipping
$11.99
AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
Amazon.com
254
$11.99
AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
Amazon.com
254
$59.06
100-240-Volt Smart Switch Module DIY Light Relay Remote Control Compatible With Alexa Siri Google (1-Pack)
Home Depot
Free shipping
$59.06
100-240-Volt Smart Switch Module DIY Light Relay Remote Control Compatible With Alexa Siri Google (1-Pack)
Home Depot
Free shipping
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
299
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
299