Shop arduino relay switch

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$17.49
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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$17.49
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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Notifier FRM-1 - Control Relay Module
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Notifier FRM-1 - Control Relay Module
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AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
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AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
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Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
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Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
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Sainsmart 16-Channel 9-36V USB Relay Module
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Sainsmart 16-Channel 9-36V USB Relay Module
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Valefod DC 12V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
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Valefod DC 12V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
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Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
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Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
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Ferwooh 3PCS DC 5V 2Ma 1 Channel Relay Module Board Shield Extension Board Relay Plate Low Level Trigger AC 250V/10A, DC 30V/10A
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Ferwooh 3PCS DC 5V 2Ma 1 Channel Relay Module Board Shield Extension Board Relay Plate Low Level Trigger AC 250V/10A, DC 30V/10A
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Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V
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Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V
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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
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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
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5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
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5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
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TSX00003 ARDUINO - Panel Accessories & Relay/Socket Supplies
Radwell.com
$31.70
TSX00003 ARDUINO - Panel Accessories & Relay/Socket Supplies
Radwell.com
$26.57
8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32
Etsy
$26.57
8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32
Etsy
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$119.97
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
41
Free shipping
$119.97
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
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$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
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6
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$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
6
$12.90
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MHCOZY Wifi Wireless Smart Switch Relay Module For Smart Home 5V 5V/12Vba Applied To Access Control, Turn On PC, Garage Door (1CH Smart Life App)
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337
$12.90
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MHCOZY Wifi Wireless Smart Switch Relay Module For Smart Home 5V 5V/12Vba Applied To Access Control, Turn On PC, Garage Door (1CH Smart Life App)
Amazon.com
337
$77.00
Relay/analog Combo Module: 5-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14968050)
Automation Direct
$77.00
Relay/analog Combo Module: 5-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14968050)
Automation Direct
$18.99
Dieserc 2 Channels Wireless Relay Remote Control Switch 433Mhz RF DC 5V 12V 24V 30V 10A Relay Receiver With 2 Transmitters Keyfob, Big Terminal Easy
Amazon.com
96
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Dieserc 2 Channels Wireless Relay Remote Control Switch 433Mhz RF DC 5V 12V 24V 30V 10A Relay Receiver With 2 Transmitters Keyfob, Big Terminal Easy
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96
$63.99
HKM-953043 24V Single Channel Relay Module For Arduino - High-Quality Control With Photocoupling Isolation
Hekomart.com
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HKM-953043 24V Single Channel Relay Module For Arduino - High-Quality Control With Photocoupling Isolation
Hekomart.com
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Alinan 6Pcs XH-M131 DC 5V 10A Photoresistor Relay Module, Light Control Switch Photoresistor Relay Module Detection Sensor Automatic Light Control
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5
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Alinan 6Pcs XH-M131 DC 5V 10A Photoresistor Relay Module, Light Control Switch Photoresistor Relay Module Detection Sensor Automatic Light Control
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5
$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
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3V 5V 9V 12V Relay Micro Control Switch Spdt Pcb 5 Pin Packs Of 1, 2,
eBay
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3V 5V 9V 12V Relay Micro Control Switch Spdt Pcb 5 Pin Packs Of 1, 2,
eBay
$67.00
Relay Output Module: 3-pt, 250 VAC/30 VDC (PN# GS30A-03TRA)
Automation Direct
$67.00
Relay Output Module: 3-pt, 250 VAC/30 VDC (PN# GS30A-03TRA)
Automation Direct
How to Set Up a 5V Relay on the Arduino
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Shop arduino relay switch

Sponsored
About our ads
$17.49
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$17.49
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$53.96
Notifier FRM-1 - Control Relay Module
Amazon.com
13
Free shipping
$53.96
Notifier FRM-1 - Control Relay Module
Amazon.com
13
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
113
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
113
$9.99
Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
Amazon.com
$9.99
Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
Amazon.com
$31.99
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
30
20% off
$31.99
$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
Amazon.com
30
$12.99
Valefod DC 12V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
Amazon.com
418
$12.99
Valefod DC 12V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
Amazon.com
418
$12.98
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$12.98
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$5.98
Ferwooh 3PCS DC 5V 2Ma 1 Channel Relay Module Board Shield Extension Board Relay Plate Low Level Trigger AC 250V/10A, DC 30V/10A
Amazon.com
7
$5.98
Ferwooh 3PCS DC 5V 2Ma 1 Channel Relay Module Board Shield Extension Board Relay Plate Low Level Trigger AC 250V/10A, DC 30V/10A
Amazon.com
7
$20.38
Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V
Amazon.com
$20.38
Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V
Amazon.com
$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
$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
$1.58
5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$1.58
5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$31.70
TSX00003 ARDUINO - Panel Accessories & Relay/Socket Supplies
Radwell.com
$31.70
TSX00003 ARDUINO - Panel Accessories & Relay/Socket Supplies
Radwell.com
$26.57
8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32
Etsy
$26.57
8 Channel I2C Electromagnetic Relay Module Arduino Raspberry ESP8266 ESP32
Etsy
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$119.97
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
41
Free shipping
$119.97
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
41
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
6
Free shipping
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
6
$12.90
$13.90
MHCOZY Wifi Wireless Smart Switch Relay Module For Smart Home 5V 5V/12Vba Applied To Access Control, Turn On PC, Garage Door (1CH Smart Life App)
Amazon.com
337
$12.90
$13.90
MHCOZY Wifi Wireless Smart Switch Relay Module For Smart Home 5V 5V/12Vba Applied To Access Control, Turn On PC, Garage Door (1CH Smart Life App)
Amazon.com
337