2 Channel 5V USB Relay Switch Module

Shop 2 Channel 5V USB Relay Switch Module

Sponsored

$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

$2.71

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)

Amazon.com

$2.71

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)

Amazon.com

$9.99

DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino

Amazon.com

$9.99

DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino

Amazon.com

$7.00

2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)

Amazon.com

$7.00

2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)

Amazon.com

$15.84

Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module

Amazon.com

$15.84

Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module

Amazon.com

$2.71

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)

Amazon.com

$2.71

5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)

Amazon.com

$7.52

Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip

Amazon.com

$7.52

Taidda USB Relay Module, Sturdy Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Control Chip

Amazon.com

$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

$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

$13.99

DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial

Amazon.com

$13.99

DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial

Amazon.com

$9.89

Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+

Amazon.com

1K+

$9.89

Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+

Amazon.com

$14.99

NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch

Amazon.com

$14.99

NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch

Amazon.com

$16.99

Easy Operation,1CH AC 85-250V USB 5V Relay Smart Switch Module,Wireless APP Remote Control,Works With Tuya Zigbee Gateway,Alexa,Google Home (Required

Amazon.com

$16.99

Easy Operation,1CH AC 85-250V USB 5V Relay Smart Switch Module,Wireless APP Remote Control,Works With Tuya Zigbee Gateway,Alexa,Google Home (Required

Amazon.com

$8.29

Ytgilo 2PCS 5V Micro USB Timing Relay DC6-30V With Digital LED Display MICRO Interface One Way Relay Module For Electronic Security Systems Industrial

Amazon.com

$8.29

Ytgilo 2PCS 5V Micro USB Timing Relay DC6-30V With Digital LED Display MICRO Interface One Way Relay Module For Electronic Security Systems Industrial

Amazon.com

$23.99

$25.99

Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X

Amazon.com

$23.99

$25.99

Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X

Amazon.com

$16.99

Zigbee 2 Channel 5V 12V Smart Relay Switch,Adjustable Self Lock And Momentary Interlock Working Mode,Works With Tuya Ewelink Zigbee Gateway, Alexa,

Amazon.com

$16.99

Zigbee 2 Channel 5V 12V Smart Relay Switch,Adjustable Self Lock And Momentary Interlock Working Mode,Works With Tuya Ewelink Zigbee Gateway, Alexa,

Amazon.com

$15.88

Zigbee 1CH AC 85-250V USB 5V Relay Smart Switch Module,Wireless APP Remote Control,Works With Tuya Zigbee Gateway,Alexa,Google Home (Required Zigbee

Amazon.com

$15.88

Zigbee 1CH AC 85-250V USB 5V Relay Smart Switch Module,Wireless APP Remote Control,Works With Tuya Zigbee Gateway,Alexa,Google Home (Required Zigbee

Amazon.com

$16.09

5V 8 Channel Solid State Relay Module High Level Trigger 2A Mini DIY Relay With For Industrial Controls

Amazon.com

Free shipping

$16.09

5V 8 Channel Solid State Relay Module High Level Trigger 2A Mini DIY Relay With For Industrial Controls

Amazon.com

$29.99

5V Usb Relay Module - 2 Channel Computer Control Switch For Smart

eBay

$29.99

5V Usb Relay Module - 2 Channel Computer Control Switch For Smart

eBay

$8.88

1PCS Micro USB Relay Module 5V 2 Channel Relay Module, Relay Control Panel. Chipselectronics. Chipsets.

eBay

$8.88

1PCS Micro USB Relay Module 5V 2 Channel Relay Module, Relay Control Panel. Chipselectronics. Chipsets.

eBay

$22.88

Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry

Amazon.com

$22.88

Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry

Amazon.com

$43.51

XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For

Amazon.com

Free shipping

$43.51

XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For

Amazon.com

$21.99

Zigbee 4CH DC7-32V USB 5V Relay Smart Switch Module,Wireless APP Remote Control With Inching/Self-Lock/Interlock Modleworks With Tuya Zigbee Gateway

Amazon.com

$21.99

Zigbee 4CH DC7-32V USB 5V Relay Smart Switch Module,Wireless APP Remote Control With Inching/Self-Lock/Interlock Modleworks With Tuya Zigbee Gateway

Amazon.com

$11.39

Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger

Amazon.com

$11.39

Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger

Amazon.com

$47.00

DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)

Amazon.com

Free shipping

$47.00

DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 12V, 8 Channels)

Amazon.com

$8.77

$9.97

JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects

Amazon.com

12% off

$8.77

$9.97

JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects

Amazon.com

$6.97

Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.

Amazon.com

$6.97

Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.

Amazon.com

$25.99

Zigbee 4CH DC7-32V USB 5V Relay Smart Switch Module,Wireless APP Remote Control With Inching/Self-Lock/Interlock Modle,Works With Tuya Zigbee Gateway,

Amazon.com

$25.99

Zigbee 4CH DC7-32V USB 5V Relay Smart Switch Module,Wireless APP Remote Control With Inching/Self-Lock/Interlock Modle,Works With Tuya Zigbee Gateway,

Amazon.com

$11.99

Dual USB Charging Port For LED Rocker Switch Panels - 4.2 Amps - 5V

Super Bright LEDs

$11.99

Dual USB Charging Port For LED Rocker Switch Panels - 4.2 Amps - 5V

Super Bright LEDs

$18.99

Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino

Amazon.com

$18.99

Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino

Amazon.com

$8.99

EC Buying 2Pcs 5V Relay Module 5V 1-Channel 30A With Optocoupler Isolation Module High And Low Level Trigger 5Ma Relay PCB

Amazon.com

$8.99

EC Buying 2Pcs 5V Relay Module 5V 1-Channel 30A With Optocoupler Isolation Module High And Low Level Trigger 5Ma Relay PCB

Amazon.com

$14.99

Newgoal 2 Channel Ewelink Wireless Switch With Enclosure Wifi Switch Module Remote Control DIY Smart Home Bluetooth Relay 5V/AC85V-250V Power Input

Amazon.com

414

$14.99

Newgoal 2 Channel Ewelink Wireless Switch With Enclosure Wifi Switch Module Remote Control DIY Smart Home Bluetooth Relay 5V/AC85V-250V Power Input

Amazon.com

$5.99

NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)

Amazon.com

$5.99

NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)

Amazon.com

$22.99

Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With

Amazon.com

$22.99

Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With

Amazon.com

$5.99

$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

40% off

$5.99

$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

$9.11

Huacaoe1ch Wifi Smart Switch Relay Module -10A Dry Contact Design For Garage Door/Home Automation, 7-32V DC & USB 5V Wide Voltage, Compatible With

Amazon.com

$9.11

Huacaoe1ch Wifi Smart Switch Relay Module -10A Dry Contact Design For Garage Door/Home Automation, 7-32V DC & USB 5V Wide Voltage, Compatible With

Amazon.com

$13.99

Microtivity 2 Channel SSR Solid State Relay Low Trigger 5A 5V DC-DC For Uno R3

Amazon.com

$13.99

Microtivity 2 Channel SSR Solid State Relay Low Trigger 5A 5V DC-DC For Uno R3

Amazon.com

2 Channel USB Powered Relay Module With GPIO | Numato Lab

Aug 16, 2020

numato.com

How to Set Up a 5V Relay on the Arduino

Nov 28, 2015

circuitbasics.com