Shop Relay Modules GPIO

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$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$29.99
Industrial With Opto-Coupler Isolation GPIO Relay 3-24V Level Control 5-32V Power Supply With ABS DIN Rail Housing High And Low Level Dual Mode (4-
Amazon.com
$29.99
Industrial With Opto-Coupler Isolation GPIO Relay 3-24V Level Control 5-32V Power Supply With ABS DIN Rail Housing High And Low Level Dual Mode (4-
Amazon.com
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$28.90
Ultra-Small GPIO Terminal Block Breakout Board Module For Arduino Mega-2560
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38
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Ultra-Small GPIO Terminal Block Breakout Board Module For Arduino Mega-2560
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$17.27
For Raspberry Pi Power Relay Board Expansion Board Module Three Channel(3-Ch) For Raspberry Pi A+/B+/2B/3B/3B+/4B Loads Up To 250VAC/5A,30VDC/5A
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For Raspberry Pi Power Relay Board Expansion Board Module Three Channel(3-Ch) For Raspberry Pi A+/B+/2B/3B/3B+/4B Loads Up To 250VAC/5A,30VDC/5A
Amazon.com
$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
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
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$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
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$12.63
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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$3.54
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board With Optocoupler Support High And
AliExpress
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1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board With Optocoupler Support High And
AliExpress
$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
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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333
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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$29.97
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$29.97
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
$11.98
Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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$11.98
Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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$57.99
Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,
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Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,
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ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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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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Pirelay 6 Power Relay Module For Raspberry Pi, 6 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/
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Pirelay 6 Power Relay Module For Raspberry Pi, 6 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/
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$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
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$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
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1315550000 Weidmuller U-Remote I/O Module, IP20, Digital Signals, Output, Relay
Onlinecomponents.com
$131.33
1315550000 Weidmuller U-Remote I/O Module, IP20, Digital Signals, Output, Relay
Onlinecomponents.com
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DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
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DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
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$3.14
DC 3V 5V 24V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For Arduino AVR
AliExpress
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DC 3V 5V 24V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For Arduino AVR
AliExpress
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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5V 12V1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
AliExpress
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5V 12V1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
AliExpress
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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)
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28
$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)
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$24.15
GEYA 4C/8C/16C Plug In Type Relay Module 1SPDT 1NC1NO Relay Module For AC DC 12V 24V 220V PLC Relay
AliExpress
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$24.15
GEYA 4C/8C/16C Plug In Type Relay Module 1SPDT 1NC1NO Relay Module For AC DC 12V 24V 220V PLC Relay
AliExpress
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
Amazon.com
30
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
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$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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4 SPDT 10Amp Power Relay Module For Raspberry Pi Etc Iot Project, DC5V Version
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4 SPDT 10Amp Power Relay Module For Raspberry Pi Etc Iot Project, DC5V Version
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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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106
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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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$19.89
788-304 WAGO Relay Module, 24 VDC Nominal Input Voltage
Valin Process Control Solutions
$19.89
788-304 WAGO Relay Module, 24 VDC Nominal Input Voltage
Valin Process Control Solutions
$43.19
TUOPUONE Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface Multi Isolation Protection Circuits 736V Power Supplysafe
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TUOPUONE Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface Multi Isolation Protection Circuits 736V Power Supplysafe
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$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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307
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$7.81
$11.00
Modbus Rtu 8 Channel Relay Module 485 TTL Communication 8-Channel Input Relay Module Relay Output
AliExpress
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Modbus Rtu 8 Channel Relay Module 485 TTL Communication 8-Channel Input Relay Module Relay Output
AliExpress
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1/2/4/6/8 Channel Relay Module With Optocoupler 5V/12V/24V Relay Module With Indicator Light For
AliExpress
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1/2/4/6/8 Channel Relay Module With Optocoupler 5V/12V/24V Relay Module With Indicator Light For
AliExpress
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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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$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
Remote RasPi GPIO control
Remote RasPi GPIO control
623 viewsNov 28, 2020
hackaday.io
ESP32 Relay Module - Control AC Appliances (Web Server) | Random Nerd Tutorials
ESP32 Relay Module - Control AC Appliances (Web Server) | Rando…
Dec 18, 2019
randomnerdtutorials.com
ESP8266 NodeMCU Relay Module - Control AC Appliances (Web Server) | Random Nerd Tutorials
6:09
ESP8266 NodeMCU Relay Module - Control AC Appliances (Web Serv…
Dec 18, 2019
randomnerdtutorials.com
How Ultra Thin Relay Modules Work with DIN Rail Power Switch and Sensors #electrician #electricianlife #electricity #electric #electronics #electrical #electricidad #electricalengineering #ElectronicMusic #reelschallenge #reelsviralfb #reelstrending #reelsfypシ #reelsfbシ #reelsvideoシ #reelsviralシ #reelsfb #reelsvideo #reelsviral | 𝐄𝐥𝐞𝐜𝐭𝐫𝐨𝐧𝐢𝐜 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬
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How Ultra Thin Relay Modules Work with DIN Rail Power Switch and S…
39.2K viewsFeb 11, 2025
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MSD Performance's new line of relay modules is an affordable and efficient solution for controlling high voltage and current electronics in vehicles. With single, dual, and 4 channel options available, these modules are designed to simplify wiring and installation in most automotive electrical systems. They offer independent 40A outputs and configurable single-wire activation, along with LED status indicators and low profile JCASE fuses for protection. The plastic cover of the relay housing ensu
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113.2K viewsMar 8, 2023
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Raspberry Pi: 8 Channel Relay step-by-step with software examples for automation
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Raspberry Pi: 8 Channel Relay step-by-step with software examples fo…
818.7K viewsMay 25, 2014
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2 Channel USB Powered Relay Module
2 Channel USB Powered Relay Module
Aug 16, 2020
numato.com
Interface Relay Module With NodeMCU
Interface Relay Module With NodeMCU
99.6K viewsSep 30, 2020
instructables.com
Learn how to work with internal #relays in an #Arduino PLC by watching the video below... 👇👇 ...and read the following post to know more about the internal relays of an #industrialPLC: 📝 https://buff.ly/3fdE8zn #opensource | Industrial Shields
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Driving a Relay With an Arduino
Driving a Relay With an Arduino
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Controlling a Solenoid with Raspberry Pi and a Relay - Tutorial Australia
Controlling a Solenoid with Raspberry Pi and a Relay - Tutoria…
Feb 16, 2023
core-electronics.com.au
Interfacing Relay with Raspberry Pi: A Beginner's Guide | Robu.in
Interfacing Relay with Raspberry Pi: A Beginner's Guide | Robu.in
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robu.in
ESP32-S3 Getting Started I ESP32-S3 Board | Camera, PSRAM, USB-OTG & Hardware Explained
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Shop Relay Modules GPIO

Sponsored
About our ads
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$29.99
Industrial With Opto-Coupler Isolation GPIO Relay 3-24V Level Control 5-32V Power Supply With ABS DIN Rail Housing High And Low Level Dual Mode (4-
Amazon.com
$29.99
Industrial With Opto-Coupler Isolation GPIO Relay 3-24V Level Control 5-32V Power Supply With ABS DIN Rail Housing High And Low Level Dual Mode (4-
Amazon.com
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$28.90
Ultra-Small GPIO Terminal Block Breakout Board Module For Arduino Mega-2560
Amazon.com
38
$28.90
Ultra-Small GPIO Terminal Block Breakout Board Module For Arduino Mega-2560
Amazon.com
$17.27
For Raspberry Pi Power Relay Board Expansion Board Module Three Channel(3-Ch) For Raspberry Pi A+/B+/2B/3B/3B+/4B Loads Up To 250VAC/5A,30VDC/5A
Amazon.com
25
Free shipping
$17.27
For Raspberry Pi Power Relay Board Expansion Board Module Three Channel(3-Ch) For Raspberry Pi A+/B+/2B/3B/3B+/4B Loads Up To 250VAC/5A,30VDC/5A
Amazon.com
$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
$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
$12.63
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$12.63
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$1.77
$3.54
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board With Optocoupler Support High And
AliExpress
50% off
$1.77
$3.54
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board With Optocoupler Support High And
AliExpress
$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
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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333
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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$29.97
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$29.97
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
$11.98
Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
Amazon.com
$11.98
Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
Amazon.com
$57.99
Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,
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$57.99
Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,
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$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$7.01
$7.97
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
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$7.01
$7.97
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
$19.99
Pirelay 6 Power Relay Module For Raspberry Pi, 6 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/
Amazon.com
$19.99
Pirelay 6 Power Relay Module For Raspberry Pi, 6 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/
Amazon.com
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct