Control Relay Raspberry Pi(3)
Uses item details. Price when purchased online
12V Rain Detection Sensor Module for Raspberry Pi Adjustable Sensitivity with Relay Control for Weather Monitoring $12.98

$1298
current price $12.9812V Rain Detection Sensor Module for Raspberry Pi Adjustable Sensitivity with Relay Control for Weather Monitoring
5pcs 5V Single 1 Channel Relay Module Board Shield for Arduino for Raspberry Pi $7.09

$709
current price $7.095pcs 5V Single 1 Channel Relay Module Board Shield for Arduino for Raspberry Pi
Treedix DC 5V Channel Relay Board Module Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered Compatible with Arduino Raspberry Pi From $7.99

4 options
Available in additional 4 optionsFrom$799
Treedix DC 5V Channel Relay Board Module Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered Compatible with Arduino Raspberry Pi
Other options to consider(59)
5V USB Relay 1 Channel Programmable Computer Control For Smart Home US Ship $6.17

$617
current price $6.175V USB Relay 1 Channel Programmable Computer Control For Smart Home US Ship
Elowen Relay Module 5V USB Control Switch 2 Channel Relay Module, Military Grade PCB, High Performance USB Chip, XP 32-bit Support, Small Size and Lightweight, Easy to Use without Driver $9.71

$971
current price $9.71Elowen Relay Module 5V USB Control Switch 2 Channel Relay Module, Military Grade PCB, High Performance USB Chip, XP 32-bit Support, Small Size and Lightweight, Easy to Use without Driver
Riousery USB Relay Module MCU PC Smart Control Switch Jog Self Locking Serial Port 2.75 inches / 7 cm $11.86

$1186
current price $11.86Riousery USB Relay Module MCU PC Smart Control Switch Jog Self Locking Serial Port 2.75 inches / 7 cm
Suodoka 8-Channel 5V Computer USB Intelligent Control Switch Relay Module Free Driver PC Intelligent Control Switch (3.9 x 3.1 x 0.7 Inches / 10 x 8 x 2 cm) $15.07

$1507
current price $15.07Suodoka 8-Channel 5V Computer USB Intelligent Control Switch Relay Module Free Driver PC Intelligent Control Switch (3.9 x 3.1 x 0.7 Inches / 10 x 8 x 2 cm)
Clearance Necvior Switches Controller 4 Channel USB Relays Module 5V 12V 24V for PC Automation Was $14.38

Necvior Switches Controller 4 Channel USB Relays Module 5V 12V 24V for PC Automation
Suodoka USB Drive Free Relay Module 8 Channel 5V Stable Intelligent Control Relay Board for Mechatronics, Plug and Play Computer Smart Switch, 1 Pack $14.81

$1481
current price $14.81Suodoka USB Drive Free Relay Module 8 Channel 5V Stable Intelligent Control Relay Board for Mechatronics, Plug and Play Computer Smart Switch, 1 Pack
Osfvolr DC5V Single-Channel Bluetooth WiFi Relay Module: Momentary-to-Hold, MicroLink APP Control with Type-C Interface $10.29

$1029
current price $10.29Osfvolr DC5V Single-Channel Bluetooth WiFi Relay Module: Momentary-to-Hold, MicroLink APP Control with Type-C Interface
5V Relay Switch Module Compatible with Arduino, AVR, PIC, ARM, Smart Home Control $10.75

$1075
current price $10.755V Relay Switch Module Compatible with Arduino, AVR, PIC, ARM, Smart Home Control
CIYISON 4 Channel USB Relays Module 5V 12V 24V Intelligent Controller for PC Automation

CIYISON 4 Channel USB Relays Module 5V 12V 24V Intelligent Controller for PC Automation
Tibvox 12V 8 Channel USB Relays Module Programmable Computer Control USB Control Switches $18.54

$1854
current price $18.54Tibvox 12V 8 Channel USB Relays Module Programmable Computer Control USB Control Switches
Yajisi 2 Channel 5V USB Relay Module Smart Serial Control Intelligent Optical Coupling Protecting Switch with TYPE C Interface, 3.15 inches / 8 cm $20.14

$2014
current price $20.14Yajisi 2 Channel 5V USB Relay Module Smart Serial Control Intelligent Optical Coupling Protecting Switch with TYPE C Interface, 3.15 inches / 8 cm
ESP8266 WiFi Relay Module 4 Channel, 5V/12V WiFi Remote Control Relay Board with TCP/IP Protocol for Arduino Smart Home IoT Projects (4S)

ESP8266 WiFi Relay Module 4 Channel, 5V/12V WiFi Remote Control Relay Board with TCP/IP Protocol for Arduino Smart Home IoT Projects (4S)
Rupoun 5V USB Control Switch 2 Channel Relay Module PC Intelligent Computer System Controller 10A 250VAC 30VDC Compact Circuit Board 2.2 inches 56.5 mm High Reliability Electrical Equipment Blue $11.14

$1114
current price $11.14Rupoun 5V USB Control Switch 2 Channel Relay Module PC Intelligent Computer System Controller 10A 250VAC 30VDC Compact Circuit Board 2.2 inches 56.5 mm High Reliability Electrical Equipment Blue
USB Relays 12V 12V 8-Channel Computer USB Controller Switches Relays Module PC Controller Relays Controller Module USB R $18.67

$1867
current price $18.67USB Relays 12V 12V 8-Channel Computer USB Controller Switches Relays Module PC Controller Relays Controller Module USB R
AC 85-250V USB 5V Wifi Relay Switch 4 Channel Wireless Smart Module Work with App Control,1 x 4CH Smart Switch Module,Green $16.79

$1679
current price $16.79AC 85-250V USB 5V Wifi Relay Switch 4 Channel Wireless Smart Module Work with App Control,1 x 4CH Smart Switch Module,Green
2-Channel WIFI Relay Module 30A ESP32-WROOM-32E Development Board Module for Smart Home Wireless Control DC7-28/5V,1 x Relay module 2 x 6P double-row pins 1 x 6P single-row pins,Blue $15.39

$1539
current price $15.392-Channel WIFI Relay Module 30A ESP32-WROOM-32E Development Board Module for Smart Home Wireless Control DC7-28/5V,1 x Relay module 2 x 6P double-row pins 1 x 6P single-row pins,Blue
Oasiva K216+R503 Fingerprint Control Board Relay for Remote Control Settings

Oasiva K216+R503 Fingerprint Control Board Relay for Remote Control Settings
Smart Remote Control Wifi Switch Module 4CH 7-32V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay,1 * Smart Switch,White $18.09

$1809
current price $18.09Smart Remote Control Wifi Switch Module 4CH 7-32V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay,1 * Smart Switch,White
Rupoun 12V Relay Module High Power Microcontroller Development Board Electric Equipment 30A Household Appliance Control Switch, 10 Inches / 25.4 cm $12.32

$1232
current price $12.32Rupoun 12V Relay Module High Power Microcontroller Development Board Electric Equipment 30A Household Appliance Control Switch, 10 Inches / 25.4 cm
RS485 Modbus 8 Channel Relay Module with Case 9-24V TYPE-C WIFI Bluetooth Support Modbus $28.43

$2843
current price $28.43RS485 Modbus 8 Channel Relay Module with Case 9-24V TYPE-C WIFI Bluetooth Support Modbus
250V/10A 1 Channel SPDT Power Relay Module 5V Control for Arduino DIY PIC AVR DSP ARM MCU $6.39

$639
current price $6.39250V/10A 1 Channel SPDT Power Relay Module 5V Control for Arduino DIY PIC AVR DSP ARM MCU
APP WiFi Switch Smart Controller Module 4 Channels Wifi Switch Relay AC 85-250V USB5V Remote Control $16.16

$1616
current price $16.16APP WiFi Switch Smart Controller Module 4 Channels Wifi Switch Relay AC 85-250V USB5V Remote Control
Rupoun 1-Way WiFi Relay Module 12V ESP8266 Wireless Remote Control Switch for Android Mobile Phone APP Intelligent Home Automation IoT Component Electrical System Relays (4.72 inches / 12 cm)

Rupoun 1-Way WiFi Relay Module 12V ESP8266 Wireless Remote Control Switch for Android Mobile Phone APP Intelligent Home Automation IoT Component Electrical System Relays (4.72 inches / 12 cm)
Osfvolr 2X Smart Remote Control Wifi Switch Module 4CH 7-32V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay $29.39

$2939
current price $29.39Osfvolr 2X Smart Remote Control Wifi Switch Module 4CH 7-32V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay
Rupoun 16-Channel 12V Relay Module Interface Control Board with Optocoupler Protection, 7.09 inches / 180 mm $18.15

$1815
current price $18.15Rupoun 16-Channel 12V Relay Module Interface Control Board with Optocoupler Protection, 7.09 inches / 180 mm
Rupoun 6 Channel USB Relay Module Modes Adjustable HID Drive Free USB Relay Board for Home Farm 24V $17.44

$1744
current price $17.44Rupoun 6 Channel USB Relay Module Modes Adjustable HID Drive Free USB Relay Board for Home Farm 24V
Rupoun 1-Way WiFi Relay Module for Android Mobile Phone APP Wireless Remote Control Switch 5V ESP8266 Smart Home Automation Electrical System Relay Component $10.96

$1096
current price $10.96Rupoun 1-Way WiFi Relay Module for Android Mobile Phone APP Wireless Remote Control Switch 5V ESP8266 Smart Home Automation Electrical System Relay Component
Smart Remote Control Wifi Switch Module 4CH 7-32V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay $17.13

$1713
current price $17.13Smart Remote Control Wifi Switch Module 4CH 7-32V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay
Rupoun Multifunction 1 Channel DC 12V Delay Relay Controller LED Timer Switch Module Board for Smart Home PLC $12.42

$1242
current price $12.42Rupoun Multifunction 1 Channel DC 12V Delay Relay Controller LED Timer Switch Module Board for Smart Home PLC
Rupoun 12V 4 Channel Relay Module Control Board Switch Controller Accessory for Electronics $12.50

$1250
current price $12.50Rupoun 12V 4 Channel Relay Module Control Board Switch Controller Accessory for Electronics
NOVUS 8104221310 N1040i-RA USB RS485 24V Universal indicator 1 relay, 4-20mAout 48x48mm (1/16 DIN) $130.00

$13000
current price $130.00NOVUS 8104221310 N1040i-RA USB RS485 24V Universal indicator 1 relay, 4-20mAout 48x48mm (1/16 DIN)
Smart Remote Control Wifi Switch Module 4CH AC 85-250V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay $16.63

$1663
current price $16.63Smart Remote Control Wifi Switch Module 4CH AC 85-250V USB 5V Inching Self-Locking RF433 Receive 4 Way Relay
NOVUS 8102020010 N1020 USB RS485 Temperature controller, 1 relay out, 48x24mm(1/32 DIN) $145.00

$14500
current price $145.00NOVUS 8102020010 N1020 USB RS485 Temperature controller, 1 relay out, 48x24mm(1/32 DIN)
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