Relay Modules

17 products

Relay modules for switching high-power loads from your microcontroller. Available in 1, 2, 4 and 8 channel configurations at 5V, 12V and 24V coil voltages. Arduino and Raspberry Pi compatible.

ShillehTek 1-Channel 24V Relay Module with blue relay and screw terminals

1-Channel 5V Relay Board for Arduino & Raspberry Pi
$5.79
Red circuit board with four blue relays and blue terminal blocks ShillehTek 4-Channel 12V Relay Module Board

4-Channel 12V Relay Module Board for Arduino & Raspberry Pi
$7.50
ShillehTek 2-channel 24V relay module with blue relay switches on red board

2-Channel 12V Relay Module for Arduino & Raspberry Pi
$5.50
ShillehTek 1-Channel 24V Relay Module with blue relay and screw terminals

1-Channel 24V Relay Module for Arduino & Raspberry Pi
$6.25
ShillehTek 1-Channel 24V Relay Module with blue relay and screw terminals

1-Channel 12V Relay Module for Arduino & Raspberry Pi
$5.80
4-channel programmable relay module with blue relays and digital display ShillehTek

4-Channel Programmable Relay Module 6-24V DC Trigger Delay Timer & Motor Reversing Controller
$15.99
ShillehTek W1209 12V digital temperature controller module with sensor probe attached

W1209 12V Digital Temperature Controller Thermostat Module
$6.99
ShillehTek 8-channel 24V relay module with blue relays on red PCB

8-Channel 12V Relay Module for Arduino & Raspberry Pi
$9.99
ShillehTek 8-channel 24V relay module with blue relays on red PCB

8-Channel 5V Relay Module for Arduino & Raspberry Pi
$9.99
ShillehTek 2-channel 24V relay module with blue relay switches on red board

2-Channel 24V Relay Module for Arduino & Raspberry Pi
$6.50
433MHz 12V 1-Channel Relay Module and black wireless remote key fob

433MHz 12V 1-Channel Relay Module with Wireless Remote
$9.99
ShillehTek 8-channel 24V relay module with blue relays on red PCB

8-Channel 24V Relay Module for Arduino & Raspberry Pi
$9.99
ShillehTek 4-channel 24V relay module with blue relays and red circuit board

4-Channel 5V Relay Module for Arduino & Raspberry Pi
$7.50
Top view of ShillehTek 24V 2-channel relay board showing connection terminals

2-Channel 5V Relay Module for Arduino & Raspberry Pi
$6.25
AC 220V 1-Channel Time Delay Relay Module with digital display and wiring

AC 220V 1-Channel Time Delay Relay Module
$9.99
top view USB Control Module 1-Channel 5V Relay Module with blue relay and USB port

USB Control Module 1-Channel 5V Relay Module (No Driver Needed)
$6.99
ShillehTek 4-channel 24V relay module with blue relays and red circuit board

4-Channel 24V Relay Module for Arduino & Raspberry Pi
$7.50