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4-Channel 5V Relay Module
$11.99
The Relay module allows a wide range of microcontrollers such as Arduino, AVR, PIC, ARM with digital outputs to control larger loads and devices like AC or DC Motors, electromagnets,...
8-Channel 5V Relay Module
$12.99
This is a 5V 8-Channel Relay interface board, Be able to control various appliances and other equipment with large current. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino,...