MULTI-FUNCTION TWO CHANNEL RELAY SHIELD
Categories : SERIES 14 Module for Microcontroller ,  Experiment Board , 
Product description
This is the experimental board for Relay Controller as the fundamental controlling programming. It can be used to connect with sensors such as Temperature Controller, Moisture Indicator, Infrared Receiver Module, Ultrasonic Module. This circuit is adaptable and is able to upgrade to the other form of circuit such as Electronic Timer.
Technical Specification