5V 1 Channel Relay Module for Arduino Uno Meage 2560 1280 ARM PIC AVR DSP
2,45 €
1PC 1 Channel 5V Relay Module Shield. VCC: Power interface, 5V. With power and relay action indication, bright when connect and go off when disconnects. In a word, it is a way of short circuit trigger between signal input and GND negative pole.
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