1 Kanal 5V Relaismodul Schild für Arduino Uno 1280 2560 ARM PIC AVR DSP STM32
2,07 €
1 Channel 5V Relay Module Shield. 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.
Jetzt bei Ebay:
