This proof-of-concept is just waiting for you to put it to good use. [Mike Tsao] wrote an Arduino sketch that lets him decode incoming audio data which could be used to program the device. He&#8217… ...

Continue reading “A Hard Rocking Arduino Visualization Shield” → Posted in Arduino Hacks , Musical Hacks Tagged adc , audio meter , guitar pedal , led matrix , MCP6002 Search ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...