Recently I’ve been working on a RFID identification solution for a new project at University of Aveiro. Our first approach will be through Arduino and the Son Micro SM130 RFID module. At first, the Arduino seemed quite simple and effective …
Tag Archive: electronics
Permanent link to this article: http://ricardo-dias.com/2012/03/17/sm130-rfid-reader-and-arduino/
Mar
14
How to identify the polarity of a LED
Here I present 3 different ways to identify any LED’s polarity. I hope this is useful for people who are starting to work with LEDs.
Permanent link to this article: http://ricardo-dias.com/2010/03/14/how-to-identify-the-polarity-of-a-led/