Archives For LED interface

Aurora mini 18 LED Project

December 3, 2011 — 1 Comment

My obsession of this year is full-color LED. I have made Aurora 9×18 as a result. As much as I love the scale of Aurora 9×18, I also wanted to have something smaller, perhaps something that can go on a costume?
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LED interface on I/O ports

February 7, 2011 — 1 Comment

Connect LED to I/O port with 220k resistor and 5V power supply. Connect cathode of LED to pin port and anode with resistor. You can still connect LED without resistor also but performance will not be good on those case becasue we are not limiting current to diode(LED). Continue Reading…