I just got an LED display for my arduino mega. http://www.ebay.co.uk/itm/330811201937 How should I wire it? which pins are for which segments? and whats the voltage(maybe i should connect it to 3.3v out and then to digital while setting them as input?)?
This thread might help you:-
Here are some references on how to multiplex 7 segment displays:
http://www.extremeelectronics.co.in/pictutorials/images/SevenSegMux1.gif http://www.best-microcontroller-projects.com/image-files/seven-segmentx4.png http://arduino.cc/forum/index.php?topic=19776.0 http://www.instructables.com/id/Seven-Segment-Display-Tutorial/?ALLSTEPS
I Think this is the best one: http://learn.parallax.com/4-digit-7-segment-led-display-arduino-demo