I bought this starter pack
http://learn.adafruit.com/32x16-32x32-rgb-led-matrix
and have gone through the tutorial. I am not sure if I did it right or have ruined it. I connect the arduino to my windows 7 box and run the program. If the 16*32 LED is connected with the 9V DC A/C Adapter it is really bright. But if it is connected just to the arduino using only usb power it looks like this:
. I connected it like this
What am I missing?
32*16 RGB starter pack
Moderators: adafruit_support_bill, adafruit
Please be positive and constructive with your questions and comments.
- adafruit_support_rick
- Posts: 35092
- Joined: Tue Mar 15, 2011 11:42 am
Re: 32*16 RGB starter pack
USB power through the Arduino is really not enough to drive the display.
You need a separate 5V 2A power supply for the display itself. Do NOT use your 9V supply - you will burn out the panel.
http://www.adafruit.com/products/276
You need a separate 5V 2A power supply for the display itself. Do NOT use your 9V supply - you will burn out the panel.
http://www.adafruit.com/products/276
Please be positive and constructive with your questions and comments.