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Can Someone help me to program an arduino uno? Answered

I have an arduino uno and i wired a 3x3 led matrix to it. I really have no idea how to make any code for it to light up in any pattern or anything. I have the cathodes connected to pins 3,5,6. and the anodes connected to pins 9,10,11. Can anyone help show me a link or something that explains how to program it, or give me a sample code to use? thanks

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ejjenkins

5 years ago

There is an excellent example at:

http://www.tuline.com/dru/content/arduino-3x3-row-column-scan-led-matrix-pwm

written by Andrew Tuline.

Don't forget to use the resistors.

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texpertejjenkins

Answer 5 years ago

i found this link in my original search but when i upload it to my arduino, the whole matrix lights up and stays lit, no pattern or change, any suggestions?

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ejjenkinstexpert

Answer 5 years ago

Do you have your setup wired the same as the schematics?

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texpertejjenkins

Answer 5 years ago

I believe I do. I'm still pretty new to this. I have all the cathodes in each row connected to their own pin and all the abodes in a row connected to their own pin.