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Topic: Led panel (Read 1 time) previous topic - next topic

fewe


Where are the resistors! You need about 270R in line with each column.
You never said this was a charleyplexing circuit, you drive those very differently from a normal matrix.


I'll try that but I tried putting 10k resistors on each column to be sure but it didn't so AFAIK a 270R will give the same result.

BTW sorry for the delayed answer

Grumpy_Mike

Quote
but I tried putting 10k resistors on each column

That will give you 0.5mA to share between all the LEDs I would be surprised if you can see anything with that.

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