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Topic: Burned an 8x8 dot matrix (Read 7442 times) previous topic - next topic


Are you absolutely 100% certain that you used a 27K resistor and not a 27R resistor?
27K - red violet orange
27R - red violet black


Ok so I found my error and I need to apologize for having taking your time for such a mistake!

At least I hope you'll laugh :-).

I add already some experiment on my breadboard, so I rotate it from 90°C then I connected the resistors on the breadboard but in such a way that the current didn't go through them but directly through the breadboard, effectively burning the LEDs.

At least I bought two of them because I was expecting something like that... I learned quite a few things (stop on the first burned thing, and think TWICE, check the data of the manufacturer etc).

Thank you all for your help.

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