L.E.D Matrix for Arduino

369

02:57:11

A L.E.D Matrix requiring 0.025A L.E.Ds and NPN transistors as the main components. Connect the 80Ω resistors and the 172Ω resistors to a digital pin (5V) to write. Use the same circuitry if you would like to make it bigger.

published 6 years ago

lenzrulz

6 years ago

Very nice, same circuit tidied up: http://everycircuit.com/circuit/6390171088715776

Randomplayer

6 years ago

I forgot to mention you need 3VDC L.E.Ds

Randomplayer

6 years ago

Thanks lenrulz for tidying it up, I didn't know you could put all the grounds together.

lenzrulz

6 years ago

You’re welcome...👍

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