Hello everybody

I'm going to connect a lot of LEDs, with the driver 74hc595 but my question is if it needs a external power sourcing or not, and why? thanks for reading :)
ago in Wiring, Powering by

1 Answer

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Edgar,
Please read this page first, and estimate all needed power and current for all devices:
http://simvim.com/tips_power.html
Vlad
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