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Arduino General ( Beginner ) – Page 3 – Arduino – Forum

stan · 2017-02-18T22:52:59Z

Hi folks. I saw that all is talking about leds, strips, hard codings, shields, motors etc.. Thats not helping beginners. So i wanted to make a General About Arduino topic for beginners to ask simple "Starter Logic" questions before get more pro on arduino. As one of my friends said ;"There are no stupid questions! We all had to start at some point!"I m the first! Haha. Okay in my researches i see that we supply arduino via usb and dc jack and vcc pin and also 5v pin. Usb feeds a clear 5v to operate. Dc jack and vcc pin has 7v-12v need because they integrated via a voltage regulator which gives arduino a clear 5v also. But 5v pin which meant to give u an Output for ur devices can be also used as a voltage Input! Wow. Okay.. but its lil dangerous because 5v pin has no voltage regulator so u need to be sure u give a clean 5V to this pin to not to fry ur board. Here is the case; i see in some of projects people give 5v from 5V pin. But in an article its said they dont advice this. But only extetnal supply i cld find is 5v. And also this will feed my led strips too. so i feel i must feed arduino with this 5v pin. Do i need to afraid or what?

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[Solved] Arduino General ( Beginner )

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stan

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Topic starter February 22, 2017 3:29 AM

Surely we giving importance to the same things as safety first and surely my calculatins tell me the number of ga as 6-8ga but i doubt on taking 5V at the end of the wire. Thats my real concern cus i already calculated my wire need in Ga system

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