Arduino Tutorial #2 - Extended - PWM, ADC, LED Brightness, Signal Processing, Ref Voltage

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In the extended series I discuss some of the concepts that affect the circuits of the main tutorials. Make sure to watch the tutorials first:

Make sure to comment, rate and subscribe to my channel; stay tuned for more tutorials.

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hey vlad, just a suggestion, make separate tutorials of these concepts 
one of ADC and include implementation on arduino, similarly for PWM

nice work, keep it up ;)

falconboy
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Sorry but 1, 25 / 2 isn't 0, 5125 XD but 0, 625 at Minute 3:27

alanjesswein
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reminded me of 390 defense "eye works as a LPF" 

falconboy
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Do you know what a low pass filter is? Would PWM to the eye be a high pass not a low pass filter? Mixing analog and digital thinking is going to bite you.

crocellian
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All it is the wider the pulse the bright it is(more 'ON') and less wider the pulse the dimmer it gets (more 'OFF')

RideGlideLife
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Very Clear Explanations !
Could you please demonstration PWM method for generating a variable frequency sine wave using arduino?
I am very new to hardware design. Much appriciate if you can help me out! 

dwayneshu
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One question no one can seem to answer: What is the best frequency to use with LED, motors, or anything other device when using PWM?

alexthepunk
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How to amplify the output led voltage of a arduino

melroyfernandes
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