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Arduino PWM input

MadG4mer
By MadG4mer
in Hobby Electronics
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I have little problems with the parts should I use with PWM input. I just cant figure out how to read higher voltage/current (5V/5A-8.5A) PWM signal from individually adressable RGB leds, in this case NZXT Hue+ ones. I dont know what resistors to use between mosfets and PWM outputs either. (Picture below)

 

Thank you!

 

Prototype.jpg

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Posted

It is not so clear to me what you are trying to accomplish. If you want to read in some way the voltage you could use the analogRead function via the pwm pins. Usually those pins are used for the pulseIn function though. And I'm not sure but 5-8.5A of current in the i/o pins could be too much, it would probably be, on arduino playground they talk about 40mA ... . If you need to read the current you might have to use an external module for arduino.

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