PWM digital potmeter v2

252

03:05:31

WARNING: I'm total noob, just playing around.

Converts Arduino PWM(5V) output to 0-3.3V analog.
Plan is to swap out a potmeter(5.2k) with the transistor in a remote control circuit(which controls a drone(CX-10) so I can control it through the Arduino). 220ohm resistance is the measured impedance of the MCU input. 

Built and tested, reaction time is super slow but works(warning! peak 3.3V at 220 PWM).

Ardunio starter kit compatible. That's why I had to use a 100uF cap instead of a 10uF.

"Usage": Change the width of the digital input.

published 8 years ago

csimpi

8 years ago

I've replaced the cap with a 10uF one and it is very responsive now, I can hover it with a xbox 360 controller. (I know it's super simple but this was/is my first ever project so I'm quite happy with the result)

csimpi

8 years ago

And kids, don't forget the 1M pull-down resistors.

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