DIY Arduino Frequency Counter V1 0

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Make your own frequency counter with arduino uno or nano.
To test the frequencycounter there is a 1kHz -_-_-_ signal on the outputpin (4) (connect inputpin(3) to (4) )
I use the counter with a H501 hallsensor to measure the rotorspeed of a mendocino pulse motor.
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Great project, I've only got a couple of those LED boards, so might do this with an ILI9341 or something. Very useful for pulse motors. NSNS would suit nearly all Hall sensors.

Slider
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is this possible with car charger and spherical magnet? becouse my magnets stucks inside the coil and doas not spin

Zavarkinas
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awesome video, I have question, can you extend display size, I used three MAX7219 thus Number or character be big size. Please give solution sir, thanks you

sahalasolusiindustri
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impressive! I thought that it was blowing machine. It was you right?

EunchanPark