Air Core Motor Arduino Control

In this video i'll be showing you how to use an arduino to control an old analog air core gauge motor. These things are cool when you get them working!

[@mitchellhine1914]

Thank you, I’ve been looking ages for this

[@MightyGimp]

What voltage range is supplied to the gauge coils? Could I provide a fixed voltage to each coil to move the gauge to a fixed position?

[@Enigma758]

You are only providing half wave. Also, since you are not reversing polarity, according to your diagram at 4:17 you are alway above 0 (ground), so you don't even need an h-bridge. I suggest reading the wikipedia page on air core gauges.

[@MightyGimp]

So, do a video showing how it’s done.

[@Enigma758]

@@MightyGimp Search for the article titled Driving an air core Speedometer Adrian Girling. It's a post in the Arduino forum. His code also has a link to a youtube video. The post tells you everything you need to know.

[@dodge73dart]

I have these motors in a gauge cluster. Would you be interested in taking a stab at solving a mystery about what is wrong with the speedometer? It registers say 60 when the actual speed is 30 and 100 at 60 etc. I have more info if your up to the challenge. Others are stumped. Thanks

[@Dutch3DMaster]

Check if increasing the PWM frequency helps (that is, if you are dealing with a sim-rig :P ). The default is around 490 Hz on some pins, and 392 on others. I am using a Kienzle 1318-27 speedometer and it uses the tone(); function so it is different, but some of the smaller gauges in my sim-rig respond much more accurate with higher PWM frequencies than with low ones (along with not "singing" as loudly as well :P ).

[@jacoannandale3307]

Is it possible to post the code ?

[@Nikolas_A]

+1, I'd like to have a look at the code too...

[@jacoannandale3307]

Thanks a Lot.

[@mannbapna1255]

Can u pls make a new arc reactor project the once you did like 11 yrs ago

[@johnger]

Hi, code please

[@sajidmohammad3190]

Good video with a bad thumbnail is very harmful 🙂