Fuel Flow Gauge Demo #2

After spending a ton of time away from working on this, I finally got back to it! I had an issue with the original Arduino Nano (clone) I was using. Somehow the device was damaged and would no longer accept data coming from the serial port. This meant no uploading new code unless I used the ISP header on the Nano. After replacing the Nano, it's now working great! I've got a few calibration issues to work out and I'd like to damp out the sound the air core motor is making, but all in all, I'm happy with the results so far. Now I just need to get some better faces made. ... https://www.youtube.com/watch?v=SJEkb-K0lq0