3 ms·
Ah, the audio solution is clever! As far as optical, RC aircraft peeps use something like this tachometer: https://www.youtube.com/watch?v=9OJ4fx5wwlU https://
by trevyn 12y ago
Ah, the audio solution is clever!
As far as optical, RC aircraft peeps use something like this tachometer: https://www.youtube.com/watch?v=9OJ4fx5wwlU https://www.youtube.com/watch?v=9OJ4fx5wwlU