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Old 2nd February 2004, 12:42 AM   (permalink)
Default Digital Tachometer

I am looking for a method of converting a digital pulse (created by a LED and a photo-sensative diode) into a revs per minute value that can be displayed on several 7 segment displays. I am completly unsure where to start with this, any suggestions would be great!
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Old 2nd February 2004, 02:19 AM   (permalink)
Default digi tach

hi,

try google search "digital tachometer circuit diagram" or if you want the basics of this stuff try, http://www.play-hookey.com

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