bandm Posted August 27, 2004 Report Share Posted August 27, 2004 Hello All!I've been looking for a schematic or plan for a digital tachometer.I will be using it on my metal lathe. I was thinking using a proximity switch to trigger it. needs to be fairly accurate up to 4000rpm.Any help would be appreciated :)Thanks, B&M Quote Link to comment Share on other sites More sharing options...
igrecotrei Posted August 27, 2004 Report Share Posted August 27, 2004 Try this:http://www.josepino.com/ Quote Link to comment Share on other sites More sharing options...
bandm Posted August 27, 2004 Author Report Share Posted August 27, 2004 Thanks igrecotrei, I think using a PIC would be a bit more complicated than I was looking for thogh.B&M 8) Quote Link to comment Share on other sites More sharing options...
ante Posted August 28, 2004 Report Share Posted August 28, 2004 B&M,I noticed that you Quote Link to comment Share on other sites More sharing options...
bandm Posted August 28, 2004 Author Report Share Posted August 28, 2004 Ha! HA!NNNoooTTT!!! ;D Quote Link to comment Share on other sites More sharing options...
ante Posted August 28, 2004 Report Share Posted August 28, 2004 I had to ask, you never know! ;DA tachometer is really a frequency meter, did you think about that? Quote Link to comment Share on other sites More sharing options...
bandm Posted August 29, 2004 Author Report Share Posted August 29, 2004 Hi Ante ,Yep I was thinking of going ahead and designing on using the 60Hzline voltage as a sampler and using decade counters of some sort.I'll have to think about it more.B&M Quote Link to comment Share on other sites More sharing options...
absolution Posted September 23, 2004 Report Share Posted September 23, 2004 just use a frequency counter chip such as a ICM7224 or its led driving counterpart Quote Link to comment Share on other sites More sharing options...
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