Re: [CAD_CAM_EDM_DRO] r.p.m. kit??? / 4 digit under $20

Lloyd Leung wrote:

>
> Original article was printed in Poptronics, September 2002.
>
> Digital Tachometer will do it: http://www.dsgnspec.com/Tach-Plus.htm
>
> Kit is $69.95 + S/H
>

Here is a 4 digit LED (0-9999 rpm) tachometer kit
for CAN$20 (about $13 US):

http://www.qkits.com/serv/qkits/diy/pages/QK148.asp 40Khz autoranging option


At that price, the buying decision becomes the proverbial 'no-brainer'...

regards
Doug Fortune
http://www.cncKITS.com