Tachometer kit construction project

As mentioned previously I bought myself a small electronics kit tachometer only to find that it was all surface mount components. The supplier ikalogic send me some more tips on construction. http://www.bdmicro.com/smt/http://electronic4beginner.wordpress.com/ There were several recommendations to use a temperature
Surface Mounted Devices

I recently purchased an electronic kit to make a tachometer, with the aim to measure the speed of my lathe and drill. Given that I’ve only got a mini sized lathe and it’s fixed speed there’s no real reason to