DIY RPM meter help!?

[Beginner!?]

hello there

does anyone have built or know any link about "DIY RPM meter"?

i have some of mivro motors and need to know their RPM correctly

so please help me

thanks :)

[Acetronics]

;) Just see " how do I make a RPM Meter " some lines further in the topics ...

Alain

[clipclop]

Look here :- http://homepages.paradise.net.nz/bhabbott/projects.html
Stewart