This project will run for a while and will be updated as frequently as i get time to produce new material.
The picture above shows the first print from the Fusion 360 cad file, the Uni-pivot cup is printed in one piece , so is… 
This Arduino based turntable tachometer is originally created at the DIY Audio forum my flavour is a OLED version of this simple but genius turntable tachometer.
How to build the tiny handy TT tacho
The easy part, put the hardware together the shopping list first,… 
Read it all here ->
The Impossible Group have now merged with Polaroid to create an even better product:
The initial stages of programing the relay sequence controller have been successful and the software have become almost usable :-) Below you can see the parts involved in this project parts that are cheap and easy to find (Ebay) and this is all you need…