40
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,…