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,… 
You have been reading in-ear headphone web reviews for hours and days and finally bought a pair that was highly rated and within your budget (I did). [Full article here]