| I started this project when asked by a friend of mine, a guitar player, to try to make a better tuner than those commercially available. The...
lux36 (12)
![Random Number Generator [150116]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.it%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Frng-1.jpg)
| Zener diode noise is processed, captured and recorded on an SD card. Passes all NIST tests for random signals.