FST-01 (Flying Stone Tiny ZERO-ONE) is a tiny USB 32-bit computer based on a free (as in freedom) hardware design. NeuG is an implementation of a true random number generator (TRNG) for STM32F103 MCU.

In this product, a standalone USB version of NeuG is installed, together with a USB Mass Storage Class device implementation named Fraucheky. It uses the thread library Chopstx. NeuG, Fraucheky, and Chopstx are licensed under the GNU GPLv3.

For more information, please read https://www.fsf.org/blogs/gnu-press/neug-trng.

Update, February 2018:

Please note that both of the hardware and the firmware are new.

Flying Stone Tiny 01 revision G:
https://www.gniibe.org/memo/development/fst-01/fst-01-revision-g.html

NeuG version 1.0.7:
https://www.fsij.org/gnuk/neug_version1_0_7.html