ATMEL ATtiny Embedded Systems
Nano-sized ATtiny85 development board with USB bootloader.
NaniteLib ported to Free Pascal from https://github.com/cpldcpu/Nanite.
As described in this blog post the bootloader you should use is the t85_default_entry_jumper_PB5.hex in the micronucleus directory.
The repository holds the micronucleus firmware, the micronucleus commandline, the windows USB driver and a software example in Free Pascal to handle the soft reset-button.
I made one using the through hole version from Danjovic (https://github.com/Danjovic/Nanite) on veroboard for fun ;)
A recent Free Pascal v3.3.1 (trunk) was used (10/01/2020). Works like a charm!