Windows adaptation of https://github.com/gat3way/r820tweak project
Unpack all files to SDRSharp folder, start SDR# playback, then run controller exe file.
Do not forget to allow software to use UDP/32323 port in your firewall.
You may use this rtlsdr.dll with osmocom or other software, of course.
It is fully compatible to original one.
There are UDP server on 32323 port inside of rtlsdr.dll. It accepts and answers \n-terminated strings and accept two easy commands: get and set register...