yubiKeyLock
This program locks your Windows PC once you remove your Yubikey. There is no serial number check implemented at the moment so beware when unplugging other yubikeys that you might use.
The Yubikey PIV tool is reuired to be in the same folder as the python sript. It can be found under https://developers.yubico.com/yubico-piv-tool/Releases/ Copy all contents of the bin folder!