This repo contains an experimental USB to EF/EF-S adapter, the protocol is reverse-engineered and tries to enable full lens controll and data readout. Please use at your own risk, the hard- and software are experimental and can damage your lens!

https://twitter.com/_Jana_Marie/status/1317520812761546753

• Tested
• May shorts power rails on lens attachment

• Not tested, ordered

• Make lens hotplugable (needs new hardware revision)
• Create helper functions (like set_aperture_to(aperture))
• Documentation