Hello together,
I also would like to hook up onto this topic, since I am planning to switch UHF and VHF antennas with respect to the observation frequency. Moreover, I would like to switch LNAs on/off at the beginning/end of an observation using the GPIO of RPi4 running the SatNOGS Client Ansible.
I wasn’t able to get any work done on that, but I have started with some research. Maybe following threads will help you: