What a wonderful resource to share! This 27-page guide for teaching in HyFlex was prepared for faculty at University of Sydney and mixes pedagogical guidance with specific technical guidance for their HyFlex rooms. (https://docs.google.com/document/d/123HLxH8UIGPis45L3n6ErCJJKh5CSUzK4w_MCxLoL2w/edit#)
This resource also links out to other resources provided by Teaching@Sydney, such as this helpful “Tips for Teaching in HyFlex” by Eszter Kalman, Jessica Katherine Frawley and Danny Liu available at https://educational-innovation.sydney.edu.au/teaching@sydney/tips-for-teaching-in-hyflex/