Here is the setup I came up with for video recording live lectures and talks.
Hardware:
- Laptop with a camera: MacBook
- Tablet with a pen/stylus: iPad (Pro), MSRP $1K
- Microphone: Sennheiser ME 3-EW, MSRP $200
- Projector (connected to the laptop)
Software:
- Open Broadcasting Software (laptop), free
- Microsoft Powerpoint and Office 365 (tablet), free from IU
- AirServer (laptop) and AirServer Connect (tablet), $10
Full description and demo on Youtube: