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- Compile the total current required on the 5V and 12V rails.
- Source 5V smps based on current requirement.
- Can the OSD take 5V directly from the pixhawk from the input header? If so, then we would not need the 12V-5V step down on the board, and we can use 12V for everything: cameras, osd, and vtx.
- Figure out whether or not the board 3 way camera switch board can use the common CAN circuit so we don’t have to use PWM pin.
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