Originally Posted By: mlord
.. the final choice will come once all of the pieces have arrived. The LCD I'm using wants 3.3V, the RTC is 3.3V, the temperature sensors don't care, and the ethernet adapter also wants 3.3V.


Ugh. Actually, the RTC wants 5V, not 3.3V. So I'm likely to end up having to supply dual voltage on the board, starting with 5V, and using an LDO regulator on that to get 3.3V.

Or maybe find a 3.3V RTC to use instead of the 5V one.