Ok, we have a name: “JeeLabs Energy Monitor” - and we have a board to use: the Olimexino-STM32. As mentioned before, that board has a number of convenient features for this project.
Then again, any other board can be used - most differences are minor, and there is a huge variety to choose from. Even the “F103” µC family is not really important. Since the F103 is mature, and this is a low-end 128K flash / 20K RAM unit, most other µC’s should be fairly easy to port to.
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