AE9RB

Greetings,

Has anyone tried to use an additional shield to step down the 13.8V needed for the peaberry to, say, 7.2 with a buck regulator?

I was thinking to make another layer:

bottom - middle - top

arduino uno - shield with LM 2576, inductor, & caps - iambino on top.

then I can wire the middle layer to the 13.8V, route the output 7.2V to the "Vin" of the arduino, & don't have to have a separate wall wort for the uno/iambino.

Does this make sense & what do you think?

A "middle" shield was used during development. It doesn't cause problems either electrically or mechanically. It was expected that some folks would hack on it this way.