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ReallySmall / Stackduino-v2

A motion controller designed for focus stacking
https://www.stackduino.net/boards/v2-2
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FT232RL/ Bluetooth module parasitically powered by ATMega 328 TX pin #3

Open ReallySmall opened 9 years ago

ReallySmall commented 9 years ago

Provides about 1v. I think should be able to resolve in software by setting TX to an input when there's no serial activity.

ReallySmall commented 9 years ago

Similar issue resolved here: http://www.avrfreaks.net/forum/atmega328p-stuttering-when-connected-unpowered-ft232rl