Tell us about yourself!
Thrust augmenter seems to depend on heating and expanding the air. Color me skeptical.
I just did this tonight and it's great. The serial board can stay in my breadboard for prototyping and writing firmware, then I can unplug and put the top board in my applicatoin enclosure when it's done.
Mine's going well without nutrient, though i did do a starter with some pulped apples and brown sugar