OMG I just discovered this channel and I can't stop watching these videos! It brings back a lot of memories :) Thank you for making these videos! The time and effort that was put onto these videos are just amazing!
I just binge watch a lot of your desing. It's amazing what 3d print can do in this era. We can literally build every imagination when we are a kid. Especially the toys we can't have back then.
you can use nail polish to protect the electronics from water ingress! There are also special liquid, but "nail polish" is what also many drone enthusiast uses without problem