Well, I tried to swap out the flight board on my DM003 mini drone due to a burnt component on the original. After all the soldering and putting it back together, I realized I skipped an important step. I should have check it for binding before going through all the work. Check out the video,
Yes, definitely right, the boards on a lot of this level of drone are often bad. They have to knock a lot of them out quickly and cheaply to make any money. Still, I’m glad they exist, so pretty much anyone can have a try even if they have a very limited budget.