Wire this up to your FC buzzer controls plus a 5v and ground. It'll sound as a buzzer like any other when you command it to but in addition it will sound on its own after 30sec of power loss on the craft. It claims to emit 100db of noise which is ear piercingly loud. Click the button on the board to cancel the alarm. When connected to power, the battery will automatically charge.
- Size: 22*12*9.5MM
- Weight: ~2.3 grams
- 1 X JHE20B Finder
- 1 X 3P*1.0MM line
So far so good
Have this on a bunch of quads it works and the price is right!
if you are sending it over the brush... best not to pollute and find your stuff