Questions tagged [electronics]

For questions regarding the electronic components on a drone. For questions about how to wire them together, use [wiring]

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10
votes
3answers
99 views

How do you build and use a smoke stopper?

What is the right way to build and use a "smoke stopper" device to prevent a short or other improper wiring from damaging your electronics? Is it different depending on what voltage you are using?
8
votes
2answers
247 views

How to prevent a 5V supply from sagging to 4.6V when the FPV camera is on?

I have issues with my FPV camera. My camera is a RunCam split 2S (concept is similar to Caddx turtle). This camera turns off almost instantly after I have plugged in my battery. When I probe the ...
8
votes
3answers
69 views

How do you waterproof your electronics?

I fly FPV drones a lot in the winter where it is wet and snowy. What is the best way to protect your equipment from shorting out from water?
7
votes
1answer
801 views

Can a receiver get damaged if you power it up without an antenna?

My r-xsr receiver short circuited after a crash recently. When investigating the reason, I found two things; The filtering capacitor had come loose, as well as one of the antennae on the r-xsr. Since ...
7
votes
2answers
86 views

What are the usual engineering considerations for a UAV current sensor?

Current sensors are a popular feature in both multicopter and fixed wing flight control stacks. Most of them are analog, i.e. convert the current into a voltage using a small-value shunt resistor (...
5
votes
1answer
46 views

Quality of transmitted image and electrical problems

There is a question already regarding a flickering OSD, but I wonder how other image quality problems relate to electrical problems. What's the first thing one has to look for when the transmitted ...
3
votes
1answer
72 views

Serial Communication Not working in APM 2.8

I have being trying to establish Serial Communication connection between APM 2.8 and Raspberry Pi Board. But the connection is not being recognized in the Raspberry Terminal Console. Configuration ...
3
votes
1answer
27 views

FPV camera and beeper seems to be interfering with each other

I recently changed my VTX from the Tbs unify pro 5G8 HV to the unify pro 5G8 V3. Because of this I had to move the cameras 5v input from the VTX to the FC (The HV model has a built in regulator, and ...