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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Why does ELRS use only radio modules with SPI control and UART?
I've seen official ELRS guides for building DIY RX/TX modules. Many of them offer to use SX12xx modules with the SPI pinout. However, I've seen the same modules but with UART control only.
Any reason ...
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Receiver and transmitter issue
I am trying to build a drone from scratch. I purchased Fly Sky FS-CT6B 6 transmitter. but unfortunately the receiver is not supporting PPM communication. I am using pixhawk 2.4 as flight controller.
I ...
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how to replicate motor signal from flight controller among multiple motors?
i would like to build a tailsitter and fly it with a flight controller such as ardupilot. ardupilot seems to support single/dual airplane motor configurations, or standard copter rotor layouts.
...
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Connecting a RS232 sensor to the Pixhawk
I have an airspeed sensor that outputs a RS232 signal. This is the sensor: https://www.aeroprobe.com/micro-air-data-system/. I want to connect this sensor to the Pixhawk in order to use the data for ...
- 121
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Holy stone HS130D PCB part details
Any idea where to get individual PCB parts info for fixing a Holystone HS130D PCB. It looks like two adjacent units in PCB have heated up and melted together causing one motor to keep running without ...
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What electric starter(s) are compatible with the RCGF 120cc engine?
I plan on flying the RCGF 120cc engine, however, I noticed the owner's manual does not recommend any sort of electric starter and I have been having trouble finding one compatible with it.
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Amperage of FC, ESC
There is something I totally don't understand about an amperage.
According to spec. AIO FC has 5 A and 6 A ( 5 seconds). However, sometimes I see in OCD far beyond 5A and 6A. And FC, ESC are OK.
...
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Is my flight controller dead or can I save it?
I built a new quadcopter and was able to power up the drone with no problem when I finished. However, after flashing new firmware to my receiver and forgetting to disconnect the receiver wires from ...
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What are controllers of Parrot AR drone 2?
I have a few questions about Parrot AR drone 2. Here is the official website
Q1:What are the controllers for the AR drone 2? Is there a position controller (GPS), velocity controller (accelerometer), ...
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Assemble altimeter for flights and send to ground station by RF
Hello everyone.
I'm looking for electronic help to build / assemble a bariometric altimeter that sends the altitude data at the moment to a ground station (arduino or others, smartphone, T 3000 etc ......
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What would a basic fixed-wing electronic setup look like?
I'm building an FT Tiny Trainer. Currently it's just a chuck glider, but now that I have tested it, I want to add electronics. At first, the plane would be a controlled glider, but then I'd probably ...
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What could be wrong with this plane?
The story of how it broke;
I have a plane that I am/was building/fixing, and I was successfully able to make it fly...very shortly. Yes, I know that I launched it really bad and that I should've done ...
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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 ...
- 2,654
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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?
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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 (...
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