Recently Active Questions
968 questions
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How to model force experienced by vertical stabilizer
I am designing the empennage of a large RC aircraft. How does one model or calculate the maximum force and moment experienced by the vertical stabilizer? Particularly when the aircraft rolls up to 90 ...
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Drones with good hoverability?
Do the DJI Mavic 3 Classic and Autel Evo II Pro V3 have good hovering stability? I would like a drone with a built-in camera that also has good hovering stability.
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Drone with a single camera that points downward with GPS coordinates?
I would like to purchase a drone for research purposes. I saw that the DJI Mavic 3 Pro is recommended for photography, but three cameras seems like overkill for me.
Are there drones with a single ...
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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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drone wifi connection problem
Recently I've purchased an RC drone, which is advertised as being controllable by a smart phone in addition to its remote control. My drone is nothing pro like a DJI and it can probably be considered ...
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How can I get my IMU to report the true orientation after a power cycle, even if the device moves while powered off?
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I'm working with an IMU to measure orientation (pitch, roll, yaw). Currently, when the device powers on, it treats the current orientation as the reference (i.e., 0°), but I need it to report the ...
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I have a design for powering four motors, could someone verify that it will work as I planned?
My question:
This is a simple design that I have created using everything that I know about electronics so far. Is there anything missing in my design or are there any concepts which I have ...
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ExpressLRS Configurator fails to flash due to a generic error related to checkout
In the ExpressLRS Configurator, I attempted to flash firmware, but it gave a generic error, as pictured:
There were no logs shown, but after hitting BACK and visiting the Logs tab, I found this:
If ...
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Can a drone fly forever?
I have an idea. If you attach some drones to a solar panel ( the big ones ) and use it to power the drones, can it fly forever? (Without weather) (With (not charged) extra batteries connected to the ...
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how to connect the output of a boost converter to a battery
I have a project where I want to connect a battery and a hydrogen fuel cell to a drone, here is the specs:
please feel free to correct me if I'm wrong.
the drone will need around 80 amps on 6s ...
CommunityBot
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Fs2a receiver killing servos?
Today I tried to setup my second Fs2a receiver and it appears to have killed all four servos I attached to it. The first fs2a I used worked without issue. This second one I have attached to a 3s ...
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How can I use a Pixhawk 4 power distribution board (PM07) to power an older pixhawk?
I have the PM07 power distribution board designed for the Pixhawk 4 but I currently have a Pixhawk 2.8.4. On the data sheets I can clearly see a 5V output but I am not getting any power from those ...
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Watch videos from fpv camera without goggles
I have this vtx VTX Eachine TX805 (25mw - 800mw) analogic + antena foxeer
with a standard CM1200 analogique 25x25 camera.
But I don't have gogles, and I would like to capture videos, pictures and to ...
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How to maximize range with 2212 1400Kv motor and 30A ESC?
Premise, I'm not interested in speed or any type of sporty flight attitude, but only on range maximization I have
30A ESC,
2212 1400Kv motors 180W max with maximum efficiency current in the range ...
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Is UART on SpeedyBee F405 V3 a 3.3 volt one or a 5 volt one?
I want to connect SpeedyBee F405 V3 to a Raspberry Pi via UART.
Raspberry Pi uses 3.3 volt for GPIO, so it sounds like connecting a 5 volt UART to it may damage it - and most online documentation ...
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