Questions tagged [quadcopters]

A drone which uses four motors to fly.

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3
votes
1answer
32 views

Can I re-flash the Hubsan fpv1 controller with built-in fpv screen?

the only radio transmitters, also called remote controllers, that embed a fpv screen, for seeing what the drone sees, near the joysticks, instead of having to get obstructed vision by goggles, that I ...
3
votes
1answer
39 views

Flight controller or ESCs on Eachine Viswhoop not booting properly

After last flight my Eachine Viswhoop stopped booting properly and arming (link to gfycat with sound). When connecting battery to drone I can hear FC beeping but don't get second set of "beeps&...
3
votes
1answer
151 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
43 views

Vibrating like a jelly when takeoff

I have Kotleta 20 UAVCAN ESCs. When I trying to increase throttle, motors are vibrating like a jelly. How can I configure my ESCs via development port? What are best options for non vibrated flight? ...
3
votes
0answers
23 views

What is the frame system defined for Orientations comptutation using Quaternions [Madgwick filter/ Mahony filter]?

I am working with MPU9250 and I have implemented attitude & heading reference system based on Madgwick/Mahony filter. I capture the raw data [accel, gyro, mag] and pass to the Madgwick filter in ...
3
votes
0answers
41 views

What are the steps to connect the Pixhawk to Auvidea J120 board using a telemetry cable?

I'm looking to get a connection between my Pixhawk and Onboard GPU using telemetry. However, it doesn't seem to be connecting for some reason. I followed the instructions given on this page - https://...
2
votes
2answers
63 views

Would it be possible to inductively recharge a drone battery?

Regular drones can only fly around 15-30 minutes before the battery runs out, which is annoying. Newer smart phones use inductive loading, so it is possible to load a battery through such a field. ...
2
votes
1answer
54 views

F450 frame all legs are not stable

I have one of the so called popular F450 frames. Not the original dji one, but chinese part. Now, I have assembled motors and ESCs. The assembling process was harder than it should be, probably ...
2
votes
1answer
100 views

How do ducted fans impact drone performance?

There are many drones available which use ducted fans as opposed to open propellers. How does a ducted fan quadcopter differ in performance from an open-prop quadcopter? Note: the other question ...
2
votes
0answers
35 views

Multi GP gate sizes

Multi GP Gate sizes are given in square inch/ft like so: 25 sq ft (5’x5’ – 1.52m x 1.52m) - those are obviously the size requirements for a square gate. If I want to have a "Multi GP compliant&...
1
vote
2answers
78 views

What is the best drone for beginner fliers?

My brothers would like to start drone flying, as they haven't ever flown my Syma before. I am looking for a small, inexpensive pocket or medium drone for beginners that will probably get thrown into ...
1
vote
2answers
197 views

How to prevent an ESC from overheating?

I have a 5-inch drone with individual ESCs on the arms of the frame. The ESCs tend to get very hot (somewhere around 70°C) and I'm not sure what is causing this and how to keep them cooler. Are there ...
1
vote
2answers
108 views

Why are micro pusher-prop quadcopters becoming more popular?

Recently, I've seen a rise in popularity of small drones using pusher props. Some of these include the FullSpeed TinyPusher, BetaFPV Beta95X/Beta85X V2, Diatone Taycan and Tinawhoop, and originally ...
1
vote
1answer
112 views

Is there a benefit to using multiple capacitors on FPV drones?

From what I've heard, you need at least one capacitor on the ESC of a drone so that it can smooth out the voltage spikes to prevent electrical noise and improve the longevity of the ESC. If this is ...
1
vote
2answers
137 views

How can I build a drone similar to a DJI Mavic 2?

I want to build a drone with the same functionality as a DJI's Mavic 2. Are there any books/videos/guides available? What would be involved? I need a flying machine that: has a good enough camera ...
1
vote
0answers
24 views

BS 220 GPS NMEA - UBLOX using U-center

I have a quad with an omnibus f4 v3 flight controller an FS-ia6b receiver. I also have a bs 220 gps wired in correctly to the flight controller however it is outputting NMEA and this has many errors. ...

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