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5 views

Mini 2 doesn't receive 2.7k 60fps after update

As announced, DJI Mavic Mini 2 should support 2.7k 60fps. I did latest update, currently 01.02.0300 but still do not see the option. Does anybody has the same problem ? Thank you!
1
vote
0answers
10 views

BLDC Motors not spinning at commanded RPM

I have a F450 Quadcopter frame with BLDC motors of 1000Kv and ESC (simonk) 30A each. I am trying to verify if the bldc motor rpm output at a commanded rpm is same as commanded rpm. I am using ...
2
votes
1answer
26 views

How to Simultaneously View and Record GoPro Content While Flying

I want to be able to remotely take pictures and start and stop video using a GoPro Hero 9 Black while it's attached to a quadcopter. The pictures will need to be saved to the GoPro's internal memory ...
2
votes
1answer
20 views

Proper rotor fastening (Nyloc nut)

I am trying to figure out how to properly fasten my rotors on my quadcopter. I am pretty sure the nuts are Nyloc, but here is a picture for reference: I read online in many places that you should ...
5
votes
1answer
16 views

XM+ bound to FRSKY x9 lite, but commands not showing up in betaflight

I'm very new to making drones, so sorry in advance for lack of proper terminology or if this is a dumb question. I've bound my xm+ to my transmitter (solid green light showing on receiver), but for ...
3
votes
1answer
20 views

What Requirements Do I Need to Comply with in Order to Fly a Custom Drone Commercially in Texas

I'm currently in the process of selecting parts for use in both a quad and VTOL flying wing drones. Both drones are going to weigh over 250 grams but I don't know what the total weight will be yet ...
3
votes
1answer
18 views

Estimate position of a balloon attached to a quadcopter

I'm trying to measure/estimate the position of a balloon, for that I need the two angles shown in the picture below. enter image description here The idea is to place a helium filled balloon on a ...
3
votes
1answer
19 views

Ftd driver for 3dr telemetry radio

I have been attempting to connect my pixhawk 4 to qgroundcontrol using an old 3DR telemetry radio set. The connection works fine over usb, but qgroundcontrol shows disconnected when I plug in both ...
3
votes
0answers
13 views

Why isn't my manual DSHOT600 programming of a HobbyWing ESC not responding to direction change?

I wrote a firmware for an STM32L4 board to talk to a HobbyWing XRotor Micro 60A running BLHeli_32. I can drive each motor indiviudally just fine using DSHOT600 by bit-blasting the signals out of GPIO ...
4
votes
1answer
25 views

Is it possible to use the head tracking in a FPV goggle with a computer?

This might not be the best place to ask this question, but it feels like a good place to start. There are a few FPV goggles with built in head tracking that sends out a PPM signal. Is there a way to ...
2
votes
1answer
32 views

EDF Simplified Thrust Calculation?

So I am making my own EDFs that are 3D printed. The inside volume of the tube is 412,132 cubic millimeters I believe: Inner diameter is 80mm and length was 82mm The hub diameter is: 40mm Calculated ...
3
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0answers
56 views

DSM from Spektrum Reciever

I am working with a Pixhawk 4 and a Spektrum AR620 receiver. The receiver has a 3x7 grid of pins labelled (-, +, S), and (Batt, 1-6). The reciever says it is a DSM2/DSMX receiver, and I want to ...
5
votes
0answers
21 views

High pressure RC fuel pump

How many PSI do the best (electric) fuel pumps have? For RC jet turbines I found 12 bar the highest. Are there any better?
4
votes
3answers
72 views

Why can't quadcopters handle failure of one rotor?

Ardupilot can detect (and it logs) motor output mismatch. I think detecting in flight motor failure is possible with modern firmware and flight controllers. Then if one rotor fails, why can't we have ...
5
votes
1answer
35 views

Diy drone Digital control/communication

Is there a solution for digital drone communication through Wifi for diy fpv drones? I'm searching for a way to build a drone that have multiple cameras and communicate with my computer through wifi, ...
2
votes
1answer
105 views

How high can the Mavic Mini fly?

I was wondering how high the DJI Mavic Mini could fly before the air became too thin. I know that there are restrictions in the app (and probably in the drone/controller itself) but if you were able ...
3
votes
1answer
30 views

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), ...
-1
votes
0answers
41 views

How can I use a computer to control a wired / wireless PWM controller to control the speed of a dc motor

How can I use a computer to control a wired / wireless PWM controller to control the speed of a DC motor / brushless drone motors. I have a DC motor 6-12v mini DC motor (I also will be trying / ...
5
votes
1answer
33 views

Connecting 4 in 1 esc with power module

I have a 4 in 1 iflight esc currently connected to my motors. I am attempting to interface it with my flight controller (Pixhawk 4), which comes with a power module (https://docs.px4.io/master/en/...
3
votes
1answer
28 views

Should VTX ever be lower freq./higher power than the control transmitter?

I can find video transmitters from 5.8GHz down to 433MHz with the latter being ideal for longer range, but I don't see nearly as much diversity as far as control transmitters. Am i correct in saying ...
4
votes
0answers
23 views

Recommended drone for 360 HDR sky photography?

Can someone please recommend a drone I could use for amateur 360 HDR sky photography in the USA? I hope recommendation requests like this are on-topic here. Requirements: I will be mounting a Ricoh ...
4
votes
1answer
45 views

How to tune a Deadcat Quadcopter with 10 inch props and asymmetrical mass distribution along the roll axis with a low power to weight ratio?

I have a quadcopter with TBS discovery frame and 10inch props running on 810Kv motors on 3S. The quadcopter has an asymmetrical mass distribution since the heavy battery pack at the back causes the ...
4
votes
1answer
44 views

multi-protocol transmitters — difference between stm32 4-in-1 and stm32 c2500 only ? [tx16s Vs. tx12]

Searching on the radio controllers radiomaster TX16s and TX12, I found that video https://www.youtube.com/watch?v=ekrG5meNZOU%3F&t=5m47s that warns me that Tx16s has an internal stm32 4-in-1 ...
2
votes
1answer
38 views

2D/3D/fpv video glasses to use with external camera

I do not have any prior experience with FPV goggles (never owned one), but now I am involved in a project where I need to connect a video or FPV glasses to an external camera through a wired ...
3
votes
1answer
36 views

Can something be mounted underneath a quadcopter rotor?

I am a bit of a beginner, so I don't fully understand the way the air flows around the rotors in a quadcopter. My question is in the title, and I am basically wondering if something can be mounted ...
3
votes
1answer
35 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 ...
4
votes
1answer
38 views

Betaflight attitude update rate only 100hz?

In the tasks.c file, this line in particular ...
1
vote
1answer
57 views

recommendations for a DIY/dev platform lifter drone

I was mainly wondering if there was something in the drones world, similar to what the ender3 is to the 3d printing community -- that is, a cheap kit massively owned by makers and open source ...
4
votes
1answer
44 views

AliExpress drone vs DJI Pro 2

I can buy a drone in US or Canada like the DJI Pro 2 for over 1000$. But when I search professional drones on Ali they advertise many that share many features such as 4K video, dual camera, 20minute ...
6
votes
2answers
422 views

Drone tipping over when attempting to fly (possible accelerometer problem?)

This is my first time building a drone, so sorry if this is a stupid question or I use the wrong words. When I attempt to fly my drone, it immediately tips over (link to video here: https://youtu.be/...
5
votes
0answers
44 views

I need a low cost drone for point cloud modeling. What are the alternatives?

I am searching for a drone to work with point cloud modeling. The drone must have features such as orbital flying (flying around the subject with the camera always aimed to the center) while shooting ...
10
votes
1answer
85 views

Drone wobble/bounce while flying

I recently gave my newly built (with old equipment) its first flight. As you can see throughout the video there is a wobble as I fly. https://youtu.be/foo7Tw1gYNY I am running an SP Neo F3 FC with ...
8
votes
1answer
82 views

What is Commutation Enhancement in BLHeli_M and what should i set it to?

In the BLHeli_M version of the BLHeli Configurator, theres an Option for Commutation Enhancement. By default its set to Async-PWM but it can be set from 3%-CE to 100%-CE. What does this Parameter do ...
5
votes
1answer
43 views

My esc cuts the motor when I move control surfaces a lot

I finally built my plane and started testing it on my workbench. If I moved the servos a lot (using my transmitter), the motor would cut out, the ESC would play a tone similar to when I first turn it ...
4
votes
0answers
41 views

How to realize turning on/off 2812 LED strip from taranis with inav

Please tell me how to realize feature - turning on/off the RGB backlight with the slider/toggle_switch at taranis(or other remote controller) in INAV. I have 4 LED strips 2812 (matek) with 4 LEDs each....
5
votes
1answer
213 views

Wiring a 4-in-1 ESC to an Arduino Uno

I have four brushless motors that I want to control using an Arduino Nano. I was looking at getting a 4-in-1 ESC controller similar to this one on amazon. At this point in my project, I'm more ...
6
votes
1answer
41 views

Help finding ESC for brushless motor

I'm very very new to hobby electronics however I have studied a bit about basic electronics in school. I have four EMAX 0802 Brushless Motors and I want to drive them with an Arduino Nano. I know that ...
4
votes
1answer
49 views

How do I attach a propeller to this motor?

As many of you already know, I am getting into RC planes. I went to my hobby shop today and bought a motor and some props, but I can't figure out how to attach a propeller to the motor. Unlike what I'...
7
votes
0answers
55 views

Drone/Quadcopter sim that allows custom building/editing of (large) quads?

For some reason, there seems to be a huge gap when it comes to medium-sized video platform drones, such as one I'm planning to build. I don't have any experience with acro flying, so while pretty much ...
4
votes
1answer
51 views

How to debug a non-working Eachine E010?

I have two Eachine E010 drones. One drone (green color) stayed outside for a night with rain. I inspected the circuit board and it shows no damage: no cut cables that I could solder, nothing corroded. ...
1
vote
0answers
27 views

Sourcing Parts for an Air:Bit Micro:Bit Drone

I am interested in the makekit air:bit drone as a first build, since I have a small 3d printer and already own 2 micro:bits. I am sourcing parts and noticed it has a custom controller board by makekit ...
2
votes
1answer
64 views

Drone with SDR for HF antenna field strength measurements, I need a Raspberry Pi based drone kit that I can just buy

I have very little time until I get to the USA to buy the material to put together a drone which I want to use to measure antenna gain patterns for HF radio. Example, a 20m band half-wavelength dipole ...
8
votes
2answers
64 views

How to keep my prop from flying off my motor?

After finally getting every piece on my plane to work, another piece decided to be a problem. Great. My problem is pretty much already summed up in the title, my prop keeps flying off my motor, and I ...
5
votes
1answer
61 views

Video being indexed on SD card, but no duration time and no actual video recorded

I am using an HS-Series Holy Stone drone. I was able to get one video recording, but every subsequent video recording indexes the recording, but no duration time, and no actual video in it even when ...
1
vote
0answers
30 views

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 ......
4
votes
1answer
41 views

If AUW is 90 grams, will 4500Kv motors be better than 7500Kv?

I have a build that is 90 grams and runs great with 7600Kv motors. My question is, if everything stays the same and I put on 1204 4500Kv motors on it, would I get more flight time? More power or ...
5
votes
1answer
62 views

Why does motor not want to go above 2/3 thrust?

This is related to my past ESC troubles. See link for some flight history. I tried the recalibration as suggested by ifconfig, which sadly didn't work. But now the motor will not go above 2/3rds ...
1
vote
0answers
30 views

Is roll rate, pitch rate and yaw rate same as gyro data along y-axis, x-axis and z-axis

As per the title, I want to understand if the roll rate/pitch rate/yaw rate are same as the data obtained from mpu9250 gyro sensor along y-axis, x-axis and z-axis? If not then how to calculate roll ...
3
votes
0answers
37 views

Dji mavic air 2 “remote controller not connected” when trying to connect to aircraft

So i just updated my drone to the new firmware and when i tried to start up my drone i kept getting a message saying that the remote controller isn't connected. Both batteries are full and i tried a ...
5
votes
1answer
61 views

Eliminate effect of Vibrations on IMU

I am testing pitch orientation correction of Quadcopter and ended up in a issue. I have a test setup with one degree of freedom to test orientation correction. I have fixed the drone to the setup and ...

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