Questions tagged [drone]

All related to aircrafts without a human pilot aboard.

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9
votes
8answers
4k views

How do people prototype circuits without getting shocked?

I am just getting into soldering, developing prototypes on perf boards and microcontrollers. The current for some can be as high as 2 A. I am trying to build a drone and the BEC for one ESC is 5 V and ...
3
votes
2answers
81 views

Would it be safe to exceed a battery's C rating for short bursts?

I'm currently building an autonomous drone as an experimental project, because my high school classes are getting quite boring. I've already ordered all the parts, but upon further inspection of the ...
0
votes
0answers
33 views

Trouble with ESC & Brushless motor

I'm new in this group, I hope to be welcome and help you whenever i can. At first i need your help... i'm assembly a drone ( quadcopter ) , and testing the ESC with the motors, and i have issues. I ...
0
votes
3answers
75 views

Make drone fly autonomously from point A to B [duplicate]

I want to develop a autonomous drone which is able to fly from point A to point B in an indoor location. The drone starts at point A and with a button push it should fly to point B. The points have a ...
0
votes
0answers
42 views

How to plug CAN Bus radar to Pixhawk Cube Orange flight controller?

I want to plug my radar (which is a CAN Bus) to my Pixhawk flight controller. (https://ardupilot.org/copter/docs/common-thecubeorange-overview.html)I bought the radar from China and the site i bought ...
0
votes
1answer
44 views

Making an ESP32 based flight controller [closed]

I'm trying to make a flight controller for brushless quadcopters with ESP32 using external sensors like MPU6050(Gyro & accel), BMP180(Baro), HMC5883L(Compass). I've seen lots of people make this ...
0
votes
0answers
48 views

How to drive MOSFET with 2.7v?

Okay, I have mini coreless motor drone. I want to make a bigger drone by replacing the corless motor with 180 motor. For that, I need to control 4 MOSFETs to drive four 180 motors. Here comes my ...
1
vote
2answers
139 views

Does a DC motor that needs 100V require a battery that outputs 100V?

I'm trying to build a large drone. The motor/motors I have selected all need a voltage of 100V to run. I got that number from this site: https://www.alibaba.com/product-detail/T-MOTOR-62-inch-...
1
vote
0answers
23 views

Replacing an analog pot with a digi pot in a flying drone controller

I'm working on a project at the moment and I'm supposed to change the analog pot on the controller with a digi one. My question is does installing the digi pot changes anything in the controller ...
2
votes
1answer
1k views

What is this component in my drone?

I am disassembling a drone for a project. I found this silver boxy component on a side circuit board that connects to the main circuit board on one side, and to the camera of the drone on the other ...
-6
votes
2answers
104 views

Can somebody list all the tools in this photo [closed]

Can somebody list all the tools on this image? I'm building my lab and I ill need a list of must-have electronic instruments. My goal is to 3d print parts and builds drones. Drone recharging stations ...
0
votes
1answer
73 views

How can I accurately find the distance between two drones over moderate distances?

I am currently taking part in a project in which I am building drones using Arduinos and Raspberry Pis, and I need to be able to measure the distance between the drones. After some research, I ...
0
votes
0answers
15 views

RCS data analysis. [CADFEKO]

I have simulated radar cross-section (RCS) data of a small drone using CADFEKO. I'm using MATLAB to do the data analysis part. I have tried the histograms, heatmaps, error bars comparisons but still ...
0
votes
2answers
48 views

Motor choice for a quadcopter, DC coreless or BLDC?

Ok, I am planning to build a quadcopter by myself. Almost anyone uses BLDCs with ESCs in the tutorials etc. I wonder why a BLDC is more preferable than a similar DC coreless motor. For example I found ...
2
votes
1answer
56 views

Soft start for a drone battery pack?

I want to design drone landing pad that will automatically begin charging my drone as soon as it lands, I'm planning on having the drone legs have some pogo pins that will touch the pad it lands on ...
5
votes
3answers
644 views

Hybrid gas electric drone

I have a nitro engine that’s idling at 1600 RPM. As the title says , I also have a BLDC coupled directly to the nitro engine working as a generator. That generator is capable of producing 3.5kW of ...
3
votes
4answers
1k views

PID controller slowly oscillates out of control

I am trying to tune PID controllers for my drone. There are 3 controllers, one each for Pitch, Yaw and Roll. I have gotten Yaw tuned to a reasonable amount and I am assuming the values for Kp, Ki and ...
0
votes
1answer
39 views

How to use extra channels in drone controller for other purpose [closed]

I'm doing a hexacopter for my academic project. I brought flysky fs-ct6b drone controller. It has 6 channels. 4 channels is enough for controlling the drone. but I don't know how to use another extra ...
0
votes
2answers
126 views

Can I extend my ESC to motor using some thick wire? is it possible to do in that way

I'm doing a drone project for my academics. my arm of the drone is a little bit longer. How can extend my ESC? I watched extending a power-ESC cable will make problem, but increase ESC-Motor cable ...
3
votes
3answers
683 views

Stabilize voltage input for Arduino nano on a drone

I am doing a small drone project, and the 8V battery provides power to both the motors and the Arduino Nano. I expect a lot of noise from the motors, however I assume that the Arduino Nano power ...
0
votes
1answer
48 views

Drone lipo battery not working properly

I'm having an issue with the lipo battery of a drone. When I normally plug it into the drone it won't power up the drone, but when I connect the battery to the balance charger even when the charger is ...
0
votes
1answer
70 views

How to use arduino control an ESC and flash?

Basically, I want to use PWM wave or something alike from Arduino to directly control the speed of a brushless motor through an ESC. I saw an example on the Arduino Brushless Motor Control Tutorial | ...
1
vote
2answers
144 views

Correct solar panels to pick for drone-mod

After this, I think I will take a course on electrical engineering (fuzzy from school days). I'm trying to add some flexible panels (they were <14g a panel)) to my drone (HS120D), to possibly give ...
0
votes
0answers
39 views

How to mux 3 (high power) power supplies into 3 power rails with some pretty complex logic

I just want to say that this may be a bit of overkill but I'm really curious how I'd go about doing this. I'm building a little drone from the ground up and got stuck on this issue. I have 3 ...
2
votes
2answers
216 views

Best way to switch between multiple power rails based on whether they're present or not [duplicate]

I've come across this issue multiple times already and never really figured out the best way to do it. I'm designing a controller PCB for a drone and I would like to have a few different ways of ...
-1
votes
1answer
88 views

Can't satisfy DJI E300 ESC with my PWM signal [closed]

I'm trying to build a drone with my Raspberry Pi 3. I'm using Windows 10 IoT and C#. I've bought a DJI E300 pack (motor + ESC + Propeller) and in the data sheet it says that the ESC works with ...
0
votes
2answers
57 views

Closing 1s battery connector

I have a drone that can plug two 1s batteries. I have the option the plug only one battery but I need to "close" the other battery input with the following (image). I have no idea how this is called. ...
0
votes
1answer
169 views

Using a battery as a voltage source in a DC DC converter to supply a second battery?

I was wondering if I could use a battery as Vin to a DC DC converter to charge another battery. Example: Using a Li Ion battery pack and having it go through the DC to DC converter to charge a LiPo ...
1
vote
0answers
100 views

Gyroscope drift in IMU

So, a brief foreword. I'm not sure if this question belongs here or in the DSP community, its closely related to both, but I have a feeling this will be more of interest here nonetheless, so I am ...
0
votes
1answer
190 views

Signal loss failsafe for a cheap drone using 433 MHz tx/rx pair

I bought a cheap drone to get into flying quadcopters and it seems it has only one big issue at that price, which is a very long failsafe time of 20 seconds, i.e. if the remote signal is lost, the ...
1
vote
1answer
188 views

Brushless Motors kv rating and testing methods/procedures

I’m very interested in testing Brushless motors and Prop sizes. I have been involved with ASTM ASHTO and other testing methods. What procedures/standards are used for testing brushless motors for ...
0
votes
1answer
78 views

Drone's Remote control not powering on! [closed]

I am using bayangtoys X16 GPS drone. I managed to solder the "alfa APA-M04 7 dBi gain RP-SMA directional panel antenna Wi-Fi" on the board, and it was working absolutely fine. Until, I put hot glue on ...
1
vote
0answers
228 views

Beeper for lost FPV drone

I am not an expert in electronics, just the very basics so please bear with me. I am trying to create beeper alarm for my FPV drone that will activate when it crashes or no movement for certain ...
0
votes
3answers
9k views

Why isn't the ESP32 used for quadcopter flight control? [closed]

I'm looking for a quadcopter microcontroller to use as a flight controller and am comparing a couple of different ones. Went on this website to see what current boards are using: http://www....
1
vote
2answers
240 views

Wire gauge on Drones different?

How is it a 12 volt 40 amp wire in a car has to be approximately 16mm thick but a drone can use 3.5mm thick cable for 12 volt 120 amps. What is the difference? They both have the same amount of power?...
-1
votes
1answer
35 views

How to masure maximum esc capacity

I have a electronic speed controller(esc). I bought it from local store, so i don't know what is the capacity (maximum current capacity) how to find it? Plz guide me.
0
votes
1answer
143 views

Li-Ion vs Li-Poly For Quads

Instead of using a $25 Li-Poly battery with a $10 charger, I was going to use one of these- https://hackaday.io/project/46436-3-cell-rc-battery-pack-made-with-18650-batteries What I was wondering Is ...
8
votes
4answers
2k views

Why do most FPV 5.8 GHz video transmitters use PAL or NTSC?

I am not much into the details of video transmission in general. However, I wonder since most displays and electronics are digital, why have suppliers for FPV equipment chosen an analog transmission ...
0
votes
2answers
2k views

Broke my first soldering iron after 5 minutes of using it [closed]

I started getting interested in drones recently and I bought a soldering iron last week on Amazon.co.uk After using it for 5 minutes to try pre-tin some copper wires, the solder was unable to retain ...
1
vote
2answers
4k views

How to design drone power tether system? (high power with ultra light cable)

There are drones that are powered with power tether from the ground station, and such drones can be airborne 24/7, not only 20 minutes when using batteries. I'm very interested to reverse-engineer ...
1
vote
1answer
42 views

How much energy do Li-Ions/Li-Pos have below 3.2V threshold?

How much energy does a battery still have when a protection chip disconnects it? I know that such discharging kills the battery, but in some cases it would be useful. For example, in drones: when you ...
0
votes
1answer
1k views

Drone gyroscope placement

I'm building a drone with an mpu6050. Does the placement of the mpu influence sensor data? I mean, if I rotate the sensor properly so that all axes point in proper directions, then will it matter if ...
-1
votes
2answers
307 views

RF reciever to detect unknown drone RC links [closed]

I am currently developing anti drone system as a project. Therefore,I am in need to make a RF reciever/Sensor , which can detect RC links(Drone-controller RC link) at multiple frequencies(488 MHz/2....
-2
votes
1answer
223 views

How can a drone take down a high-tension power line? [closed]

This news article -- in which a drone reportedly took down the power grid in Mountain View CA -- caught my eye: Thursday night power outage the result of a drone crash Despite the compelling photo ...
0
votes
2answers
557 views

how can i make drone fly in same location? (not go left, right, forward, back)

I made quad drone that use PID control to fly and drone fly well. I set the PID values, and the drone always have difference force, so drone always go left or right or forward or back. It can't fly in ...
4
votes
2answers
2k views

Can high voltage power lines EM provide power for drones? [closed]

How is the EM field that surrounds high voltage power converted to produce a current through a wire? How much electricity can be produced without coming in contact with the wire? Could the EM field ...
-1
votes
2answers
2k views

Wiring battery and solar panel to drone to extend flight time - schematic help

for one of my projects I'm trying to create a solar assisted drone. So far this is my schematic: So with the battery itself connected to the flight control board, the drone runs for about 6 ...
0
votes
1answer
82 views

Drones power distribution

I'm trying to build my own quadcopter and I plan to design my own flight controller / mother board. Now my question is, how do drones, such as the DJI phantom, reduce a high voltage with high current, ...
0
votes
0answers
72 views

Right ground connection between different blocks

Which is the right way of ground connection? Is it necessary to separately connect grounds between different blocks, without touching other grounds? Something like ground PCB trace going through ...
2
votes
3answers
516 views

Finding true north in UAVs

In my application, I need to find true north direction, for reference purpose. I am having a GPS enabled drone. I have searched over Internet and found that moving in the north direction while keeping ...