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Questions tagged [drone]

All related to aircrafts without a human pilot aboard.

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Help identifying I2C sensor from Propel Star Wars Drone

I have a sensor from a Propel Star Wars drone that I can't identify. The metal part of the sensor is marked with "A6103 040". I have tried various libraries and sensors, including BME280, ...
Halit Efk's user avatar
-2 votes
1 answer
48 views

Can a gearbox for a brushless motor help to reduce propeller diameter on quadcopter? [closed]

If the required propeller diameter is too large for a drone, can we use a gearbox with some gear ratio like 4:1 to get a same thrust with a smaller propeller? Will the efficiency be lower? If it is ...
Rooter's user avatar
  • 1
0 votes
0 answers
34 views

Motors not rotating despite correct PWM Signal coming from Pixhawk

We are working on an autonomous Quadrocopter powered by an NVIDIA Jetson Xavier NX as the central control computer and the Pixhawk 6X as Flight Controller. The commands are being sent from the Jetson ...
nowsqwhat's user avatar
0 votes
0 answers
53 views

Calculating Yaw from Relative position of 2 accelerometers

First of all, apologies for the length. I'm building a drone and have come across the issue of a 6 degree IMU being unable to calculate a sufficiently stable yaw number on it's own. The normal ...
MikeB's user avatar
  • 1
0 votes
1 answer
121 views

Why do FPV systems (or drones in general) not use lower frequencies?

Why do TBS Crossfire, ELRS etc. not use lower frequencies like 433MHz? If we omit legal regulations and antenna size, are there any drawbacks? Lower frequencies provide longer communication distances, ...
Secret-guy's user avatar
0 votes
1 answer
75 views

What might cause a sudden voltage drop in an airborne drone's battery? [closed]

DJI Mavic 2 Zoom Enterprise Drone We lost connectivity between our handheld controller and drone while flying a drone photogrammetry mission. Photogrammetry missions allow you to pre-program a flight ...
Neil Wakeman's user avatar
1 vote
2 answers
132 views

GoPro Hero battery replacement [closed]

I am attempting to power my GoPro Hero 10 from a 1S2P 3.7 V Li-ion battery (2x18650s in parallel, from Tenergy Power): https://power.tenergy.com/AT-3.6V-7000mAh-Li-Ion-Pack-34041_1/?gad=1&gclid=...
saustinp's user avatar
0 votes
0 answers
30 views

PMSM - Motor values for a simulation

I have a simulation of a PMSM using a ElectroCraft RPX22-042V24 Motor. For some testing purposes I need to increase the rpm by a lot. I am thinking about 30-40 000 rpm. Of course I searched for a ...
hanss's user avatar
  • 147
0 votes
0 answers
50 views

Optimizing wireless charging

I am trying to build a wireless charging system for a drone. I have a 3s Lipo battery and I would like to plug in a wireless charger transmitter into it. I will then plug the wireless receiver onto ...
mdansfo's user avatar
0 votes
0 answers
39 views

Control a LED flashlight from drone's power port

My drone has a switchable power port to control a searchlight/loudspeaker accessory. The searchlight does not really meet the mission profile as well as puts a significant drain on the the drone's ...
Tjingles's user avatar
1 vote
1 answer
34 views

Is there a connector/board for a DJI Air 2 camera gimbal chord and camera transmission chord? [closed]

Hello, I have a DJI Air 2 camera and gimbal but nothing else atm. I was wondering if there are any connectors, boards, etc. out there that could connect to these that aren't DJI's own product since ...
BigMac's user avatar
  • 27
2 votes
2 answers
391 views

Can you do without a base station for RTK GPS if only relative positioning is needed?

I am trying to take two drones in an open field and have them know precise and accurate relative positioning of each other. I don't need them to actually know where they are. My plan is to use some ...
wandy rge's user avatar
0 votes
1 answer
205 views

Is it okay using IRL520n without Resistor and Diode for DIY Brushed ESC/DC Motor

In this chance, I want to know further after doing some experiments related to Logical level MOSFET (IRL520N) as a speed controller for brushed 820 DC motor for micro Arduino Quadcopter. I had done ...
ArduJimmy's user avatar
0 votes
1 answer
123 views

Drone power distribution board for multiple battery setup

I'd like to add multiple Li-po batteries to my octocopter without worrying about different voltages across different batteries while also allowing regenerative braking. I have seen designs where ...
KWang's user avatar
  • 1
0 votes
0 answers
102 views

simplest way implement ESC circuit for drone?

I'm designing a fun little quadcopter PCB based around the RP2040 chip and am interested to incorporate the ESCs in my design, all on one board. They don't need to be too fancy in terms of features ...
ben-kerro's user avatar
1 vote
0 answers
130 views

How can I reduce the spark while connecting the battery?

I've been working on a drone that works on a 12S batter (maximum 50.4V.) I am using an Amass XT90 anti spark Connector to connect the battery to the power distribution board (PDB.) The drone has an ...
MindProbe's user avatar
2 votes
3 answers
1k views

Why new/recommended MEMS IMU for AHRS for drones are 6-DOF instead of 9-DOF?

I'm developing an quadcopter as an DIY project. I'm in nascent stage of development. I've just finalized the design/working philosophy. I'm planning to fuse data from 9-DOF (9-Axes) IMU + GNSS + ...
Dark Sorrow's user avatar
0 votes
0 answers
73 views

Controlling 4 BLDC motors with a Raspberry Pi Model 4B

I am fairly new to electronics and have been working on a quadcopter project using the Raspberry Pi 4B. I am currently trying to figure out the best way to control four BLDC motors and would ...
ArjunSahlot's user avatar
1 vote
0 answers
38 views

Does flowing or turbulent air affect gas sensors such as PM2.5 Laser dust sensors and NDIR sensors?

My project is to place a laser dust sensor to detect PM2.5 and an NDIR gas detector on a drone to measure air quality. My understanding is that these sensors work by shining a laser through a channel ...
coding_guy69's user avatar
0 votes
1 answer
198 views

Measured continuity between my drone motors connected to N-channel MOSFETs

I am building a drone to understand more about the associated electronics and operation. I am using this guide as reference. My drone is basically the same, but I replaced the SI2302 N-channel MOSFET ...
imt_blake's user avatar
  • 441
0 votes
1 answer
47 views

How to compute a data rate "loss"?

I am studying 6G communication. There are a lot of publication about it, frequency, latency, BW and other KPIs.[1],[2] Now one of the most popular research topics is an integration non-terrestrial ...
Aid22's user avatar
  • 3
1 vote
2 answers
388 views

Powering ESP32 and two MG90S using supercapacitor

I'm working on a drone-dart project. Dart is controlled by an ESP32CAM and two MG90S servo motors. It is raised to the sky by a drone and then released. The dart falls while attempting to aim itself ...
Lu4's user avatar
  • 115
5 votes
2 answers
1k views

AC vs DC voltage regulator for hybrid drone

I am working on building a hybrid power source for a drone. I have a 7 HP, 2-stroke, 2 kg engine tied to a 7000 W permanent-magnet motor (1.8 kg, not sure a truck alternator could be close to that), ...
Greg Sorter's user avatar
0 votes
0 answers
56 views

Trickle charge or maintaing charge with drone motor?

I'm wondering if there is anyway to make a drone self charge while flying it without losing much performance? I know this could not work to completely charge but even if some type of trickle charge or ...
Alex Sebright's user avatar
0 votes
1 answer
190 views

How can I find the damaged phase in an RC drone's brushless DC ESC?

I have a damaged RC drone/quad. It has an all in one FC/ESC. The "all in one" is brand new. One of its motors is twitchy/does not spin. That motor is tested to be good. I tested it by ...
Jeffrey Edward Messikian's user avatar
-3 votes
2 answers
3k views

Is it possible to build radar system for drones detection at home? [closed]

Can I build DIY radar system using ESP32 or Raspberry Pi modules + a bit of soldering that will be able to detect drones in a radius 1-2km? Is it possible? What do I need for this and how much will it ...
Robotex's user avatar
  • 153
0 votes
1 answer
127 views

Arduino Lipo Battery Voltage Reading

I would like to read the voltage of a Lipo 4s battery with an arduino. The arduino can only support 5V in input, so I made a shematic of my voltage divide. Can you tell me if it is correct ? ...
NOMAD's user avatar
  • 1
0 votes
1 answer
463 views

Drone ESC causes motor to twitch and beep when powered and PWM signal applied [closed]

I'm trying to make a drone from scratch, and have bought four of these ESCs and motors from Ebay. Now, I've got one of the ESCs hooked up to a 7.4V lipo battery, and the 3 pin cable running to a PIC ...
Jacob Garby's user avatar
0 votes
1 answer
1k views

Choosing PWM frequency for brushless DC motor

I bought a DC motor from China to build a drone and it looks like this: DC motor. It is a 2212 1000kV DC motor. I am trying to figure out the right PWM frequency to use and I was referring to here and ...
mike's user avatar
  • 21
0 votes
1 answer
103 views

drone power distribution board on a perf board [closed]

I have seen some PCBs dedicated to being a power distribution board but the drone that I have has some connections for an in-frame power distribution board. only thing is that it may be difficult to ...
Ahmed Anwer's user avatar
11 votes
8 answers
5k 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 ...
Ahmed Anwer's user avatar
3 votes
2 answers
194 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 ...
Eryk Halicki's user avatar
0 votes
0 answers
76 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 ...
Gaston Rausch's user avatar
0 votes
3 answers
178 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 ...
Yoomo's user avatar
  • 363
0 votes
1 answer
873 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 ...
Tausif 's user avatar
0 votes
0 answers
133 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 ...
Md Golam Robbani Rohan's user avatar
1 vote
2 answers
766 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-...
Htc One's user avatar
  • 11
1 vote
0 answers
46 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 ...
Rakan Alamri's user avatar
2 votes
1 answer
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 ...
Rachel Jarvi's user avatar
-5 votes
2 answers
111 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 ...
user1685367's user avatar
0 votes
2 answers
255 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 ...
kunalbuty's user avatar
0 votes
2 answers
562 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 ...
muyustan's user avatar
  • 2,106
2 votes
1 answer
203 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 ...
Dan Hernandez's user avatar
5 votes
4 answers
2k 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 ...
DevOsource's user avatar
3 votes
4 answers
2k 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 ...
Plasmabot's user avatar
0 votes
1 answer
97 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 ...
Dharani Adithya's user avatar
0 votes
2 answers
769 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 ...
Dharani Adithya's user avatar
3 votes
3 answers
1k 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 ...
Romain F's user avatar
  • 133
0 votes
1 answer
86 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 ...
SMYAN Tez's user avatar
0 votes
1 answer
296 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 | ...
ShoutOutAndCalculate's user avatar