Questions tagged [drone]
All related to aircrafts without a human pilot aboard.
93
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What might cause a sudden voltage drop in an airborne drone's battery?
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 ...
0
votes
0
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18
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Tethered RC drone - How can I connect outputs/inputs of a flight controller (video and control) to fiber optic cable? [closed]
Commercial drone tethers typically also transmit data (control inputs and video output) to and from the drone, via a fiber optic cable.
My understanding is that this is commonly done via a ...
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1
vote
2
answers
48
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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=...
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0
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18
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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 ...
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31
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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 ...
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0
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0
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31
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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 ...
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1
vote
1
answer
27
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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 ...
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2
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2
answers
130
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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 ...
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0
votes
1
answer
88
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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 ...
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0
votes
1
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57
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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 ...
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46
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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 ...
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19
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Using Here3+ for GNSS information, missing documentation?
The Here3+ is a GNSS receiver often used by drones, specifically the pixhawk. I wanted to use this receiver in my own project for geopositioning, I am however completely unable to find any ...
1
vote
0
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85
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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 ...
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2
votes
3
answers
553
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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 + ...
- 121
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43
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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 ...
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29
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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 ...
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0
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1
answer
102
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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 ...
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0
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1
answer
40
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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 ...
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1
vote
2
answers
286
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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 ...
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5
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2
answers
859
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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), ...
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0
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52
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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 ...
0
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1
answer
154
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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 ...
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2
answers
2k
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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 ...
- 153
0
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1
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101
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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 ?
...
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0
votes
1
answer
358
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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 ...
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1
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702
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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 ...
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0
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1
answer
90
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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 ...
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11
votes
8
answers
5k
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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 ...
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3
votes
2
answers
129
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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 ...
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70
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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
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3
answers
155
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 ...
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1
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707
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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 ...
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0
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120
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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
2
answers
634
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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-...
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43
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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 ...
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2
votes
1
answer
1k
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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 ...
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2
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107
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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 ...
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1
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187
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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
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2
answers
377
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 ...
- 2,066
2
votes
1
answer
164
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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
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4
answers
1k
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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 ...
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3
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4
answers
2k
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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 ...
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1
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79
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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
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2
answers
594
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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
3
answers
1k
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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 ...
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81
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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
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1
answer
264
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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
2
answers
221
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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 ...
- 111
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0
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51
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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 ...
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2
votes
2
answers
721
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 ...
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