Questions tagged [quad-copter]
This should be used when asking any question about quadcopters.
55 questions
0
votes
1
answer
33
views
Implementing a nonlinear controller for a quadrotor aircraft
I was trying to implement a nonlinear controller based on nested saturation technique for a quadrotor UAV as part of an college assignment. The controller design is given in detail in this paper ...
0
votes
0
answers
120
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 ...
0
votes
0
answers
127
views
PID output to motor rpm
I am working on my project "Control design for tilt rotor." The UAV has 4 tilt rotors and I am using PID to controller for position and attitude control (outer and inner loop).
...
0
votes
0
answers
41
views
How do I choose an ESC for my plane motor? How do I set the current?
I made an airplane and I have to choose an ESC for the motor. This motor can operate at values such as 12 V-16 C (current), 8 V-9 C, 12 V-20 C, and 8 V-12 C.
I want to run it at 8 V-12 C. Should I ...
- 1
0
votes
0
answers
84
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 ...
- 113
1
vote
1
answer
78
views
Unreliable wireless comunication between 2 arduino boards
I am facing a strange and very frustrating issue while realizing a basic radio comunication between 2 arduino boards, one Arduino Nano and one Arduino Uno. For such a purpose, I am using the NRF24L01 ...
- 113
0
votes
6
answers
999
views
About using the Quad-copter motors as power generator (charging its battery when do nothing)
I am searching the Lego based quadcopter projects via google search it this project, like show below:
So some quadcopter combining toughener to do bigger works, for example by combining some number ...
- 459
0
votes
1
answer
926
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 ...
- 35
0
votes
2
answers
50
views
Unexpected ESC behavior upon propeller contamination [closed]
Background:
I am investigating propeller behavior upon contamination.
For that i built a test rig with one DJI E800 brushless motor, E620s ESC (sensorless) and standard prop. I am giving the ESC a ...
0
votes
0
answers
139
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 ...
0
votes
1
answer
539
views
ESC target speed tracking for brushless motors
Does anyone know if the common ESC units used for drones allow for target speed tracking as either open-loop or closed loop system? A lot of the units I have seen only let you set min/max throttle via ...
- 740
0
votes
2
answers
652
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 ...
- 2,136
1
vote
1
answer
469
views
How to prevent a battery powered microcontroller(ESP32) from reseting when motors start running?
I am working on a brushed motor quadcopter. It is powered by a 3.7V LiPo Battery. I have an ESP32 microcontroller which sends PPM signal to a SP Racing F3 EVO Brushed flight controller. The 3.3V to ...
- 75
3
votes
4
answers
3k
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 ...
- 39
0
votes
1
answer
109
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
2
answers
858
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 ...
0
votes
0
answers
95
views
Do I really need motor drivers for a quadcopter? [duplicate]
I am planning to build a quadcopter, so I searched about motor drivers, then I thought "Do I really need a motor driver?", I mean the only thing I want to control is the motors' speeds, so won't ...
- 231
0
votes
1
answer
293
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 ...
0
votes
1
answer
56
views
Quadcopter RX TX questions [closed]
I'm working on a quadcopter and have some questions about the receiver and transmitter. I'm going to be milling the boards myself and wanted to know what would be a good carrier frequency to use. I ...
- 79
1
vote
2
answers
1k
views
Can you discharge a 3s LiPo battery from both its main plug and it’s balance plug?
So I’m building a quadcopter, and I want to be able to use the same battery to power both the escs and the flight controller.
However, the escs are connected to the PDB which is connected to the ...
1
vote
0
answers
343
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 ...
- 73
1
vote
1
answer
299
views
How can I find the transfer function of a quadcopter's motor? [duplicate]
I want a model of a quadcopter and, thus, I need the transfer function of the motor.
Any suggestions on how to do it will be very helpful for me. Thanks.
- 11
0
votes
1
answer
2k
views
Output of Brushless ESC for controlling Brushless Motor
Suppose, I have 40A ESC and Brushless Motor with max current capacity of 30A. I am using Receiver for controlling Motor speed and Arduino as controller. Receiver sends 1ms to 2ms pulse every 20ms. ...
- 103
0
votes
1
answer
155
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 ...
- 1
0
votes
2
answers
483
views
Trigger digital interrupt on negative voltage
For a little project of mine (FPV OSD for Quadcopter Camera) I need to detect every time the signal voltage goes negative. The Signal I get is NTSC. Here each line sync is marked by the voltage going ...
- 889
3
votes
1
answer
204
views
Identifying the bottleneck component in a Quadcopter build [Jerking motors] [closed]
I started making my first ever quadcopter last week, I didn't really have any idea about the components to use beforehand and I ordered somewhat randomly after reading up a little bit about the ...
- 51
0
votes
1
answer
537
views
How to solder through-holes for quadcopter boards?
Its a flight controller for multicopters. Should i stick the wires from the top or bottom, and should i solder the top side or bottom side? I searched on youtube, but there is no definitive way to do ...
- 271
1
vote
2
answers
137
views
Identifying a BLDC and its characteristics
I have some motors to be used in copters, can anyone tell me:
a) if they are BLDC
b) how could I find what current they would draw and their power ratings?
c) what ESC should I use for it
- 307
1
vote
3
answers
2k
views
Quadcopter Balancing with PID algorithm
I am doing a project on self balancing quadcopter with Autonomous control. I am using Arduino Mega 2560 and MPU6050. I have obtained the roll and pitch angles from MPU6050 without the help of DMP and ...
- 13
1
vote
2
answers
365
views
A constant 5V buffer circuit
The flight controller for a quad needs constant 5V supply. But since I have a battery protection circuit, during the switch between the primary and the secondary battery the power supply goes low for ...
- 31
0
votes
1
answer
813
views
small brushed motors thrust
I built a quadcopter. It had a very low total thrust/weight ratio, and after I added some components it doesn't fly any more, so I want to change its motors and propellers in order to increase thrust.
...
- 397
0
votes
1
answer
163
views
Quadrotor flight controller and actuator dynamics [closed]
Do off the shelf flight controllers for quadrotors, such as pixhawk or cc3d, take into account BLDC actuator dynamics? For example you can design a controller to compute propeller rates, and then ...
- 367
0
votes
2
answers
229
views
microcontroller current supply - noise minimisation
I'm building an Arduino-based quadcopter. I already built a partially working prototype and now I'm preparing the second version, which will probably be the definitive one.
Instead of the the whole ...
- 397
4
votes
3
answers
1k
views
4 channel software PWM using Atmega16 for controlling 4 ESCs for brushless DC motors
I am trying to implement software implemented PWM for controlling 4 ESCs using an atmega 16 microcontroller.
To achieve that I am sequentially generating the pulses for each ESC one by one in every ...
0
votes
2
answers
13k
views
Brushless motor dynamics (BLDC transfer function)?
I am building a quadrotor and want get a reasonable estimate of the dynamics (voltage to rpm transfer function) of the motors. I am wondering:
1) Is the transfer function for a typical BLDC 1st or ...
- 367
-1
votes
2
answers
1k
views
Speed Control of Brushless Motor [duplicate]
I am working on a project(quad copter) which includes speed control of a brushless motor with raspberry pi.
To control the speed of the motor, I will use PID controller, however I could not find a ...
- 9
0
votes
2
answers
3k
views
Do i really need two grounds
I'm a quadcopter FPV addict, and I'm building a new one.
As pointed out i will first explain some acronyms of the rc world
PDB (Power distribution board)
CCD (Type of camera sensor, cmos
ccd... not ...
- 101
1
vote
1
answer
1k
views
What is this flat pin battery connector on my quadrocopter called?
Has somebody seen this type of connector before and can tell me what it is called?
It has flat pins, a 2 mm pitch, and "wings" on the side to prevent reversing it. Copious amounts of searching the ...
- 770
1
vote
1
answer
538
views
Quadcopter balance with MPU-6050
It is not uncommon to see people asking about how to balance a quadricopter using MPU-6050. It's also common to see people answering that a PID controller is needed. However, people doesn't say how.
...
- 11
0
votes
4
answers
2k
views
Battery voltage drops when connected to a motor
I was recently working on a quadcopter so I bought a pair of coreless DC motor. My intention was to use an Arduino (DIP chip) to control the speed of the DC motor (rated 3.7 V) through a transistor.
...
- 23
3
votes
3
answers
6k
views
MPU-6050 angle readings under mechanical vibrations
I'm in process of making a quadcopter. At this point I encountered a problem with MPU-6050 angle calculation.
When quadcopter is stationary with motors in off state and I'm tilting it, angle readings ...
1
vote
1
answer
239
views
Why is GPS module acting strange?
I am working on a Arduino based quadcopter. The Arduino being used is a Blend Micro. Not shown in the following diagram are 4 infrared sensors, 1 ultrasonic sensor and a 9 axis accelerometer.
The ...
- 13
3
votes
2
answers
72k
views
ESC motor and battery matching [closed]
How can you tell if an ESC, brushless motor and Li-Po battery will work together. Specifically, I have a A2212 Outrunner Brushless Motor KV2200, 30A Brushless Speed Controller ESC and I am looking for ...
- 167
0
votes
1
answer
1k
views
Balancing quadcopter using mpu6050 [closed]
I am on a project which nearly completed. But what remains is balancing. My project is making a quadcopter. All the programing and hardware stuff is completed. But when i fly it, it doesnt goes up, it ...
5
votes
1
answer
344
views
How would you dampen this little quadcopter?
Well,
I made a little quad from scratch. From scratch as in from PCB design.
After assembling, testing, some coding, it turns out my accelerometers get WAY TOO MUCH vibrations and I can't detect ...
- 145
2
votes
2
answers
6k
views
Is it normal for a transistor running a motor to be very hot?
I've researched for a few hours but I'm still concerned.
I'm building a very low budget quadcopter (think toothpicks) and as I've seen on this site, a D10N05 mosfet would do the job. I've visited 3 ...
- 634
-1
votes
1
answer
1k
views
Controlling an ESC for Brushless Motors with an RPi [closed]
Originally posted on Robotics, but guess it's not active enough.
I'm looking to build a new (first) quadcopter without the conventional flight controller and radio, with an onboard RPi and applying ...
- 189
0
votes
1
answer
532
views
Guidance & Info about Quadcopter Project [closed]
I'm new in forum and since I made some research the past days I'd like to get some guidance about constructing & programming a Quadcopter from scratch since I'm completely new on a project like ...
- 11
-2
votes
1
answer
1k
views
Long-range RF comm with decent data rate [closed]
I'm building a quadcopter powered with Arduino. For testing purposes, I'm currently using bluetooth. In the future, however, I would like to have some form of fairly long range communication that also ...
- 153
2
votes
2
answers
2k
views
How to run ATmega328P-PU using 3.7v Lipo 600mAh?
I want to run bare ATmega328P-PU using 3.7v 600mAh Lipo Battery. The Lipo is used to run Nano Quadcopter. The discharge rate is 20C.
My Question is:
1. Will connecting Lipo to my atmega directly fry ...
- 35