Questions tagged [flight-controller]
The electronic component responsible for controlling a drone or model aircraft based on inputs from the receiver and outside forces acting upon the drone or model aircraft.
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Correct Flight Controller mixer settings for quadcopter with non-centred Centre of Gravity
I have a HobbyKing KK2.0 Flight Controller (FC) on a quadcopter. I have been trying to work out the correct mixer settings for a new H configuration I'm trying however the documentation isn't that ...
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Can I use an RX6R's PWM and SBus outputs simultaneously?
I'm looking at options to build a pan/tilt system for FPV. The FC that I have available has only 4 servo outputs, and the airplane has 3 servos. Given this, I can't run the pan and tilt through the FC....
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Powering the PixHawk with USB on the "Power” port
I was wondering if it is possible to power a pixhawk with an USB cable (power from a powerbank) via its "Power" port. Something like a DF13 to USB cable, maybe with a DIY cable. I just need ...
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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 ...
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BLHELI32 DShot600 or DShot150 is not activated in my ESCs from my code written in c c++ in testing with 3 different ESC
My question is more related to inner working of ESC than coding. Particularly how to activate a particular protocol like DShot600 or Dshot150. Assuming a generic BLHELI ESC has all these protocols. I ...
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How can I read the recording status of a Runcam Split 4 through UART?
I am working on a project where I need to interface with a Runcam Split 4 using its UART protocol.
You can find the protocol documentation here
I am able to get info about the device features through ...
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I am looking for a board like the Multiwii Crius SE. It is currently discontinued and I really need an alternative that supports Multiwii firmware
Here is a link to Multiwii and it's site --> http://www.multiwii.com/
Multiwii was really popular around 2011 to 2015. Ever since, their best board, the Crius SE, has been discontinued. I am really ...
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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 ...
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What is the frame system defined for Orientations comptutation using Quaternions [Madgwick filter/ Mahony filter]?
I am working with MPU9250 and I have implemented attitude & heading reference system based on Madgwick/Mahony filter. I capture the raw data [accel, gyro, mag] and pass to the Madgwick filter in ...
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What are the steps to connect the Pixhawk to Auvidea J120 board using a telemetry cable?
I'm looking to get a connection between my Pixhawk and Onboard GPU using telemetry. However, it doesn't seem to be connecting for some reason. I followed the instructions given on this page - https://...
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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 + ...
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Custom flight mode in pixhawk flight controller
I am trying to convert a pixhawk drone into a quadrotor biplane tailsitter. Is there a way to create a transition flight mode where a motor pair will lower its RPM for a while until the drone's axis ...
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Which setup for tilting rotor quadcopter?
I'd like to build a quadcopter with rotors that can tilt to increase the drone's flexibility. So far, I have only used a KK 2.1 board as a flight controller which doesn't really have this capability ...
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Location of Flight Controller in drone (PX4 specific)
I have a question for experienced users of PX4. Can the flight controller be placed anywhere in the drone, as long as it is pointing in the right direction and the calibration is made in the correct ...
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Control algorithms for drones
I am hobbyist trying to understand control architecture of quadcopter.Cascaded control helps rejecting any disturbances, giving a fast response. But then why are using a square root controller instead ...
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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 ...
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How much current can float through all pads of the PDB (Power distribution board)?
I want to buy the „PDB-HEX, 12S“ Power Distribution Board. Are the current values of PDB/current sense resistor and ESC power pads meant for the summarized current of all motors or for each Motor? Why ...
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Connecting a RS232 sensor to the Pixhawk
I have an airspeed sensor that outputs a RS232 signal. This is the sensor: https://www.aeroprobe.com/micro-air-data-system/. I want to connect this sensor to the Pixhawk in order to use the data for ...
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Nazgul Evoque 6s vista/polar ; FC replacement and OSD question
Thanks for the grammar and spelling check its has been a long night and considering I am not a native speaker, I won't meddle (sp?) in the future...
As for my answers, I was providing additional ...
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Raspberry Pi 4 between flight controller and receiver
I have TBS Crossfire Micro TX, Nano RX and Raspberry Pi 4, I haven't bought a flight controller yet because I have a problem:
Until the drone receives a special command from the transmitter - I ...
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How to add custom betaflight code to obtain data from I2C device and pass to OSD?
I successfully obtained data from my I2C device in Arduino:
...
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PIXHAWK 2.4.8 | EMAX Formula Series 45A ESC | No motor is rotating
I'm building S550 Hexacopter from a combo kit. I've made all the connections correctly. I've calibrated the ECS individually & motors run without any issues.
But when I arm the drone to test all ...
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What should I do if the radio and micro receiver don't run on the same protocol?
I recently got started on FPV and I got a cheap Tyro 69 toothpick and a Flysky fs-i6 radio, but the micro receiver won't bind to the radio, should I get another micro receiver that run on ibus, or buy ...
