Andreas Puchl
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Andreas Puchl's Discussions

Stabilize mode doesn't work, but Alt Hold mode works just fine, why?

Started this discussion. Last reply by David Garrett Jul 30, 2016. 10 Replies

Hello,I built my quadcopter with APMcopter/Arducopter and I use Mission Planner on Windows to fly it. There are no extra external sensors such as compass or GPS or cameras - I have those but didn't…Continue

The STM32F4Discovery board - PX4 does not work

Started this discussion. Last reply by Bogusław Boczkowski Jan 5. 1 Reply

Hello diydrones community,I recently got into quadcopter flying with a Hubsan X4, now I want to build my first own quadcopter. This week I received all the parts that I need, based on a DJI F450…Continue

Tags: firmware, STM32F4Discovery, STM32, STM32F4

 

Andreas Puchl's Page

Latest Activity

Bogusław Boczkowski replied to Andreas Puchl's discussion The STM32F4Discovery board - PX4 does not work
"Hi I am looking tutorial how to upload px4 to stm32 f4 duscovery, the link which you provide is not longer available, do you have instruction and require software how to do this?"
Jan 5
David Garrett replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"Yeah I know that the DJI esc's can't be calibrated... but what I did do was to alter the CH3 MIN to 1120, and that made the esc's and motors more responsive and in synch with one another.. But glad that your system is all working as…"
Jul 30, 2016
Andreas Puchl replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"I see. Well, for the DJI ESCs I have it is not possible to calibrate them (if you try, it won't go into the calibration mode), it's simply not necessary. I tried flying the quadcopter again today after letting it sit for three days. Guess…"
Jul 30, 2016
David Garrett replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"just been told that because I am using DJI E300 esc's that I needed to adjust a setting in the FULL PARAMTER TREE.. I have attached a screenshot.... I was having probs with motors not all spinning up in sync... I adjusted the RC3 MIN to 1120…"
Jul 30, 2016
David Garrett replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"no worries, hope you get things sorted out soon...."
Jul 29, 2016
Andreas Puchl replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"It certainly can't hurt, but as I said: In Mission Planner I can see that the APMcopter software gives less power to the rear motors, so it's something that will have to be resolved via APMcopter, not with an ESC calibration. If there only…"
Jul 29, 2016
David Garrett replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"I use the DJI  E300 on my Hexacopter... but I still performed an ESC calibration.... not saying that it will make any difference... but it can't hurt to try.. ;-)"
Jul 29, 2016
Andreas Puchl replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"I did not perform an ESC calibration because I use the ESCs from the DJI Flame Wheel F450 set and those do not require calibration."
Jul 29, 2016
David Garrett replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"you said you calibrated everything... did you perform the ESC calibration as well???"
Jul 29, 2016
Andreas Puchl replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"You seem to have misunderstood. The quadcopter is placed on a flat surface, set to Stabilize mode. I arm the quadcopter and add power. The two front motors spin normally, one of the motors in the back does not spin and the other one spins very…"
Jul 28, 2016
Andre K. replied to Andreas Puchl's discussion Stabilize mode doesn't work, but Alt Hold mode works just fine, why?
"Congratulations on your conclusion "ap does that on purpose" Now ask yourself, what would happened if two motors actually produced more thrust, as commanded ? As long you hover in insignificant wind, and CG is about center, and ESCs are…"
Jul 28, 2016
Andreas Puchl posted a discussion

Stabilize mode doesn't work, but Alt Hold mode works just fine, why?

Hello,I built my quadcopter with APMcopter/Arducopter and I use Mission Planner on Windows to fly it. There are no extra external sensors such as compass or GPS or cameras - I have those but didn't install them just yet - and want to try out the basic functionality of the quadcopter.In Alt Hold mode the quadcopter flies perfectly well and when I first tried the Stabilize mode, the quadcopter also flew just fine with that. But after I landed it that first time in Stabilize mode, I can't fly it…See More
Jul 28, 2016
Andreas Puchl posted a discussion

The STM32F4Discovery board - PX4 does not work

Hello diydrones community,I recently got into quadcopter flying with a Hubsan X4, now I want to build my first own quadcopter. This week I received all the parts that I need, based on a DJI F450 Flame Wheel ARF kit.After reading all about the different microcontrollers and the PX4 and Arducopter firmwares, I found out that the STM32F4Discovery board runs the PX4 firmware. I have that at home and thought I'd give it a try. Because quite honestly, I can't afford a new Pixhawk controller, it costs…See More
Dec 19, 2015

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Please tell us a bit about your UAV interest
I am a beginner, trying to assemble and fly my first drone.
Hometown:
London

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