ReNNo

Yaw Jitter
Is gimbal producing high frequency vibrations? If yes, maybe you can try using Notch Filters. By using Notch filters I managed to use much higher gains that resulted in noticeable better stabilization.

Comment by ReNNo June 2018 permalink
IFlight Extended Internal IMU
Also, check if Frame IMU is disabled in Hardware menu. btw, you don't need frame IMU when having encoders :)

Comment by ReNNo November 2017 permalink
Roll gets unstable when pitch is 90 degree up or down
Hi Teppo, usually motors don't have 12 poles but 14. Try to set 14 poles and try again. AUTO function doesn't give correct number of poles everytime. btw, if you not use encoders, do you use frame sensor? If not that can be source of your…

Comment by ReNNo November 2017 permalink
PID auto tune fails and encoder calibration fails due to number of poles error...
Yes, that makes sense :) Thanks Alexey... As this option is new I didn't bother to read all options and I set zeros to all fields as described in manual. I didn't get any other error by setting it to zero. Also, I erased EEPROM to see if …

Comment by ReNNo November 2017 permalink
PID auto tune fails and encoder calibration fails due to number of poles error...

Comment by ReNNo November 2017 permalink
PID auto tune fails and encoder calibration fails due to number of poles error...
UPDATE: I can calibrate encoder el.fields with 2.66b0 firmware version by using 2.62 version of GUI.

Comment by ReNNo November 2017 permalink
PID auto tune fails and encoder calibration fails due to number of poles error...
I have the same problem using the latest 2.66b0 firmware and also stable version 2.63b0. When I downgrade to 2.62b8 I can calibrate el.fields without problem.

Comment by ReNNo November 2017 permalink
Bluetooth joystick for Basecam gimbals

Comment by ReNNo August 2017 permalink
ICM20608 vs MPU6050
I see this is old thread and I'm wondering if there are users who tested ICM20608? Are there any noticeable improvements?

Comment by ReNNo July 2017 permalink
BGC 3.0 Two-Axis Gimbal Controller use with NodeMCU microcontroller
You need PWM pulse from 1000 to 2000uS, frequency is 50Hz. That is standard for most of Radio-Control devices. You can also use S.BUS or SUM-PPM protocol. Other way to interface with microcontroller is by using Serial API. Here are good examples to …

Comment by ReNNo July 2017 permalink
Slip rings - experiences
I agree, that is the best approach if you really need 360 on yaw.

Comment by ReNNo July 2017 permalink
Bluetooth joystick for Basecam gimbals
Thank you stevecassidy for your suggestion. It won't be difficult to replace current 2-axis joystick with 3-axis. I'll consider to make also 3-axis version. As most of people don't care about roll I decided to make first version with…

Comment by ReNNo July 2017 permalink
Battery Type
Using Li-Ion will also give you better capacity for the same size as Li-Ion has better energy density.

Comment by ReNNo April 2017 permalink
GoPro gimbal for full-scale aircraft?
What about using some kind of dome? Something like this: https://www.hobbytown.com/vg2dh3h-2axis-gimbal-with-dome-enclosure-by-volantex-r-c-vltvg2d-h3h/p444592

Comment by ReNNo April 2017 permalink
Slow USB Data
Same problem here, tried 3-4 boards. But with HC-05 module there is no delay, only when using USB. Very strange. It is also Windows 10.

Comment by ReNNo March 2017 permalink
Ways to measure L7805ACT regulator output
It is probably wrong connection. Does it heat event without load on output? btw, is is more efficient to use buck converter. Something like this: http://www.ebay.com/itm/Super-Mini-3A-DC-DC-Converter-Step-Down-Adjustable-Power-Supply-buck-Module-/12…

Comment by ReNNo March 2017 permalink
Noise and Twitching on Pitch Axis
AUTO-DETECT doesn't always work correctly. So you need to manually enter number of poles. I'd rather suggest you to switch to 32bit controller and dual IMU. That is what helped me a lot with my GoPro gimbal builds.

Comment by ReNNo February 2017 permalink
SimpleBCG 32-bits Analog port Power Supply
Not sure about ADC pins, but RC inputs are 5V tolerant because they support regular RC receivers.

Comment by ReNNo February 2017 permalink
SimpleBCG 32-bits Analog port Power Supply
Here is a sketch that is used: https://github.com/alexmos/sbgc-api-examples/blob/master/LCDRemote/LCDRemote.ino Currently you can move roll by rotating encoder but it won't be difficult to do modification in code and associate roll movements w…

Comment by ReNNo February 2017 permalink
SimpleBCG 32-bits Analog port Power Supply
I think there is more elegant solution to have remote control of your gimbal. Follow this tutorial: https://www.basecamelectronics.com/company/blog/show/?newsid=146 I tested this and works great :)

Comment by ReNNo February 2017 permalink
Connect ONLY Yaw Encoder
I just checked, it should be connected to RC_PITCH. You will not be able to select port where it is connected but you will know that it works by checking it in "Monitoring". ENC_RAW_Y will appear and you will be able to check it. You wil…

Comment by ReNNo February 2017 permalink
Connect ONLY Yaw Encoder
To use yaw encoder in non-encoder version it has to be connected to RC_ROLL. (I'm not 100% sure, if I'm wrong try connecting it to RC_PITCH) But there are not lot of benefits when using encoder only on YAW. Gimbal will consume same current…

Comment by ReNNo February 2017 permalink
3 axis dslr gimbal joystick
I'm not sure if I understood your question. You can only control pitch? Can you make screenshot of RC Settings.

Comment by ReNNo February 2017 permalink
Dead When Power Applied Alone - Lights Up When USB also Plugged In
Sounds like issues with voltage regulator...

Comment by ReNNo February 2017 permalink
3 axis dslr gimbal joystick
Using small generic joysticks that we find on ebay can be very painful. I suggest using something larger, that gives better precision. Something like this: https://hobbyking.com/en_us/frsky-replacement-gimbal-for-taranis-transmitter.html

Comment by ReNNo February 2017 permalink
Tuning driving me crazy. ROLL and YAW are twitching and going crazy.
I would to following: - 6 point calibration of camera and frame IMU - Very precise mounting of IMUs (IMUs must be parallel to motor axes and fixed firmly, don't use thick piece of duble sided tape) - Defining motors direction - Entering cor…

Comment by ReNNo November 2016 permalink
Yaw won't turn past certain point, twiching and shaking.
Check connectors, they can be loose. If connectors are not causing these problems then use Garug's suggestion and also use additional ferrite rings on motor and IMU wires.

Comment by ReNNo November 2016 permalink
RC Input for Pitch with Encoder Version
On any other input, just map it in configuration app on RC Tab.

Comment by ReNNo November 2016 permalink
Encoder benefits
Anyone noticed improvements of using encoders for gimbals mounted on multirotors? I successfully made gimbal for GH4 and it works OK, but I still can notice some shakes on yaw axis, it is not perfect. When testing precision of axes, pitch and rol…

Comment by ReNNo November 2016 permalink
Cannot tune Yaw Axis
Also, be sure that you enter correct number of poles. AUTO function for motor direction works great but can screw up number of poles value. Enter manually number of poles, it is most likely 14.

Comment by ReNNo November 2016 permalink

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About

Username: ReNNo
Joined: November 2014
Visits: 371
Last Active: January 2021
Roles: Member