James Overington
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  • Bay of Plenty
  • New Zealand
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James Overington's Groups

James Overington's Discussions

Better altitude measurement

Started this discussion. Last reply by James Overington Oct 26, 2013. 1 Reply

I use my quad for aerial videography of kiteboarders. My main mode of operation usually involves using alt-hold (and more recently loiter) to set an altitude just beyond the reach of the kites (~30m…Continue

LAND mode put quad into the sea...

Started this discussion. Last reply by Bill Bonney Jun 8, 2013. 6 Replies

I had an unfortunate incident this afternoon which has cost me all my copter electrics including my Panasonic HDC TM700 camera. I had been through four battery packs without incident when suddenly my…Continue

RSSI Logging?

Started this discussion. Last reply by James Overington Sep 24, 2013. 4 Replies

My receiver outputs received signal strength and I have connected this to the A0 pin on the APM. I have set the RSSI_PIN paramenter appropriately and can display the RSSI correctly in the MP while…Continue

CH6 Tuning doing something weird!?

Started this discussion. Last reply by James Overington May 19, 2013. 3 Replies

I have previously used ch6 to tune individual parameters without any problems. Recently I have attempted to fine tune alt hold using the same method but now when I attempt to configure ch6 to alter…Continue

 

James Overington's Page

Latest Activity

Miayan Yeremi left a comment for James Overington
"Hi James, My email notified me that you left a comment, but when I went to view it my wall is still empty. Looking forward to hearing back from you about the telemetry routing implementation. Thanks for your time, MIayan"
Aug 11, 2017
Ronello Ninettu left a comment for James Overington
"Hello James! I know this is out of nowhere but is it fine if I ask you some questions? So I'm currently working on Pixhawk and Mission Planner for a quadcopter, and (I'm sorry I'm still quite noob at this) I was wondering how it is to…"
Dec 28, 2016
James Overington replied to Arshish Maneckji's discussion 1% Compassmot interference BUT high offset values
"The offsets are not a measurement proportional to the distances of the sensor from the centre of the frame but are a measure of the magnetic field and its orientation wrt to the frame. Two different sensors held in the same position within a uniform…"
Feb 11, 2016
James Overington replied to Arshish Maneckji's discussion 1% Compassmot interference BUT high offset values
"Hi Arshish, The offsets and the compassmot values are not directly related. The offsets are related to how the sensor element is positioned relative to the copter body and the compassmot values relate to how the magnetic field at the sensor is…"
Feb 9, 2016
James Overington replied to Arshish Maneckji's discussion 1% Compassmot interference BUT high offset values
Feb 8, 2016
James Overington replied to Flavio BG's discussion Hexacopter doesn't want to lift up
"Hi Flavio, It seems that you have checked most of the likely issues that you should when attempting to diagnose the symptom you are facing. Your props are mounted in the correct orientation and are spinning the correct way and your ESC's are…"
Dec 27, 2015
James Overington replied to Shashank Shivkumar's discussion Where can I find older versions of the APM 2.x code?
"Check out http://dev.ardupilot.com/wiki/building-ardupilot-with-arduino-windows/ Here you will find instructions on how to download and compile the code. The current and earlier version of the code is available on…"
Nov 20, 2015
Magfur Ramdhani left a comment for James Overington
Nov 17, 2015
Magfur Ramdhani left a comment for James Overington
"Hello James , first of all I will introduce myself , i am school in Indonesia , Semarang State Polytechnic , and what I asked above will be my final project , I hope you can guide me , and with the utmost respect , I will embed your name in my…"
Nov 17, 2015
James Overington left a comment for Magfur Ramdhani
"Hi Dani, What you want to do is quite possible but how you go about it and what results you get will depend on what level of customization you are prepared to do. The most simple way to get live data from your sensor would be to filter the PWM…"
Nov 17, 2015
James Overington left a comment for James Overington
"Hi Dani, What you want to do is quite possible but how you go about it and what results you get will depend on what level of customization you are prepared to do. The most simple way to get live data from your sensor would be to filter the PWM…"
Nov 15, 2015
Magfur Ramdhani left a comment for James Overington
"Hello James , I 'm making quadcopter to monitor the temperature in a certain area , I wear sensor MLX90614ESF - BCI - 000 - TU - ND Non- Contact Infra Red Sensor .I read some of your discussions with other people, but because I am a newbie in…"
Nov 13, 2015
James Overington replied to TJ's discussion Arduino pro mini (as light controller / experiment platform) piggyback on APM2.
"Check out the JD-IOBoard. You can use both the hardware/software or just run the software on your own Arduino board: It connects to the APM via a telemetry port and looks at the mavlink data to allow you to perform actions based on the state of the…"
Nov 7, 2015
James Overington replied to Clifford Sumner's discussion Help with DC motor controllers and APM
"Hi Clifford, Your DC-DC converter looks a bit hefty but should do the trick for powering the APM from your lipo. Unfortunately in its default state, the APM will not provide the correct signalling to the motor driver circuit for your needs. It…"
Nov 4, 2015
James Overington replied to John Bledsoe's discussion Data Logging
"Hi Edwin, If you have successfully compiled the code then you will have an ArduXXXX.px4 file in your build directory. To upload this to your Pixhawk you can select 'load custom firmware' in Misson Planner and select this file. Loading…"
Nov 1, 2015
James Overington replied to John Bledsoe's discussion Data Logging
"Hi Edwin, So you have managed to compile the code and upload it to the Pixhawk? If you send me the code you are using to measure weight with the Arduino it will help - I will private message you my email address. You can use the Telem2 or the Serial…"
Oct 30, 2015

Profile Information

Please tell us a bit about your UAV interest
Aerial Videography in high wind (kiteboarding)
Hometown:
Kawerau

Comment Wall (9 comments)

At 4:54pm on October 18, 2014, Marco Arena said…

Thanks James, this week I have a lot work with another project. When I will be back on the quadcopter project I'll contact you.

Thank you again for your availability.

At 5:23am on January 24, 2015, Marvin said…

Hi James,

can you please have another look at my thread.

pixhawk custom sensor Integration

Your code helped me a lot but there is an little remaining problem with reading the serial data into pixhawk. I think you already solved this problem too.

kind regards !

Marvin

At 6:57pm on November 13, 2015, Magfur Ramdhani said…
Hello James , I 'm making quadcopter to monitor the temperature in a certain area , I wear sensor MLX90614ESF - BCI - 000 - TU - ND Non- Contact Infra Red Sensor .

I read some of your discussions with other people, but because I am a newbie in this case , I hope you can help me ..

I want to send sensor data through the data telemetry to log apm , then take infrared sensor data , geo - tag , attitude , altitude , and integrating and comparing several parameters , to other software in realtime ,,,

The main question is 1. How do I send sensor data via mavlink to log apm ? 2. how to retrieve data from Apm logs to be processed in another software in realtime ?


best regards
Dani

At 7:11pm on November 15, 2015, James Overington said…

Hi Dani,

What you want to do is quite possible but how you go about it and what results you get will depend on what level of customization you are prepared to do. The most simple way to get live data from your sensor would be to filter the PWM output of your sensor to give an analog voltage which you could connect as a second battery voltage monitor. This would not require any modification to the existing copter code. Are you using the APM or Pixhawk controller? If you require greater accuracy or bandwidth from your sensor then you will need to do this by modifying the code. The live mavlink data is available to other software via TCP through MP as detailed here: http://diydrones.com/forum/topics/real-time-export-telemetry-data-from-mission-planner

Regards,

James 

 You could view the output live in MP

At 3:50pm on November 17, 2015, Magfur Ramdhani said…

Hello James , first of all I will introduce myself , i am school in Indonesia , Semarang State Polytechnic , and what I asked above will be my final project , I hope you can guide me , and with the utmost respect , I will embed your name in my citations

oke back to the topic..
i am using APM 2.6, if i am require greater accuracy,,what should i do,, ?

this is my flowchart diagram%20alir%202.jpg

if there is a mistake in my flow diagram , please give me suggest


regards from indonesia :)

At 5:21pm on November 17, 2015, Magfur Ramdhani said…
At 6:25pm on December 28, 2016, Ronello Ninettu said…

Hello James! I know this is out of nowhere but is it fine if I ask you some questions? So I'm currently working on Pixhawk and Mission Planner for a quadcopter, and (I'm sorry I'm still quite noob at this) I was wondering how it is to obtain the real time data (roll pitch yaw x-y-z accelerations etc etc) of the device from the Mission Planner. I read a lot about it and found a lot of coding in MAVLink. But I havent really worked with MAVLink before.. so can I ask how can I implement codes for obtaining those values?

Would really appreciate any form of help. Thank you!

At 11:11am on August 10, 2017, Miayan Yeremi said…

Hi James,

I am working on a project were I am trying to connect multiple sensors to arduino collect data from them and then send this data as mavlink packets through telemetry 2 port on the pixhawk. I would like this data to be added to the telemetry link between the pixhawk and ground station. 

I have been reading through the DIY drones forums and saw that you have achieved the exact same thing I am after. The only problem is I did not get enough information from your post to be able to reimplement this task myself. I was hoping you could provide me with some extra information, or code perhaps in order to achieve this task. 

Thank you for your time,

Miayan 

At 8:15am on August 11, 2017, Miayan Yeremi said…

Hi James,

My email notified me that you left a comment, but when I went to view it my wall is still empty. Looking forward to hearing back from you about the telemetry routing implementation.

Thanks for your time,

MIayan

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