"Hasn't Google been in trouble recently for invasions or privacy regarding collecting WIFI data while driving their cars around with camera's on board looking into everyone's property? I fly FPV whenever I can and would never give it…"
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James Turner
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Interference caused by Xbee Pro with Wire
Started this discussion. Last reply by James Turner Nov 8, 2009. 2 Replies 0 Likes
James Turner's Page
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James Turner commented on Gary Mortimer's blog post Google chief urges action to regulate mini-dronesJames Turner replied to Peter Chaffe's discussion Xbee legal in the UK ?"Hi Peter, I don't think the problem is with harmonics as I'm sure they are probably filtered, I think its simply a case of legislation which requires the units to shut down after a period of time and this restriction is built into them at…"
James Turner replied to reinaldo watanabe's discussion Visual Basic + Joystick"Just spotted there has been a few people asking for this code sample and just seen that there is an upload button. A bit late but might be useful for anyone else who come across this post."
James Turner replied to Chris Tuska's discussion Laptop controling viewing FPV and a joystick"No probs, Here you go."
James Turner replied to Chris Tuska's discussion Laptop controling viewing FPV and a joystick"HI Chris, I am developing a similar project although I capture the video to a standalone screen and DVR. Mine is written in vb2010 but most of it should compile in vb.net, you are welcome to a copy of the source if you like. Although not the best…"
James Turner replied to Martint BuildYourOwnDrone.co.uk's discussion Wireless Telemetry - Options in the UK"HI Martint, Not really as they can just run straight out of the box. I used the utility to set the baud rate and power I wanted. There was also an option to turn off repeatng of missed packets. I can't recall at the moment exactly what it was…"
James Turner replied to Martint BuildYourOwnDrone.co.uk's discussion Wireless Telemetry - Options in the UK"your welcome Martint. I went through the same problems with telemetry at the start of last year so its great to be able to share a bit of experience and save someone else the hassle. There was also a discussion started by reto back in jan 2009…"
James Turner replied to Martint BuildYourOwnDrone.co.uk's discussion Wireless Telemetry - Options in the UK"HI D, Johann
I Have'nt really let it go too far out of LOS because I need to alter the GCS software to change the power levels depending on the range and I havent got round to it yet. If they are set too high at short distances they don't…"
James Turner replied to Martint BuildYourOwnDrone.co.uk's discussion Wireless Telemetry - Options in the UK"HI Martint, Yes the duty cycle can be got around by simply applying a low signal on the reset pin. The signal only needs to be very short and the units connect again straight away. The 10% duty cycle is fixed an cannot be changed but please bear in…"
James Turner replied to Martint BuildYourOwnDrone.co.uk's discussion Wireless Telemetry - Options in the UK"I Tried the easyradio LPRS 433 modules last year and had nothing but trouble with them regardless of what baud rate I used. After having many unexplained nose dives or sudden climbs at different flying locations I decided to put the easystar back on…"
James Turner replied to Reto's discussion Xbee Pro long range made affordable until end of February 2009"HI Kim,
I don't think there can be much more progress with the duty cycle problem other than resetting the device from time to time as it's a restriction imposed due to the frequency it uses. I personally have not tested the exact solution…"
James Turner replied to David spencer's discussion xbee - definitive set-up"There was a post back in February 2009 all about the duty cycle of the 868. As Paul say's, Its a pain but still usable."
James Turner posted a videoGCS servo testing
01:23
Short flight to test the servo control of the GCS after adding a joystick deadzone to the program. I used a JXD990 for the first time today to record the session. despite the settings the quality is very poor.
James Turner replied to reinaldo watanabe's discussion Visual Basic + Joystick"your welcome. Hope you can get some use of it.
James"
James Turner replied to reinaldo watanabe's discussion Visual Basic + Joystick"No problem. I've emailed you the Visual Basic project.
James"
James Turner commented on Janne Mäntyharju's blog post Making of XBee-pro 868 based r/c controller"Thanks Janne got it going now, I did look at the data sheet but sometimes it's even better to see and example from someone who has already been there and done it. That's saved me from putting a can over the antenna."
Profile Information
- About Me:
- I have over 20 years experience with electronics and the last 13 of those have been with Microprocessors and Microcontroller's. I decided to have a go with RC planes which I have always wanted to do. Having combined the two hobbies I'm now gettting into UAV's. I've also started to get into amature radio and have made many usefull modifcations to my GCS setup based on what I've learned on the radio courses.
- Tell us a bit about your UAV interest
- I'm not really trying to develop a fully automated system because I enjoy flying the planes myself. I would prefer to develop a good ground station system with an autopilot on the the airframe to take over flight if I need a break or in case of communications problems. My dream system would be to develop a cockpit similar to what those flight sim guys develop but controlling my uav from it instead of flight sim. it's not extactly portable but could be a lot of fun.
- Hometown:
- Burnley
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GCS servo testing
Added by James Turner 0 Comments 0 Likes
Comment Wall (6 comments)
- At 4:18pm on September 2, 2009,
Joe Jackson said… - Thanks James,
If you have a copy of the code for the PIC to replace the Pololu I would like to see it.
jajacksx@live.co.uk
I was going to run the the signal used to switch on the red led on the Pololu over to the reset pin on the pololu to see if it would be an option to reset it,it might not like it on a power up .
- At 11:40pm on September 2, 2009, James Turner said…
- I Thought about the same thing but it always seemed to go back to the red light if it was restarted whilst data was be sent to it. it's a shame because the pololu unit is really small so it would have been ideal.
- At 3:07am on September 3, 2009, Joe Jackson said…
- jajacksx@live.co.uk
James if you send the files to above email it would be good.
I dont know how to send emails internally within the diydrones site.
I might try use the red LED signal to reset the XBee aswell, that would stop data transfer ,it would be a a timing between issue then between the resets.
- At 5:49pm on September 11, 2009, Joe Jackson said…
- I have not tried the software,when I get around to it I will use the timer interrupt section of it.
I beefed up the power supply to cut down on interference..
I had been running the setup on a bread board with linear regulators.
I got 2 switching regulators and have them running off the main battery.
One regulator for the servos and one regulator for the rest of the electronics.
I need to run this in now to see if it has reduced the chances of lock up on the pololu.
I will still need to setup a new serial servo controller anyway.
I saw on your page you had easystar(or something like it)
I decided to get one myself to use for flight testing,too much time and effort in the larger model to see it plough a field.
Plus I need to learn how fly........so far I have crashed and burned on cheap foam rc plane.
- At 11:53am on September 13, 2009, Paul Wane said…
- Hi James. thanks for dropping in the mail. I live near Pilling Sands, Knott end. Perfect for test flights on a calm day which we have had for three days so far. If interested give me a shout.
- At 2:30am on September 14, 2009, Paul Wane said…
- Not yet started due to funds. the company l worked for collapsed in Jan, not been able to find a suitable position and now just started basic aeronautical engineering. I have a glider with a 1.8m wingspan, electric engine and heavy NiCad 7.2v 1800ma battery which l can chage to a poly battery to save weight. had it for 8 years, the rest of the squadron have crashed over the years.
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