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Brighton, England


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Quadrocopter's and Robots


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Arthur Guy replied to Arthur Guy's discussion PX4IO Servo outputs not working in ArduCopter User Group
"So far I have found the whole PX4 system to be very intermittent in terms of when it wants to work and when it doesn't. The SD card becomes corrupt a lot which knocks the IO board out of action and I find it very hard to get this mission planner to…"
May 30, 2013
Arthur Guy replied to Arthur Guy's discussion No backwards driving! in ArduRover User Group
"Should I create new issues on github for these bugs or have they been passed on?"
May 29, 2013
Arthur Guy replied to Arthur Guy's discussion PX4IO Servo outputs not working in ArduCopter User Group
"Does anyone know what could be the cause of this?
If its a hardware fault I would like to be able to return it asap."
May 29, 2013
Arthur Guy posted discussions in ArduCopter User Group
May 26, 2013
Arthur Guy replied to Arthur Guy's discussion No backwards driving! in ArduRover User Group
"Another bug spotted.
In the same configuration as above if I try and use the slew rate any setting above 0 screws up the driving. The behaviour is very wired, throttle doesn't work and it continually moves backward at a slow rate.

Additionally if I…"
May 19, 2013
Arthur Guy posted a discussion in ArduRover User Group
This time my rover is refusing to go backwards!I have a skid steering output and a normal steering input and the rover is refusing to go backwards.If I adjust the steering, the outputs alternate power as expected and if I give it power both outputs…
May 18, 2013
Arthur Guy replied to Andrew Tridgell's discussion APMrover2 2.41 released in ArduRover User Group
"The MaxBotix sensors can be chained allowing you to use multiple devices at once without interference, the only thing you need to do is trigger them once during startup, rather than adding enable pins for each sensor why not add a single sensor…"
May 11, 2013
Arthur Guy posted a discussion in ArduRover User Group
Hi all,I hooked up my robotic platform to an apm running ardurover today and at power on it drives backward at full speed.The platform uses skid steering and I am not using an rc controller so its either the apm seeing the low rc inputs thats doing…
May 11, 2013
Arthur Guy posted a discussion in ArduCopter User Group
Hello all,I have built a quadrocopter with a custom frame and I have been testing it over the past month and I have an issue with the altitude I am hoping someone can help with.The main problem is getting the copter to fly at a fairly low altitude…
Mar 10, 2013
Arthur Guy replied to Bud Zirkle's discussion Motor Run Up Test in ArduCopter User Group
"I would be interested o find out if you resolve this issue as I am experiencing the same problem.
I have just tested it now and I am seeing the same issue with motors 1 & 2 drifting from motors 3 & 4.

As far as I am away everything is calibrated…"
Jan 14, 2013
Arthur Guy replied to Arthur Guy's discussion Altitude GPS correction in ArduCopter User Group
"@Will Snodgrass
I tried with and without the sonar and it behaved the same both times, it was over solid ground so the sonar sensor seemed to be returning alright data.
I have covered the barometer but perhaps not well enough.

Does the GPS have any…"
Nov 21, 2012
Arthur Guy posted a discussion in ArduCopter User Group
Hello,I am just getting started with an arducopter controlled quadcopter and I am having some problems with altitude readings.When I try switching into altitude hold mode the quadcopter drops to ground level and then when I switch out it returns to…
Nov 21, 2012