About

Gender

Male


Location

Buckinghamshire, England


About Me:

just interested in auto control of gliders and programing


Please tell us a bit about your UAV interest

I fly full size and model gliders and heli's and would like to play around with automated control


Hometown:

aylesbury


Activity Feed

john fletcher replied to john fletcher's discussion 5.23 Volt output signal pwm APM2
"Hi Todd,
No, I don't understand why explaining this was so hard or what harm could have been done it's a simple question.
Regards John"
Feb 14, 2013
john fletcher replied to john fletcher's discussion What's the spec for voltage on APM2
"Hi again,
Tests on the APM2 I've got show at least that:-
1) The board complete with xbee starts at 4.41V and at 5.63V.
2) At these voltages it will run for at least an hour.
3) The GPS locks and stays that way.
4) That after the hour there is no…"
May 14, 2012
john fletcher posted a discussion
Hi There,I'm sure I've just missed this, but what are the Min and Max voltages for APM2 boards?I've seen 5V in loads of places. I'd just like to know so that I can provide a suitable voltage.Many thanksJohn Fletcher
May 11, 2012
john fletcher replied to john fletcher's discussion 5.23 Volt output signal pwm APM2
"Hi There,
Well, the solution goes like this :-
First, installed the power is normally applied to the 5V rail on the OUTPUT side of the APM. APM1 does not care which side it's powered from and works even if the receiver is powered and the servos…"
May 5, 2012
john fletcher posted discussions
May 4, 2012
john fletcher replied to Jeff Simpson's discussion Issues with XBee PRO and XStreamBee adapter board
"Well, Well!!

For 2.4 XBEE Pro S2B on Sparkfun adaptors only.
After searching for hours and hours the soloution seems to bee :-
Always read the settings before you change something so that only the bits you want are changed.
Always start the…"
Apr 20, 2012
john fletcher replied to Jeff Simpson's discussion Issues with XBee PRO and XStreamBee adapter board
"Hi Jeff,
I have had little success with S2B, but I have had some!
Here's the score so far,
Changing the config with digi's utility to XB24-B and using zigbee AT co-ordinator and zigbee AT router/end device with pan id set to a useful value puting…"
Apr 9, 2012
john fletcher posted a discussion
Hi Flolks,First the kit :-Recently bought APM 1, IMU to match, compass and ublox 5 in an already flying Taylorcraft 450 by E-Flight.Now the questions,First although I'm getting most of the things I expect, yawing the airframe left and right does not…
Apr 1, 2012