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Pekka Ahola commented on Randy's blog post ArduCopter 3.2 Released
"I have an issue with althold/gps where my quad is working fine in stabilize, but altohold will shoot the quad up really fast after a few seconds. Seems like the CTUN Alt estimate is glitching badly. Also when EKF is off, the AHRS2 alt estimate…"
Apr 6, 2015
Pekka Ahola replied to Randy's discussion ArduCopter-3.2 beta testing
"I had a weird issue with FS_THR_VALUE as well (in -rc7:n if I remember correctly). 
When I set the Throttle failsafe value to too low (around 970) I got this error. I got rid of it, when I increased failsafe value to 985. (My actual link-loss…"
Sep 11, 2014
Pekka Ahola replied to Asaak's discussion offset with the altitude! ardupilot or google earth error??
"I have a similar problem with Mission Planner 1.2.99 and 3.1 firmware. 
Problem:
-Log browser shows the altitude correctly (in relation to ground level)
-Google earth kmz is offset around 10m below ground (only parts high enough are correctly shown)…"
Apr 14, 2014
Pekka Ahola replied to fuzzur's discussion Turnigy 9x ppm and failsafe
"Stock Turnigy 9X with the stock 9X8Cv2 receiver has got a configurable failsafe for signal loss. 
-Set the transmitter to PPM in SYSTEM SETTINGS->MODEUAT/MODULATION->PPM 
-Set FUNC SETTING->E.POINT->THROTTLE to 120%/120% (This changes the maximum…"
Mar 17, 2014
Pekka Ahola replied to Zeljko Babic's discussion Help Fail Safe setup for Aurora9 and Turnigy 9x (with open 9x)
"For stock Turnigy 9X with the stock 9X8Cv2 receiver the failsafe setup procedure is this:
-Set the transmitter to PPM in SYSTEM SETTINGS->MODEUAT/MODULATION->PPM 
-Set FUNC SETTING->E.POINT->THROTTLE to 120%/120% (This changes the maximum throw…"
Mar 17, 2014
Pekka Ahola replied to Simone Chiaretta's discussion How to setup FailSafe for Arducopter with Turnigy 9x stock firmware?
"Stock Turnigy 9X with the stock 9X8Cv2 receiver has got a configurable failsafe for signal loss. 
-Set the transmitter to PPM in SYSTEM SETTINGS->MODEUAT/MODULATION->PPM 
-Set FUNC SETTING->E.POINT->THROTTLE to 120%/120% (This changes the maximum…"
Mar 17, 2014
Pekka Ahola commented on Majid Khan's blog post Configuring Turnigy 9x with arducopter
"Turnigy 9X with the stock 9X8Cv2 receiver has got a configurable failsafe for signal loss. 
-Set the transmitter to PPM in SYSTEM SETTINGS->MODEUAT/MODULATION->PPM 
-Set FUNC SETTING->E.POINT->THROTTLE to 120%/120% (This changes the maximum throw…"
Mar 17, 2014
Pekka Ahola replied to Gregmaan's discussion APM 2 Version 2.60 Issue on channel 5,6 and/or 7
"I have a similar issue with APM2.6 with ArduPlane V2.78b (f0615253) firmware. 

Missionplanner doesn't show any changes for channels 5,6 or 7 when I flip the switches. Signal is ok. Tested with servos and by connencting the m to APM inputs 1-4. Mode…"
Mar 13, 2014
Pekka Ahola commented on Pekka Ahola's blog post Multiwii 2.2 stick configuration cheat sheet for Mode 1 transmitters
"Whoops - My bad. Indeed I've been flying Mode 3 on my quad. :) But I'll give the mode 1 a go some day, since I've flown plane models with it."
May 26, 2013
Pekka Ahola commented on Pekka Ahola's blog post Multiwii 2.2 stick configuration cheat sheet for Mode 1 transmitters
"Will do, thanks."
May 26, 2013
Pekka Ahola posted a blog post
I was playing with my custom built quadrocopter based on Multiwii platform, but had trouble finding a comprehensive guide to stick configuration functions online. I stumbled upon Mr.Hamburger's awesome cheatsheet, but found out that for my Mode 1…
May 26, 2013
Pekka Ahola commented on jim C.'s blog post mapping with condor drone and apm 2.5
"Awesome stuff. It got inspired and I just might be building a new UAV plane this summer on top of my multirotor experiments. :) "
May 26, 2013
Pekka Ahola posted a blog post
Thumbsize PCB.   BBC has run a story on a device that is cheap, small and seems to have a lot of potential for the UAV world. It can run linux, has ARM11 700Mhz, GPIO, SD/MCC-card slot and HDMI. It's the Raspberry Pi.If this actually comes to…
May 6, 2011
Pekka Ahola commented on Leon's blog post Quadrotor with Wii MotionPlus
"Nice work,

I'm actually planning on using wii motion plus and a cheap (< $20 from ebay) 3-axis accelerometer for my quadrocopter stabilisation. I'm using for the arduino though.

ps. Your setup seems to of the same size as mine, any estimation on…"
Jan 21, 2010
Pekka Ahola commented on Wendi Smol's blog post Building a small UAV from foam and fiberglass the cheap way
"I like,

This seems like a good way to create your own airframe and make it accommodate all the stuff we want to get airborne. Must get some foam on my next trip to the hardware store.

What software have you used in designing the plane? And to…"
Oct 22, 2009
Pekka Ahola commented on Pekka Ahola's blog post 10Hz Venus GPS Module + antenna ~ $62
"Thanks for the detailed explanation. Though I'm planning on using an old extremely slow motorized glider as a test platform - I think I'll manage for now with my old 1Hz GPS that I have lying around.

Ps. Are there any new reasonably priced air…"
Oct 17, 2009
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