sam d
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APM mount (Velcro)

Started this discussion. Last reply by sam d Jul 24, 2011. 6 Replies

For simplicity, i just mounted my APM with nothing but velcro on the center of my quad.Ive already flew in stabilize a few times (just simple hovering) and after a few PID adjustments, ive achieved…Continue

LIPO + USB powering the APM

Started this discussion. Last reply by Jon Jun 26, 2013. 7 Replies

Hi, is it safe to plug in the lipo battery while i have my APM connected through USB to the computer? The reason i want to make this is to stop unpluging BESC power from the apm and connecting it to…Continue

Tags: usb, lipo, power, APM

 

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Latest Activity

Jon replied to sam d's discussion LIPO + USB powering the APM
"Gotcha, I'm still learning but found a ton of useful info on that thread."
Jun 26, 2013
Ted Weerts replied to sam d's discussion LIPO + USB powering the APM
"didnt mean it like that. i was just pointing out that there are some setup procedures that are impossible w/o usb and lipo unless you have a radio..."
Jun 26, 2013
Jon replied to sam d's discussion LIPO + USB powering the APM
"I was just posting from the information I gathered online, please do not take as fact. Also found this http://www.rcgroups.com/forums/showpost.php?p=24592623&postcount=2557"
Jun 26, 2013
Ted Weerts replied to sam d's discussion LIPO + USB powering the APM
"...so how do you do compassmot? or the motors test in the CLI?"
Jun 25, 2013
Jon replied to sam d's discussion LIPO + USB powering the APM
"Found here: http://copter.ardupilot.com/wiki/apm25board_overview/ "Warning: Connecting USB when you have input voltages at the high end of the range (near Abs Max) can damage the board. Disconnect battery before connecting USB or test…"
Jun 25, 2013
Ollie Chalk replied to sam d's discussion LIPO + USB powering the APM
"This is the first I heard that you shouldn't do this... I do this! I have a power distribution board that connects to the output + and - port. I regularly plug the USB in (have to take my Xbee out though) and with the props off, plug the…"
Jun 25, 2013
Austin Laws replied to sam d's discussion LIPO + USB powering the APM
"I would also like to know if its safe to connect a lipo to the APM 2.5 while running on USB power."
Jun 25, 2013
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"alright!, sounds good. have fun and let us know how it goes :p sam"
Aug 3, 2011
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"hey dmac, pid tunning is a tricky part, but it's mostly done by trial and error. Yes, indeed try increasing the  stabilize_P and see how it reacts, just make sure to go on small steps and stop if you see trends of oscillations(large…"
Aug 3, 2011
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"hey dmac!!, so glad its working!!, i saw the video, looks good and with a little pid tunning it should fly even better. (Nice landing gear you have there :p) also, keep in mind that if rate_P alone doesn't make much difference, it could be…"
Aug 3, 2011
sam d replied to Brian Boyle's discussion Just need to share...
"good to know, ill check mines later. thanks for the info Brian!!   sam"
Aug 2, 2011
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"alright, let us know how it goes tomorrow!! sam"
Aug 2, 2011
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"uhmm i see Are you using the default PID settings? which are them? (try increasing the stabilize_P and see if there's any change)  are you using a magnetometer? sam"
Aug 2, 2011
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"Hey dmac, about using the latest firmware from MP , i read there was an error few days ago which MP updated to a non-ready version 2.0.39 (Its fixed now) but you might have been part of the people who updated to this firmware.   To test the…"
Aug 2, 2011
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"Hey dmac, i know how it feels, being raining here too. About the PIDs, as i can see from your design, it looks like you should be safe with the default values, fly with the defaults, and remember, watch how it flies, i even find it useful to record…"
Jul 30, 2011
sam d replied to Deemees's discussion Pre Flight Tests From The Wiki
"hey Dmac, I MAX is the maximum value the scale can take, it would be the maximum value it can take to correct an unbalanced quad. You normally do not need to worry about the IMAX value. There's no longer a D term, instead there's a rate_P…"
Jul 29, 2011

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