"Is there any danger in setting the voltage above 5.0 V via APM? My first attempt I set the voltage at 5.0 and the readings seemed slightly low (11.4 v vs. 12 v on a multimeter when I viewed them via the MinimOSD. So I upped the…"
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John OBrien
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John OBrien's Discussions
MinimOSD Current Readings wrong - Please help
Started this discussion. Last reply by John OBrien May 17. 3 Replies 0 Likes
I have APM 2.5, MinimOSD 1.1, Fatshark transmitter with a low pass filter for the battery connection. I configured the placement of gauges to my liking and they are showing up correctly. I'm…Continue
GPS /Compass 180 degrees off at initialization Please help
Started Jan 1 0 Replies 0 Likes
Has anyone had this happen to them? At home connected via USB the APM 2.5+ and the Ublox LEA GPS get a fix almost instantaneously in my back yard pointing in the correct direction. When I'm out in…Continue
Ublox GPS Problem on APM 2.5 board
Started this discussion. Last reply by Reinaldo de Sales Flamino Nov 26, 2012. 1 Reply 0 Likes
When I power up my APM 2.5 board (via USB port) with no peripherals connected everything is fine. When I add the 3DR Radio the board still powers up correctly using the USB port. When I connect the…Continue
er9x and 3DR Radio Combination
Started this discussion. Last reply by Hugues May 7. 6 Replies 1 Like
I have found discussions in the forums about XBee radios, 9x receivers and er9x firmware, but none on 3DR radios. Has anyone combined the er9x on the Turnigy transmitter with 3DR radio to acquire…Continue
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John OBrien replied to John OBrien's discussion MinimOSD Current Readings wrong - Please help"Thanks for the quick response. I need to order the power module as it wasn't available when I ordered my APM 2.5. That seems like the easiest solution of the two alternatives."
Bill Bonney replied to John OBrien's discussion MinimOSD Current Readings wrong - Please help"You need to configure the APM Hadware Options in mission planner for the correct sensor module. If using the APM power module you set it up like described here…"
John OBrien posted a discussionMinimOSD Current Readings wrong - Please help
I have APM 2.5, MinimOSD 1.1, Fatshark transmitter with a low pass filter for the battery connection. I configured the placement of gauges to my liking and they are showing up correctly. I'm getting a 0 to -.1 amp reading in the current meter on the OSD. My "Battery A" reading is 10.8, even though a Lipo voltage reader shows 11.5V when I plug it in.My question is, could the low pass filter be the cause of the false readings I'm getting in the OSD? Has anyone else had this problem? Any…See More
Hugues replied to John OBrien's discussion er9x and 3DR Radio Combination"Too bad the guys who developed this g9v TR9x mavlink mod do not provide answers and these questions. I am also stuck like you guys in search for minimal overview/documentation to do the hack."
Michael commented on John OBrien's blog post Another article about peaceful use of drone technology in the NY Times"Thanks, exactly what I've been looking for. Surprised I never saw it on HK's website!"
AdminJohn C. commented on John OBrien's blog post Another article about peaceful use of drone technology in the NY Times
"Bixler"
Michael commented on John OBrien's blog post Another article about peaceful use of drone technology in the NY Times"What model airplane is that in the picture?"
John OBrien posted a blog postAnother article about peaceful use of drone technology in the NY Times
Seems as though the ratio of articles about peaceful, productive use of UAS technology to fearful, war themed, police state articles is running about 1 to 10. This one takes the time to interview people that have ideas about using them for good purposes.http://bits.blogs.nytimes.com/2013/03/18/for-civilian-drones-the-sky-is-the-limit/?hpSee More
Caleb Boyet commented on John OBrien's blog post 99 cent Ublox Container"I used a Tick Tack box that I cut down"
John OBrien posted a discussionGPS /Compass 180 degrees off at initialization Please help
Has anyone had this happen to them? At home connected via USB the APM 2.5+ and the Ublox LEA GPS get a fix almost instantaneously in my back yard pointing in the correct direction. When I'm out in the field, the and I power up via Lipo battery, the GPS takes longer to get a lock and the direction of the plane is reversed 180 degrees - as I view it in APM via 3D radio connection (and yes the APM is pointing in the correct direction toward the front of the airframe). In the field the GPS is…See More
healthyfatboy commented on John OBrien's blog post 99 cent Ublox Container"That looked a lot like a CompactFlash card case so I checked to see if it would work and unfortunately, it doesn't. Looks like I may need to go find a store to do something similar."
John OBrien posted a blog post99 cent Ublox Container
Found a neat little plastic box at "The Container Store" for 99 cents. Fits the UBlox LEA 6H in width and height perfectly. May need to stuff a foam spacer on the length wise side. Just tried it in the backyard and the GPS got a fix in about 30 seconds - the plastic cover is not adversely affecting the reception.See More
Darrell Burkey commented on John OBrien's blog post Finally Got the maiden flight of APM 2.5+ done"John - I think I was one of the lucky one's as I got my Bixler2 within a couple of weeks of ordering. But that was from the Australian warehouse and I got my order in when they arrived as I was watching for them."
John OBrien commented on John OBrien's blog post Finally Got the maiden flight of APM 2.5+ done"Mike, This location is at: 33 43 36 N 111 49 23 W (East end of Jomax Rd. on the north side of Tom's Thumb in McDowell Mtn Park). Would love to fly over the McDowell Mtns, but I'm afraid of getting fined:)"
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John OBrien's Blog
Another article about peaceful use of drone technology in the NY Times
Posted on March 19, 2013 at 12:53pm 3 Comments 3 Likes
Seems as though the ratio of articles about peaceful, productive use of UAS technology to fearful, war themed, police state articles is running about 1 to 10. This one takes the time to interview people that have ideas about using them for good purposes.…
Continue 99 cent Ublox Container
Posted on December 26, 2012 at 11:06pm 3 Comments 0 Likes
Found a neat little plastic box at "The Container Store" for 99 cents. Fits the UBlox LEA 6H in width and height perfectly. May need to stuff a foam spacer on the length wise side. Just tried it in the backyard and the GPS got a fix in about 30 seconds - the plastic cover is not adversely affecting the…
Finally Got the maiden flight of APM 2.5+ done
Posted on December 24, 2012 at 4:30pm 8 Comments 3 Likes
I waited until I was able to get the Bixler Chassis installed before I went out on a flight with my APM 2.5+. Once I turned it on, the uBlox got position really fast. It was really windy today. I took off in manual mode, flipped the switch to "Stabilize" and it leveled off like a champ. I alternated between Manual and Stabilize for a while, then I switched to RTL and it performed perfectly! Really glad I got the Chassis, because it made attaining the CG super simple. …
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