"Bring it! Congrats on making the leap and good luck!"
Moderator
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John Church
- Male
- Mesa, AZ
- United States
- Blog Posts (5)
- Discussions (431)
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- Photos (1)
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John Church's Groups
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ArduCopter (traditional …
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ArduCopter User Group
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John Church's Discussions
CrazyFile tiny quad
Started Apr 29, 2011 0 Replies 0 Likes
This was posted over at Hackaday and I had to share: http://www.daedalus.nu/category/crazycopter/ Continue
APC220 radios for telemetry
Started Oct 24, 2010 0 Replies 0 Likes
APC220 What can users of these modules tell me about their application to APM or best setups or enhancements? Anyone have a good DIY antenna plan for these 431 MHz to 478 MHz radios?Is the APM code…Continue
John Church's Page
Latest Activity
ModeratorJohn Church commented on Kevin Christensen's photo
ESC's mounted
"Hi,
Wondering why not use the supplied PDB? Curious to see if you've found something that we should avoid with the DJI PDB."
ModeratorJohn Church replied to Randy's discussion ArduCopter 2.5 released!
"I haven't uploaded via planner, but grabbing the latest from the trunk uploads to a 1280 just fine if you #define CLI_ENABLED DISABLED ..."
ModeratorJohn Church replied to Chase Hall's discussion Question: Can an Xbee be used as a radio TX?
"http://hackaday.com/2012/05/09/directly-interfacing-a-joystick-with-an-xbee/
Hmmm... Maybe with some crafty decoding on the APM side..."
ModeratorJohn Church replied to 924aussie Alan's discussion Hovering above or tracking a moving target
"Hi,
Open ArdupilotMegaPlanner and press Ctrl-F . Then click the Follow Me button. Yes, by default you need a laptop running planner, but the source is available. Bend it to your needs."
ModeratorJohn Church replied to eric's discussion Ardu and other UAV electronics in 3d
"Get with Sandro and see if he'll help you out."
ModeratorJohn Church commented on Jack Crossfire's blog post Wifi cam complete
"Great work Jack! Ingenious use of the mane as a test subject as well! :D (damn, I miss my hair...)"
ModeratorJohn Church replied to herve pellarin's discussion gps issue solid blue light and flashing red
"Ah- just a terms mix-up. Sorry that wasn't the fix!
To get a tighter loiter, I've reduced the associated Loiter/Nav P terms by 50% . It's not perfect, but I believe the current code is tunable. I hope to try out an…"
ModeratorJohn Church replied to madhuran wilson's discussion apm hitting ppm failsafe mid flight
"Hi, With this failing on servo activity, I suspect either a bunk servo or a bound up link to a control surface. Are any servos warm or chattery?"
ModeratorJohn Church replied to herve pellarin's discussion gps issue solid blue light and flashing red
"Do you mean that you have the GPS connected to the oilpan? DO NOT do this. It is meant to be connected to the APM. I hope that solves your problem."
ModeratorJohn Church posted a blog post
Drop zone toys (manipulating servos via APM)
So, over the Easter weekend I had some time in the lab and threw together a crude repeating egg dropper for the quad. Of course, keeping me in line and the cops at bay, the other half talked me out of my nefarious plan to deliver raw, yolked goodies from above and instead had me whip up a tennis ball dropper to entertain the dog.I've seen a lot of questions about manipulating servos with APM to either click the shutter on a camera or squeeze an airsoft trigger, so here's my approach using the…See More
ModeratorJohn Church commented on Luiz Miranda's blog post 3DR Quad suspension
"
Heh-heh. My co-hobbyists call these "Navy landings"... I'm a pro at them. ;)"
ModeratorJohn Church replied to Randy's discussion ArduCopter 2.5 released!
"Yeah, I stopped catching quads after losing a fingernail. Not the 'girly' kind of nail damage either. We're talking a clean-cut removed from existence high-speed surgical removal type of damage. Anyway, yes, nice vid! Just be…"
ModeratorJohn Church commented on Sam Kelly's blog post New thing! The 3DR Radio Telemetry System
""New thing!"
Love it- We've gotta' have new "things"!!! Can't wait to have them in-hand."
ModeratorJohn Church commented on Hai Tran's blog post Arducopter on DJI Frame
"I just want to say that I picked up an f450 frame/motors/ESCs kit locally this week and my presumptions were wrong. The first thing I noticed was that the arms are really rigid. If you drop them on tile they 'clang' instead of…"
ModeratorJohn Church replied to Mark Zimmerman's discussion Cannot get anything working!
"Yep, could definitely be ESCs cutting or going into low-voltage mode if your PD system can't handle the power."
Profile Information
- About Me:
- LAN engineer by trade, electronics engineer, musician, RC enthusiast at heart.
Am an RC helicopter nut. Co-workers call me "President of the helicopter club"...
Currently have 2 Hirobo Leptons and Trex 600 as experimental platforms for autonomous CCPM.
- Tell us a bit about your UAV interest
- Being the ultimate gadget, I must be involved in the UAS scene. Always had an interest in and hobbies involving robotics, electronics and RC.
- Hometown:
- Currently Mesa, AZ
John Church's Photos
John Church's Blog
Drop zone toys (manipulating servos via APM)
Posted on April 25, 2012 at 9:14pm 0 Comments 1 Like
So, over the Easter weekend I had some time in the lab and threw together a crude repeating egg dropper for the quad. Of course, keeping me in line and the cops at bay, the other half talked me out of my nefarious plan to deliver raw, yolked goodies from above and instead had me whip up a tennis ball dropper to entertain the dog.
I've seen a lot of questions about manipulating servos with APM to either click the shutter on a camera or squeeze an airsoft trigger, so here's my…
ContinueOk, What!? Yes, a 20 Channel LS20126 GPS Receiver w/ built-in accellerometer and magnetometer.
Posted on July 19, 2010 at 8:28am 3 Comments 0 Likes
I ran across the LS20126 GPS Receiver over at Sparkfun and had to share:
http://www.sparkfun.com/commerce/product_info.php?products_id=9838
Description:
The LOCOSYS LS20126 GPS smart antenna module is a high sensitivity, low power, SMD type, 20 channels with built-in magnetic sensor, 3-axial acceleration sensor L1 GPS receiver and 10mm patch antenna designed…
ContinueComment Wall (2 comments)
- At 8:45am on August 22, 2011,
Brent said… Thanks for responding John, I can read and write with the RFmagic software in win7 64bit by opening the program and running as admin. if I don't run it that way it gives a strange character error message on opening. So I think the modules are be recognized OK, I have downloaded the Silax labs drivers and the APC220 shows in device manager on com port 4.
I have set the baud rates in software to rf192k and serial 57k with "write succeed" then in device manager under advanced tab and also in mission planner to com 4@ 57k
Hit connect button and planner immediatly goes to "recieving paramaters" a good sign but it then errors out and asks about cli switch position. Sometimes it will show batt voltage and gps fix though before the error, like it sent a small bit of data.
In terminal mode it shows a heartbeat so I think the modules are alive and OK.
Do you set RF 19200 and serial 19200 in the sotfware and write?
Do I need to change anything in configH with arduino022?
Brent
- At 10:04am on August 22, 2011, Brent said…
OK will do, I am on a work trip so will not be able to play with them until later this week but I will let you know.
Brent.
Contests
Season Two of the Trust Time Trial (T3) Contest has now begun. The third round was a reliablilty/aerial photography round for both planes and copters, which is now closed. Stay tuned for the next round, beginning soon.A list of all T3 contests is here.
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