"Can you plug a servo into that ch on the rx and see if you get the expected travel? It has to be a radio issue, as APM will only report what it sees as the pwm range output from the channel."
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John Church
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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 replied to Bill Salopek's discussion My pitch trim is way off, even after calibration
ModeratorJohn Church replied to Bill Salopek's discussion My pitch trim is way off, even after calibration
"Ah- sorry Bill. Was reading in a goofy mobile view. Anyway, Doug may well have it. If all looks well, try resetting that model on the radio and setup fresh. "
ModeratorJohn Church replied to Bill Salopek's discussion My pitch trim is way off, even after calibration
"Have you balanced your props? Vibration can induce a lean."
ModeratorJohn Church replied to Hugues's discussion NEVER connect a Capacitor backup or voltage protector on APM board
"Ah, but he is testing radio loss failsafe, not brownout conditions..."
ModeratorJohn Church commented on Joshua Ott's blog post Thirty days behind the scenes at 3DR, May 6.
"Is that a presidential bar of chocolate under the great seal? :D"
ModeratorJohn Church replied to Arizona FPV's discussion Camera gimbal
"Yes- works like a champ. We have a UAS pilot and a gimbal pilot who fly in concert."
ModeratorJohn Church commented on R_Lefebvre's blog post Arducopter TradHeli Development: Full Auto Landing
"ahrs.xyz would be a good check to run though, Greg."
ModeratorJohn Church commented on Gary Mortimer's blog post This T3 Qube entry should hit the front page
"Wow- THAT is a nice entry!!! All of the entries I've seen so far are valiant efforts, but if I am to judge, Steve takes the cake."
ModeratorJohn Church replied to Jay Neeley's discussion Motors won't Disarm, keep running...
"Hey Jay,
Were you in Acro when you couldn't disarm? I had a wipe-out (total loss) after a crash where I had uncontrolled throttle and couldn't disarm in Acro mode..."
ModeratorJohn Church replied to Rob's discussion APM2.5 serious safety concerns and first flight issues
"Had an uncontrolable throttle issue last night. Armed in stab, flipped to acro and applied light throttle for liftoff. Throttle went balls-out and would not respond to throttle stick. Flipped into stab and still no response. Finally, in stab, held…"
ModeratorJohn Church commented on Jethro Hazelhurst's blog post Brushless Gimbals from RCTimer
"Late to the party, but I just caught the video Max posted on P.1 . Wow, that looked good."
ModeratorJohn Church commented on Chris Anderson's blog post APM 2.5 in Servo Magazine
"The positive exposure is nice, but I wish the description of features in AC2.9.1 was accurate."
ModeratorJohn Church replied to Rich Huhn's discussion Struggling with ALT_HOLD not working APM2.5 with 2.9.1 firmware
"Looks like you had a failsafe event. Question is why. Can we see a shot of your logs including the ThrIN parameter at the time of the event?"
ModeratorJohn Church commented on vis.asta's blog post qadrocopter 125 min in the air
"Or put in a 1.2kg payload and see what it comes out to."
ModeratorJohn Church commented on vis.asta's blog post qadrocopter 125 min in the air
"I hope that clears some skepticism and the claim is looking more plausible to some.
While the cells that Ioan Ghip mention are low C rated, the large capacity will allow for the current needed to fly an aircraft. So, who's…"
ModeratorJohn Church replied to johnkowalsky's discussion Raspberry PI
"Do you have a RPi? Plug in a webcam and tell me what you think of the framerate you get."
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
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Drop zone toys (manipulating servos via APM)
Posted on April 25, 2012 at 9:14pm 0 Comments 2 Likes
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…
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.
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