"That sounds like a good solution :)."
Stefan Gofferje's Groups
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X8
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Stefan Gofferje's Discussions
RC channel manual mode?
Started May 17 0 Replies 0 Likes
Hi,I got myself a Boscam HD19 and am trying to get one of the servo outputs into manual mode, i.e. just push through whatever comes in. Tried CH6 and CH8 but with no success whatsoever. I can see the…Continue
Mission Planner on WinXP?
Started May 14 0 Replies 0 Likes
Hi,Is there meanwhile a solution for running Mission Planner on XP? One of the last updates introduced the requirement for .NET 4.5 which doesn't install on XP. MP is my only Windows application,…Continue
Design help needed: driver for Hobby King 3W LEDs on APM ARM LED out
Started this discussion. Last reply by Stefan Gofferje May 3. 6 Replies 0 Likes
Hi,I got myself a bunch of superbright LEDs from Hobby King, e.g.…Continue
@3DR - product suggestion: Anti-vibration mount for APM and PX4
Started Apr 29 0 Replies 0 Likes
Hi,all world is offering anti-vibration mounts for all kinds of stuff, mostly gimbals and related. As vibrations are seemingly a hot topic with APM and PX4 and Arducopter, I wonder, why 3DR does not…Continue
Stefan Gofferje's Page
About me
- 40-something years old German, living in Finland
- Working in defense industry
- Commited Linux user for 17+ years
- My links:
Latest Activity
Stefan Gofferje replied to Kevin Hester's discussion Andropilot - discussion for Android ground controller users/developersStefan Gofferje replied to Kevin Hester's discussion Andropilot - discussion for Android ground controller users/developers"I just read up on the ID thing. If it can't get the IMEI, Flurry seems to read Secure.Android_ID which is as unique as the IMEI and as much makes the user identifiable, especially through the market. As far as I could find, no special…"
Stefan Gofferje replied to Kevin Hester's discussion Andropilot - discussion for Android ground controller users/developers"That is what YOU collect. You have no control over what Flurry collects. They offer targeted advertising, so it is very likely that their library collects much more.
Flurry uses the device's IMEI and that is per definition a personally…"
Stefan Gofferje replied to Kevin Hester's discussion Andropilot - discussion for Android ground controller users/developers"I just ran BitDefender ClueFull on my tablet. That's an anti-spyware software.
It categorizes AndroPilot as "moderate privacy risk" and says that Andropilot uploads the device ID to data.flurry.com which is a tracking service which…"
Stefan Gofferje posted a discussionRC channel manual mode?
Hi,I got myself a Boscam HD19 and am trying to get one of the servo outputs into manual mode, i.e. just push through whatever comes in. Tried CH6 and CH8 but with no success whatsoever. I can see the correct input PWM in mission planner but the output stays at 1500µsec.What am I missing?-SSee More
Stefan Gofferje posted a discussionMission Planner on WinXP?
Hi,Is there meanwhile a solution for running Mission Planner on XP? One of the last updates introduced the requirement for .NET 4.5 which doesn't install on XP. MP is my only Windows application, otherwise I'm 100% on Linux and I'm using an old XP license in a vbox. I'm not inclined to spend over $200 for some current Windows license just for MP.-StefanSee More
Stefan Gofferje commented on Stefan Gofferje's blog post Cat toys and PCBs"Yes, I have played with the ULN2003 before. Problem is driving the high-power-LEDs without using a resistor :).
Besides, 500mA might be not even enough for one 3W LED... They run on close to 1A IIRC."
Bill Bonney commented on Stefan Gofferje's blog post Cat toys and PCBs"The JD-IO Board uses a ULN2003A 7 way darlington array and it is rated up to 500mA per channel. So just use that chip connected to the APM directly. You can connect it to the flight battery direct fro the power source. @ ~$0.50, cheap! ;-) "
Stefan Gofferje commented on Stefan Gofferje's blog post Cat toys and PCBs"I recently posted in the forums about that because I'd like to use 3W LEDs for that. But I somehow got stuck at how to drive them because a resistor solution would require a monster-resistor and would burn a ton of energy...
Basically, I'd…"
Bill Bonney commented on Stefan Gofferje's blog post Cat toys and PCBs"When adding LEDs to the A Outputs directly you need to be careful that you do not exceed the chip maximum current ratings.
A typical LED takes about 25mA (Supper bright LEDs are much more). The A signal pins are rated 40mA current sink max…"
Stefan Gofferje commented on Manfred Dickgiesser's blog post The mysterious AltHold problem .... solved"If the pressure rises the APM should think it's too low, shouldn't it? Pressure at height is lower than pressure at sea level."
Stefan Gofferje commented on Stefan Gofferje's blog post Cat toys and PCBs"You still have to solder the cable to the LED... Soldering the resistor between the cable and one LED-leg isn't much more difficult..."
Euan Ramsay commented on Stefan Gofferje's blog post Cat toys and PCBs"Any chance someone makes pre-made 5v LED's? I'm not a brilliant solder-er...:-("
Stefan Gofferje commented on Stefan Gofferje's blog post Cat toys and PCBs"No, that's included functionality. See http://diydrones.com/xn/detail/705844:BlogPost:1030922"
Hugues commented on Stefan Gofferje's blog post Cat toys and PCBs"That's great and simple. I see you connected the led poles to A6 and A7. Did uou have to modify the APM code to allow these led ouputs ?"
Stefan Gofferje posted a blog postCat toys and PCBs
So what does a cat toy and a PCB have to do with UAVs?Very easy: One of my dogs had taken my cat's pole toy and left little but the handle stick. I was wondering what to do with that now. At that time, my MF450 frame was on my desk waiting to be completed and I shortly before read about external LED indicators. I also mounted my APM on top of the frame and was worried about damages in case of a…See More
Profile Information
- Tell us a bit about your UAV interest
- Hmmmmm... Have been interested in UAVs for a long time. Always loitering around websites like DIY Drones and others...
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Stefan Gofferje's Blog
Cat toys and PCBs
Posted on May 11, 2013 at 4:48pm 8 Comments 2 Likes
So what does a cat toy and a PCB have to do with UAVs?
Very easy: One of my dogs had taken my cat's pole toy and left little but the handle stick. I was wondering what to do with that now. At that time, my MF450 frame was on my desk waiting to be completed and I shortly before read about external LED indicators. I also mounted my APM on top of the frame and was worried about…
Continue MF450 quad maiden - still a few problems
Posted on May 3, 2013 at 3:57am 4 Comments 0 Likes
Well, it was not exactly the real maiden as I did a bit hovering in the yard before but it was the first "real" flight in open area.
Setup:
- MF450 frame from eBay (also available from BEVRC)
- 4xTurnigy NTM28-30s 800kv (short shaft)
- RCTimer noname 10x45 props (BIG pack :D )
- Zippy compact 5000mAh 4S LiPo
- APM 2.5 / ArduCopter 2.91b
- Hobby King Wing Camera mounted on sixfold stacked double-sided foam…
Groundstation shield
Posted on April 5, 2013 at 12:05pm 2 Comments 0 Likes
Progress has been slow on my UxV Control Station project recently due to other obligations. However, I have decided to create an Arduino shield for that project to make it easier for interested people to recreate the UxV-CS. I'm not very experienced in hardware design, so things are going slow but steady.
I will not be selling any hardware but I will publish the design files under a CC license when…
Continue No more LiPos, or Meet the scientific accident that could change the world
Posted on March 25, 2013 at 6:27am 13 Comments 10 Likes
The Super Supercapacitor | Brian Golden Davis from Focus Forward Films on Vimeo.
Ric Kaner set out to find a new way to make graphene, the thinnest and strongest material on earth. What he found was a new way to power the world.
Source:…
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