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  1. stevemaller

    Understanding Lithium Polymer batteries

    I think you answered your own question. Not "about to die", but "dead". It's exhibiting all the warning signs. And I'd be very, very careful about even storing the battery at this point. I have a battery discharger that I use for any battery that's even 1/2 as sick as yours. Take it slowly down...
  2. stevemaller

    Sony a5100 hdmi converter for NTSC use?

    That Helipal converter is basically this without the box. http://amzn.com/B009CL8NH0 If you've got some heat shrink and can do some soldering you can save yourself some money. This is what I use for my GH4 and it works great, even in 4K.
  3. stevemaller

    HOLY COW... FPV MUCH?!?! ***CHARPU FPV***

    I had the pleasure of meeting Carlos at a recent Game Of Drones event and watching him do his thing. He has Jedi skills, no question about it. And a really nice guy, too.
  4. stevemaller

    Super Heavy Lift x8 multicopter

    Making changes to the flight control source code and "100% autonomous flight"? Oh, good grief.
  5. stevemaller

    Super Heavy Lift x8 multicopter

    Yeah...let us know how that works out for you, amigo. Those of us who actually fly these big machines know better.
  6. stevemaller

    Super Heavy Lift x8 multicopter

    You're definitely jumping into the deep end of the swimming pool. First of all, why would you insist on running an APM board? I don't know of anybody running any serious heavy lift applications with APM flight control boards. Most are using WKM, A2 or MK. Some even using SuperX. Secondly, while...
  7. stevemaller

    Mikrokopter Quadro-X strange Current readings

    BL 2.0s were notorious for being able to get your english muffins a toasty brown under load. Heat sinks glued to the MOSFETs help a little, as does a small fan. Placing the BLs out under the prop wash could help, but be aware that there are potentially serious issues with extending the LiPo...
  8. stevemaller

    450 size x8. building, sharing, learning.

    I built a big X8 with 500mm booms.
  9. stevemaller

    Mikrokopter Quadro-X strange Current readings

    I've never actually done this with the BL2.0 boards. The MK wiki says it should work, but I have no idea. I know it works quite easily from MKTOOL with the 3.0 BLs. Don't connect directly to the BLs or you'll be unable to run the motor test, right?
  10. stevemaller

    Mikrokopter Quadro-X strange Current readings

    It is possible to calibrate the BLs’ current sensors. Using the motor test in MK_TOOL, you can hook up a current sensor to your LiPo and run the motor at various power settings and adjust the "Current Scaling" parameter for each BL individually. See here...
  11. stevemaller

    Panasonic GH4 transmits on playback, but not live feed.

    have you tried tapping the LVF button a few times? and here is the relevant manual page. it works for me with my el cheapo $10 chinese HDMI converter in all modes including UHD and 4K
  12. stevemaller

    How Do We Fix Stupid?

    I think I saw somewhere that this happened in Costa Rica.
  13. stevemaller

    Octo with overlaping propeller arcs

    I have thought about this as well. I think the only way to test it is to actually build it and test it. You'd need a suitably well-instrumented copter with good data logging and telemetry. Also being able to experiment with different mixer configs would be important, as well as somehow...
  14. stevemaller

    quad copter hover board/ death machine

    Oh, and by the way, this clown also doesn't realize that the name "Segway" is internationally trademarked, and I'd be surprised if his IGG joke campaign is taken down very soon, if only for that reason.
  15. stevemaller

    quad copter hover board/ death machine

    Rodeo clown! What a joke. Backers get basically a t-shirt. It's going to cost millions in R&D to do this right. This guy just wants $30,000. Might as well rob a bank. Where do I start... 1) no working prototype 2) $30,000 target...for what? 3) backers get bupkus 4) a range of...uhh... 5) no ID...
  16. stevemaller

    Need Help 1880 Train Station Scan

    The problem I ran in to was that the resulting plot was backwards, and the folks at Agisoft wrote this in response to my emailed question. It appears it's the luck of the draw, which doesn't work for me. :confused: What I want to do is share the plots online, and when I tried with my first plot...
  17. stevemaller

    Need Help 1880 Train Station Scan

    I tried Photoscan and didn't have great luck with the basic version, and the "pro" version is super expensive. I suspect you are using the pro version, right? I'm always hesitant to throw down big bucks for and "upgrade" when the basic tool doesn't work right. Usually things like this are based...
  18. stevemaller

    Need Help 1880 Train Station Scan

    Awesome! What software are you using to process/stitch the images?
  19. stevemaller

    Free Music Resource for Your RC Videos

    Great resource. Thank you for doing this!
  20. stevemaller

    New! DJI A2 GPS Pro Plus Exchange program

    Interesting...details here: http://www.dji.com/info/releases/introducing-the-new-a2-gps-pro-plus-module
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