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Recent content by vzr

  1. vzr

    Brainstorm: what we can install to Tello

    Wireless charger mod is one of the very best, it could allow flight mission planning with aTelloPilot indefinitely if it could take down precisely enough which is not exactly the case.
  2. vzr

    Gobot.io with Tello

    No. Download offline speech recognition library instead
  3. vzr

    Change the Y axis

    You can do this only if You root Your phone. Once Your phone is rooted, you can remap all buttons and axis with this file: /system/usr/keylayout/Vendor_XXXX_Product_XXXX.kl Please replece XXXX with your gamepad's VID and PID. You can use Gamepad Tester app to verify your configuration. From...
  4. vzr

    Tello batteries Storage Mode

    Just FYI, Tello battery is Li-Ion (not Li-Po as advertised). Not big difference, but its easier for maintenance and You configured your charger incorrectly.
  5. vzr

    Tello battery storing.

    Tello Li-Ion (just like Li-Po or any other lithium based) battery should be in storage mode, which means it should be charged between 40 and 50% and kept on room temperature. Charging to 100% is recommended only right before flight. This way you ensure best capacity and max duty-cycles. Please...
  6. vzr

    30 metre high club....Post your photos :)

    You should never do such thing as flying through the window or using only FPV. FPV range is about 30m without WiFi repeater, even with WiFi repeater the range is questionable, it hardly depends on number of neighbor WiFi channels in use.
  7. vzr

    Is it posible to change Wifi network somehow?

    There is no need to drop whole home wifi, You only need to change gateway IP to Tello IP addr on your phone, but this will disconnect you from the Internet...
  8. vzr

    How to go beyond the 10m altitude

    Just to share my thoughts on this topic; Last day i flew 90m above the ground by taking off from 60m high ground. Altitude hold worked without problem. Vision Provisioning failed 50% of the flight time (surface movement are to small for sensor to detect from such high altitude, regardless of...
  9. vzr

    Sun-cell hack possible?

    This drone have lift torque somewhere about 80g. I am afraid that there is no such solar cell that can fit and power this drone. The problem is power-density or specific energy (Watt-hour per gram or Ampere-hour per kilogram). Solar cells simply can't produce enough power per each gram of their...
  10. vzr

    30 metre high club....Post your photos :)

    Novi Sad (Serbia) Altitude (relative to): 30m (home ground), 45m (bridge) 60m (river) Heavy clouds and some wind, about 19:30 local time.
  11. vzr

    Accurate Tello position data

    Yeah. The point is that phone sensors can be fused with drone flight data to get more accuracy.
  12. vzr

    Accurate Tello position data

    Orientation of drone (compass), but relative to orientation of phone (difference between two orientations) Example: If drone points on North, and phone points on West, this value would be -270 deg because drone is oriented 270 degree CW (90 CCW) compared to phone. So, in headless mode, right...
  13. vzr

    Tello. Whats possible?

    There is a problem with taking photos because by default in your app it uses thumb button. Pressing right thumb button will cause small movement because it's located on right axis stick, resulting in somewhat blurry images depending on pilot sensitivity and light conditions (exposure). I can't...
  14. vzr

    Accurate Tello position data

    It uses compass data from the phone to get pilot orientation, and it uses flight data to get drone orientation. With these two orientation you can calculate drone offset relative to the phone which is crucial for headless mode. In previous version, headless mode worked only if you align together...
  15. vzr

    Accurate Tello position data

    Yes, but this doesn't mean that it can't be improved. For instance, lastest ATP app combine data from the phone and the drone to calculate more precize orientation for headless mode, and it's pretty amasing, works much better then previous version which used only flight data
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