Search found 40 matches

by arix
Fri Aug 17, 2018 2:24 am
Forum: Loco Positioning System
Topic: Bad Positioning Effect in Some Area
Replies: 4
Views: 638

Re: Bad Positioning Effect in Some Area

After some test, I think I solved the problem. Mainly I have done two things. One is flashing the newest firmware to the drone, which gives better control of the drone. The other is replacing antennas of all the lps anchors by better ones. This makes the plane hover perfectly at every position in t...
by arix
Thu Aug 09, 2018 12:58 am
Forum: Loco Positioning System
Topic: Bad Positioning Effect in Some Area
Replies: 4
Views: 638

Re: Bad Positioning Effect in Some Area

I use 8 anchors and try tdoa2 twr and tdoa3, i have same problem with you. Your drone can hover at some position. My drone can't hover at all. It always drift. And i try to change position pid,but also not have good hover. However, if i use add flow deck, it have good hover, but a while the kalman i...
by arix
Thu Jul 26, 2018 3:37 am
Forum: Loco Positioning System
Topic: Try LPS+FLOW TDOA2 and TDOA3
Replies: 0
Views: 728

Try LPS+FLOW TDOA2 and TDOA3

Hello ! I have made node,deck,cf2 and flow . I want to use them to fly. I use 8 node to make position system and i both use flow deck . I have try tdoa3 and tdoa2. Both of them have good position when cf no fly. And i use python lib to hover (setpoint commander) . problem: 1. lps+flow+tdoa3 hover it...
by arix
Fri Jun 22, 2018 1:51 am
Forum: Bitcraze
Topic: Crazyflie don't work
Replies: 3
Views: 537

Re: Crazyflie don't work

I think you use stlink maybe only flash nrf.bin. I remember you also need bootloader.bin and other bin, but i forget......
by arix
Mon Jun 11, 2018 3:12 pm
Forum: Bitcraze
Topic: weight more than 60g
Replies: 0
Views: 358

weight more than 60g

!I have draw my own big cf it maybe 15cm 。And i choose 8520motor .
Today , I use flowdeck hover commander to flying it. But it can't fly. It about 65g , i think 8520motor can fly more than 100g . Can you give me some advice to fly it.
Thank you very much!
by arix
Mon Jun 11, 2018 3:07 pm
Forum: Support
Topic: usb communication problem
Replies: 6
Views: 714

Re: usb communication problem

Have sloved!
by arix
Tue Jun 05, 2018 8:07 am
Forum: Support
Topic: usb communication problem
Replies: 6
Views: 714

Re: usb communication problem

Did you connect DP/DM and GND? One way to debug USB problems is to look at the output of "dmesg", the raspi should try to enumerate the device as a full speed USB device when you connect it. I have solve it, it because the problem with img what i used . Bus 008 Device 001: ID 1d6b:0001 Linux Founda...
by arix
Fri Jun 01, 2018 2:25 pm
Forum: Support
Topic: usb communication problem
Replies: 6
Views: 714

Re: usb communication problem

You should be able to get only ground/DM/DP and it should work fine, you do not need USB_ID. We have tried that on a prototype and it worked. I have tried using same gnd but also can't get communicated with pi.... I use nanopi duo and it has dp and dm pin . It so small so i want to use it to contro...
by arix
Thu May 31, 2018 2:16 pm
Forum: Support
Topic: usb communication problem
Replies: 6
Views: 714

Re: usb communication problem

arnaud wrote:
Thu May 31, 2018 1:53 pm
You should be able to get only ground/DM/DP and it should work fine, you do not need USB_ID. We have tried that on a prototype and it worked.
I know how to solve it otg means only same GND.
by arix
Thu May 31, 2018 12:36 pm
Forum: Support
Topic: usb communication problem
Replies: 6
Views: 714

usb communication problem

Hello !
we know the cf can communicate by usb. USB_DM USB_DP and USB_ID. I want to only use USB_DM and USB_DP to communticate with my pi. It have any problem ? If it must need usb otg usb_id? or have ways to slove it only with usb_dm and usb_dp?
Thank you !