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I think you use stlink maybe only flash nrf.bin. I remember you also need bootloader.bin and other bin, but i forget......

!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!

Have sloved!

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 Li...

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...

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.

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 !

hello !
i have draw my own cf and i want to use 8520 motor to develop load . i need to change some code for that ? i have use the current code to control it but it can't work.
Thank you !

Thank you for help !

Hello! I have both use flow deck and lps deck. I have made some test, I found if i want to use flow my commander must have (vx vy ). 1、i use motion_commander up and then use turn_right . the cf fly and fly circle, then it auto land , why i don't use any land commander, it auto land. 2、I want to use ...