Recent content by quaddamage

No idea how it would be FW issue. Grab it and rotate while motors on. If other motors start - IMU related issue. If not - look inside and check with multimeter if control and battery power reaches each ESC. If twiched at start, then power is most likely there, so focus on control (PWM signal...

Ambarella chip is functional then - good. Find the hidden log which contains info on all modules. The one which only says "failed" is useless.

Note that the idea is not to update the drone, but to force it to query modules and write results to a log. The safe option is to make it in a way which will not update. But if you're going to update firmware (which is not recommended by anyone except DJI employees), you do need to have RC...

SD-card. File system must be FAT, possibly only FAT32 works, can't remember. BIN file must be in root folder. The drone recognizes it by file name - so needs original name, no renaming. Example: `P3X_FW_V01.07.0060.bin`. If update starts, do NOT try to stop it, wait until either success or fail...

https://github.com/quaddama9e/dji-technical-stuff/blob/main/phantom-3-no-video-feed-black-screen-diagnose-and-fix.md When you reach the point "find and download very old firmware" - I think you need the firmware version currently installed, not older. If you use older version, it will not ask...

If your precision level is such that you've damaged test pads, there's little chance you'll be able to attach wires without them. But if you really want to focus and try, check pinout of the BQ-series BMS chip from TI - that's where these paths were going.

DJI drones consist of modules. DJI firmware is a collection - a package - of several firmwares. These modules include Flight Controller, VPS, Gimbal, Camera, Radio link, even battery. DJI doesn't always keep the communication protocol between these components unchanged, so it is possible that...

Camera in Ph3 Std has itd own separate radio link. So the issue could be in the chip controlling the video encoding (Ambarella), or in the chip transmitting the data (Atheros, according to this link). To diagnose the issue, you need firmware update logs. It would be best to gather them without...

Yeah, definitely easier that BGA soldering + flashing. No, not really. DAT logs may have some info on the reason, or the text log you can get by attaching to the front USB. Also may be important to share at which moment (which move of the gimbal) the calibration stops. Though if it works, and...

So that answers your question on "driver", by which I assume you meant flashing software which talks to TI bootloader. None of the Phantom enthusiasts has reliability data on specific chip manufacturers. Micron and MXIC are likely coming from the same fab. Samsung has its own fabs. Sorry, I...

You are not changing the TI chip, right? That's what datasheets are for. Check them to see differences. I'm sure you'll find some. Samsung.

Ubi File System uses hardware-assisted ECC. So while other partitions can be "just" flashed, UbiFS needs special procedure. I'm not sure if I explained that in detail in any of my tutorials; but you will find it described on the dji-firmware-tools wiki. Basically you first flash a small root...

You can use either MXIC MX30LF1G or Micron MT29F1G08ABAEAH4. If you'll find slightly different marking, check in the datasheet what it means and you'll know whether they're compatible. I remember finding a 3rd alternative, Samsung or Skhynix.. can't remember.

You're buying a chip for TI DM365 "DaVinci", not for Ambarella A9S75. Hope that clears up everything.

That's just a sticker. Chip markings are below. My X-ray vision says it's Micron MT29 series. Compare with the parts listed here to be sure.