Oh no...

[Jdmagoo]

Oops...

Whilst soldering the PWM input on my ESC32 I managed to break the ground contact away from the circuit board!

So, is it possible to use the ground on the FTDI pin concurrently with the ground for the PWM. I hope to solder the ground from the FTDI to the back of the jumper header.

The tracks on the circuit board are completely gone...

[bluuu]

Remake GND circuit by wire (KYNAR)

[Jdmagoo]

Unfortunately the track is completely gone, I will not be able to remake using KYNAR or any other circuit board paint as it is to fine. Am hoping there is no issue in using the ground from the FTDI pin, but I'm worried about interferences that may come from it

[13brv3]

No Sweat. If you're going to rip off a pad, ground is always a good choice, since there's plenty of ground pads

Once a pad is gone, it's hard to see where it used to connect, but if you look at this picture, you see that it connected on 3 sides to the largest area of copper. If you want to keep the wires all together like they originally were, I'd take an exacto knife, and carefully scrape the red coating off the copper right below the ground pad in this picture. Once your down to copper, you can solder the wire there. Note that the copper in that area is NOT connected to the LED next to it.

esc32a.jpg (107.44 KiB) Viewed 7333 times

An easier way would be to look farther down on the same edge to the I2C pads for clock, data, and ground. There should be no problem at all using that ground pad, and you won't likely be using I2C so you won't need it anyway.

Cheers,
Rusty

[Jdmagoo]

Wow, thanks heaps for that!! Exactly what I was after