If anyone could take a look over the schematic and pcb it would be much appreciated!
#Drone ESP32 Expansion Board
1 messages · Page 1 of 1 (latest)
where does VCOM for the 3.3V regulator come from?
D5 probably isn't doing you any favors, and will cause current-dependent voltage drop that might confuse those things you've got using 5V directly
why 4.7k PDs on CC1 and CC2? 5.1k is standard and doesn't cost more or anything
specifying a current for all of your resistor is odd both because 1) it's the same everywhere and 2) that's not a specification by which you can shop for a resistor. they're rated for power dissipated, not current. (they're obviously connected, of course)
Thank you very much for the recommendations. VCOM is from the 3.7V battery on the drone which powers the board. Are you able to look at the PCB layout as well? Thanks again
oh i finally see the other vcom on the connector.
there's a BATT+ power symbol you could use
i don't usually put much effort into looking at the layouts, they're all low-res screenshots and tough to follow that way.
looks like you have some ground pads which aren't connected.
i'm not quite sure of the scale of things, but you might see if you can reduce the size of your vias and the clearance of the copper zones. you've got signals moving on the top and bottom which are crossing gaps in the ground(?) planes because of the clearance around the vias.