FEDEVEL
Platform forum

snow , 08-18-2025, 08:50 PM

hi everyone, im working on a bluetooth audio receiver and I'd like some feedback on my board. ESP32-WROOM-32E for the MCU, PCM5102 (DAC), and TPA61382A (Headphone Amp). Since it's a mixed signal board, I've tried to separate analog and digital signals (everything analog on the left, digital on the right).
thanks!

QDrives , 08-19-2025, 02:23 PM

- Try to minimise routing on the bottom
- Do not create "acute angle connections"
- Missing data of D1
- Draw U11 more like the datasheet does
- Place U9 and U10 more apart, the pads touch each other
- U9 and U10 are connectors, name them as such. J... or X...
- Try to leave a pad in the center or corners and do not overlap the pad
- Keep more distance between components. For instance you cannot (de)solder U7 with C23 in place.
- And for a nice looking board - have the components more aligned (center to center). Easiest with a higher grid of 0.5 or 1mm.

snow , 08-19-2025, 11:22 PM

thanks
what do you mean by this point:
> Try to leave a pad in the center or corners and do not overlap the pad