Login

u/Full_stack_SWE

Image 1 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 2 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 3 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 4 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 5 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 6 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 7 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 8 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 9 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 10 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 11 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
Image 12 — [Review Request]: First Ever PCB Design: Smart Glasses Wearable
▲ 42 r/PrintedCircuitBoard

[Review Request]: First Ever PCB Design: Smart Glasses Wearable

Hey everyone,

I’m currently working on an early prototype PCB for a wearable AI memory-capture device I’m building. The goal is essentially lightweight wearable hardware similar to the Meta RayBans that captures low-power audio/video and makes your life searchable with AI later (for work meetings, consent-friendly recording, etc). I want to emphasize that I am absolutely brand new to this, and I tried my absolute best to follow the strict review guidelines when making this post. Please call me out if I'm doing something wrong.

Schematic Link Here

This board is based around an ESP32-S3 and includes:

  • camera interface
  • microSD storage
  • USB-C
  • battery charging/power management
  • microphone input
  • status LEDs/buttons
  • low-power sleep/wake behavior

I come from a software background & am an entrepreneur (Y Combinator), not EE/hardware, and this is my first PCB project. I had created a schematic and attempted basic routing, but eventually, I hired someone to help create the board/schematic in KiCad because I honestly didn’t know enough to do it myself at the time, but I’m now trying to learn PCB design properly so I can iterate faster and stop blindly outsourcing parts of the process. This PCB is the combination of my work & the outsourced hire. It's currently on its way from JLCPCB, but I am already thinking of many improvements I can make.

I’ve spent the last few hours trying to clean up the schematics/layout/images enough to make this reviewable according to the subreddit guidelines, but I’m sure there are still beginner mistakes here.

Main things I’d especially appreciate feedback on:

  • ESP32 antenna/RF layout
  • grounding strategy
  • power routing / regulator placement
  • USB-C routing
  • decoupling / bypass capacitor placement
  • manufacturability / assembly concerns
  • anything that looks fundamentally wrong or risky

My goals:

  • Reduce the overall length / size of the board
  • Be very power conservative. Using a 500mah 3.7 LiPo battery & trying to get as much recording power as possible out of the wearable.

I attached:

  • top copper view
  • bottom copper view
  • full routing/all copper view
  • antenna + power closeups
  • 3D renders
  • schematic PDF

I’d genuinely appreciate blunt feedback. I’m trying to learn this properly rather than just treat hardware as magic.

Thanks in advance.

u/Full_stack_SWE — 3 days ago