HW Designs
For makers and small businesses

Hardware

Development boards and smart little tools, designed and tested by a hardware engineer, with open documentation for every board.

Top of The Crescent City board: ESP32-S3 module, EN and BOOT buttons with an RGB LED, OLED display and USB-C port
Coming soon

“The Crescent City”

ESP32-S3 Development Board with built-in OLED display

A Wi-Fi and Bluetooth LE board that builds in the parts you normally wire up yourself, and runs a live weather clock the moment it is powered on.

  • ESP32-S3-WROOM-1 module: dual-core 240 MHz, 8 MB flash, Wi-Fi 4 and Bluetooth 5 LE
  • 0.96″ 128 × 64 OLED display, mounted on the board
  • USB-C for power, charging and programming
  • Lithium-polymer battery charging and protection, with automatic switching between USB and battery
  • Qwiic / STEMMA QT connector for solder-free sensors, plus an RGB status LED
  • 70.1 × 25.4 mm and breadboard friendly, with every pin labeled
Documentation Test report

We are preparing a Crowd Supply campaign for this board.

HW DESIGNS Review Tap Sign: black and gold acrylic sign reading Review us on Google, with a tap-your-phone area and a QR code
Coming soon

Review Tap Sign

Tap. Review. Done.

Make leaving a review easy for every customer. They tap the sign with their phone, or scan the QR code, and your review page opens.

  • 120 × 120 × 4 mm black and gold acrylic with an NFC chip and a QR code backup
  • Points to Google, Yelp, Facebook, TripAdvisor or any link you choose
  • Set up in about 2 minutes, and change where it points any time
  • No app, no subscription, no account
  • Works with iPhone XS or newer and Android phones; adhesive back
Manage your sign

New sign? Just tap it or scan it, and the setup page opens by itself. Google is a trademark of Google LLC. HW DESIGNS is not affiliated with or endorsed by Google.

Documentation

Guides, schematics and downloads

Setup guides, pinouts, schematics, 3D models, example code and test reports for every board.

Open docs.hwdesigns.us