Karsten Winter

GERMANY ? + Follow

Engineer

UNITED STATES OF AMERICA
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Description

ESP32-S3 mini prototype board for small IOT projects

I designed a compact PCB for the ESP32-S3 Mini that mounts directly beneath the main board. It provides access to essential GPIOs and power (3.3V/5V), making it ideal for connecting a few sensors or buttons without the need for an extra veroboard / stripboard. This saves space and simplifies small projects where only minimal expansion is required.

If you have just a few switches, buttons, I2C sensor stuff this will greatly simplify your small project.

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Sep 21,2025

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ESP32-S3 mini prototype board for small IOT projects

2 Layers PCB 17.9 x 23.4 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen

Simplify Projects with a Backpacked ESP32-S3 Mini PCB

470

Published: Sep 21,2025

Standard PCB

Download Gerber file 4

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