3 open source boards using the TCA9517D

Real designs built with the TCA9517D, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.

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The TCA9517D in open source designs

The gallery holds 3 open source boards using the TCA9517D from 2 GitHub repositories; a typical one measures about 72 × 36 mm and carries around 33 components.

100% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.

The most starred is ESP32MIDI2CV v2 by collaborative-music-lab.

Microcontrollers on boards using the TCA9517D

ESP32 2

What boards using the TCA9517D are built for

TCA9517D: common questions

Where can I find a TCA9517D reference design?

Each of the 3 boards on this page is a real design using the TCA9517D. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

Which microcontrollers do boards using the TCA9517D use?

Most are built on ESP32 (2).

How big is a typical board using the TCA9517D?

The median is 72 × 36 mm, and 100% are two-layer designs.

What is the most popular open source board using the TCA9517D?

By GitHub stars, ESP32MIDI2CV v2 by collaborative-music-lab, with 19 stars.

Can I simulate one of these boards using the TCA9517D before building it?

Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.