21 open source boards using the PCAL6416AHF,128

Real designs built with the PCAL6416AHF,128, 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.

The PCAL6416AHF,128 in open source designs

The gallery holds 21 open source boards using the PCAL6416AHF,128 from 10 GitHub repositories; a typical one measures about 144.4 × 107.8 mm and carries around 242 components.

90% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.

The most starred is Zerowriter Inkplate 5 Gen2 by zerowriter.

Microcontrollers on boards using the PCAL6416AHF,128

What boards using the PCAL6416AHF,128 are built for

PCAL6416AHF,128: common questions

Where can I find a PCAL6416AHF,128 reference design?

Each of the 21 boards on this page is a real design using the PCAL6416AHF,128. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

What parts are used alongside the PCAL6416AHF,128?

The CH340C, TPS3840PL27DBVR, TPS7A2633DRVR, ESP32-WROVER and MC14093BDTR2G appear in the most repositories here.

Which microcontrollers do boards using the PCAL6416AHF,128 use?

Most are built on ESP32 (21).

How big is a typical board using the PCAL6416AHF,128?

The median is 144.4 × 107.8 mm, and 90% are two-layer designs.

What is the most popular open source board using the PCAL6416AHF,128?

By GitHub stars, Zerowriter Inkplate 5 Gen2 by zerowriter, with 46 stars.

Can I simulate one of these boards using the PCAL6416AHF,128 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.

Browse boards by part