1 open source board using the CNY74-4

Real designs built with the CNY74-4, 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 CNY74-4 in open source designs

The gallery holds 1 open source boards using the CNY74-4 from 1 GitHub repository; a typical one measures about 123.8 × 99.7 mm and carries around 72 components.

100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.

The most starred is Thc by festlv.

Microcontrollers on boards using the CNY74-4

CNY74-4: common questions

Where can I find a CNY74-4 reference design?

Each of the 1 boards on this page is a real design using the CNY74-4. 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 CNY74-4 use?

Most are built on AVR/Arduino (1).

How big is a typical board using the CNY74-4?

The median is 123.8 × 99.7 mm, and 100% are two-layer designs.

What is the most popular open source board using the CNY74-4?

By GitHub stars, Thc by festlv, with 7 stars.

Can I simulate one of these boards using the CNY74-4 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.

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