1 open source board using the GY-521

Real designs built with the GY-521, 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 GY-521 in open source designs

The gallery holds 1 open source boards using the GY-521 from 1 GitHub repository; a typical one measures about 25 × 100 mm and carries around 11 components.

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

The most starred is ArduinoLightsaber by BamdadKh.

Microcontrollers on boards using the GY-521

What boards using the GY-521 are built for

GY-521: common questions

Where can I find a GY-521 reference design?

Each of the 1 boards on this page is a real design using the GY-521. 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 GY-521 use?

Most are built on AVR/Arduino (1).

How big is a typical board using the GY-521?

The median is 25 × 100 mm, and 100% are two-layer designs.

What is the most popular open source board using the GY-521?

By GitHub stars, ArduinoLightsaber by BamdadKh, with 0 stars.

Can I simulate one of these boards using the GY-521 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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