3 open source boards using the BJT_NPN

Real designs built with the BJT_NPN, 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 BJT_NPN in open source designs

The gallery holds 3 open source boards using the BJT_NPN from 2 GitHub repositories; a typical one measures about 89.9 × 17.8 mm and carries around 53 components.

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

The most starred is BivalveBit by millerlp.

Parts used alongside the BJT_NPN

Microcontrollers on boards using the BJT_NPN

AVR/Arduino 3

What boards using the BJT_NPN are built for

BJT_NPN: common questions

Where can I find a BJT_NPN reference design?

Each of the 3 boards on this page is a real design using the BJT_NPN. 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 BJT_NPN use?

Most are built on AVR/Arduino (3).

How big is a typical board using the BJT_NPN?

The median is 89.9 × 17.8 mm, and 100% are two-layer designs.

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

By GitHub stars, BivalveBit by millerlp, with 2 stars.

Can I simulate one of these boards using the BJT_NPN 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.