1 open source board using the 2N3904S
Real designs built with the 2N3904S, 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.
MateoHadzimustaficThe 2N3904S in open source designs
The gallery holds 1 open source boards using the 2N3904S from 1 GitHub repository; a typical one measures about 53.9 × 64.8 mm and carries around 82 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is VCO by MateoHadzimustafic.
What boards using the 2N3904S are built for
2N3904S: common questions
Where can I find a 2N3904S reference design?
Each of the 1 boards on this page is a real design using the 2N3904S. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the 2N3904S?
The median is 53.9 × 64.8 mm, and 100% are two-layer designs.
What is the most popular open source board using the 2N3904S?
By GitHub stars, VCO by MateoHadzimustafic, with 0 stars.
Can I simulate one of these boards using the 2N3904S 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.