1 open source board using the 555 Timer
Real designs built with the 555 Timer, 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 555 Timer in open source designs
The gallery holds 1 open source boards using the 555 Timer from 1 GitHub repository; a typical one measures about 330.2 × 215.9 mm and carries around 295 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is Retroii by jonthomasson.
What boards using the 555 Timer are built for
555 Timer: common questions
Where can I find a 555 Timer reference design?
Each of the 1 boards on this page is a real design using the 555 Timer. 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 555 Timer?
The median is 330.2 × 215.9 mm, and 0% are two-layer designs.
What is the most popular open source board using the 555 Timer?
By GitHub stars, Retroii by jonthomasson, with 33 stars.
Can I simulate one of these boards using the 555 Timer 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.