3 open source boards using the 4027
Real designs built with the 4027, 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.
Ampmeter clock
Sirawit7205
100 × 100 mm147 parts4LCERN-OHL-S-2.04
CLOCK
Trilobyte-CPU
60.5 × 56.4 mm29 parts4LNo license2
Half bridge
profdc9
96.5 × 98 mm78 parts2LNo license56
The 4027 in open source designs
The gallery holds 3 open source boards using the 4027 from 3 GitHub repositories; a typical one measures about 96.5 × 98 mm and carries around 78 components.
67% use four copper layers or more, and 33% carry an open source license.
The most starred is Half bridge by profdc9.
Parts used alongside the 4027
What boards using the 4027 are built for
4027: common questions
Where can I find a 4027 reference design?
Each of the 3 boards on this page is a real design using the 4027. 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 4027?
The median is 96.5 × 98 mm, and 33% are two-layer designs.
What is the most popular open source board using the 4027?
By GitHub stars, Half bridge by profdc9, with 56 stars.
Can I simulate one of these boards using the 4027 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.