1 open source board using the HCT251
Real designs built with the HCT251, 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.
baldengineerThe HCT251 in open source designs
The gallery holds 1 open source boards using the HCT251 from 1 GitHub repository; a typical one measures about 93.2 × 54.7 mm and carries around 60 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Gd IWM proto pcb by baldengineer.
HCT251: common questions
Where can I find a HCT251 reference design?
Each of the 1 boards on this page is a real design using the HCT251. 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 HCT251?
The median is 93.2 × 54.7 mm, and 100% are two-layer designs.
What is the most popular open source board using the HCT251?
By GitHub stars, Gd IWM proto pcb by baldengineer, with 33 stars.
Can I simulate one of these boards using the HCT251 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.