2 open source boards using the RTC72421
Real designs built with the RTC72421, 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.
Amiga-SMD-500
amigalisa
368.3 × 254 mm556 parts2LCERN-OHL-S-2.069
004.601.00
stonedDiscord
147.3 × 94 mm79 parts2LBSD-2-Clause4
The RTC72421 in open source designs
The gallery holds 2 open source boards using the RTC72421 from 2 GitHub repositories; a typical one measures about 257.8 × 174 mm and carries around 318 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Amiga-SMD-500 by amigalisa.
What boards using the RTC72421 are built for
RTC72421: common questions
Where can I find a RTC72421 reference design?
Each of the 2 boards on this page is a real design using the RTC72421. 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 RTC72421?
The median is 257.8 × 174 mm, and 100% are two-layer designs.
What is the most popular open source board using the RTC72421?
By GitHub stars, Amiga-SMD-500 by amigalisa, with 69 stars.
Can I simulate one of these boards using the RTC72421 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.