4 open source boards using the C66405
Real designs built with the C66405, 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.
NXPRC11-2
AgOpenGPS-Official
159 × 130 mm100 parts4LGPL-3.020
ESP32RC14
145 × 108 mm88 parts2LGPL-3.020
RC12-3
89 × 100 mm35 parts2LGPL-3.020
RelayDriver
28 × 18 mm4 parts2LGPL-3.020
The C66405 in open source designs
The gallery holds 4 open source boards using the C66405 from 1 GitHub repository; a typical one measures about 117 × 104 mm and carries around 62 components.
75% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is RC11-2 by AgOpenGPS-Official.
What boards using the C66405 are built for
C66405: common questions
Where can I find a C66405 reference design?
Each of the 4 boards on this page is a real design using the C66405. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the C66405 use?
Most are built on ESP32 (1) and NXP (1).
How big is a typical board using the C66405?
The median is 117 × 104 mm, and 75% are two-layer designs.
What is the most popular open source board using the C66405?
By GitHub stars, RC11-2 by AgOpenGPS-Official, with 20 stars.
Can I simulate one of these boards using the C66405 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.