2 open source boards using the C7440
Real designs built with the C7440, 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.
ESP32
Electronics-Design-Exploiteers-Hacker-Pager
exploiteers
108.5 × 79 mm181 parts4LCERN-OHL-S-2.026STM32
EcoApi BeeHiveMonitoring
EcoApi
90.6 × 58 mm166 parts2LGPL-3.04
The C7440 in open source designs
The gallery holds 2 open source boards using the C7440 from 2 GitHub repositories; a typical one measures about 99.5 × 68.5 mm and carries around 174 components.
50% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Electronics-Design-Exploiteers-Hacker-Pager by exploiteers.
What boards using the C7440 are built for
C7440: common questions
Where can I find a C7440 reference design?
Each of the 2 boards on this page is a real design using the C7440. 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 C7440 use?
Most are built on ESP32 (1) and STM32 (1).
How big is a typical board using the C7440?
The median is 99.5 × 68.5 mm, and 50% are two-layer designs.
What is the most popular open source board using the C7440?
By GitHub stars, Electronics-Design-Exploiteers-Hacker-Pager by exploiteers, with 26 stars.
Can I simulate one of these boards using the C7440 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.