1 open source board using the CR1220-2
Real designs built with the CR1220-2, 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.
martinsram3kThe CR1220-2 in open source designs
The gallery holds 1 open source boards using the CR1220-2 from 1 GitHub repository; a typical one measures about 95 × 54 mm and carries around 41 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Node-Smart-Clock by martinsram3k.
Microcontrollers on boards using the CR1220-2
What boards using the CR1220-2 are built for
CR1220-2: common questions
Where can I find a CR1220-2 reference design?
Each of the 1 boards on this page is a real design using the CR1220-2. 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 CR1220-2 use?
Most are built on ESP32 (1).
How big is a typical board using the CR1220-2?
The median is 95 × 54 mm, and 100% are two-layer designs.
What is the most popular open source board using the CR1220-2?
By GitHub stars, Node-Smart-Clock by martinsram3k, with 0 stars.
Can I simulate one of these boards using the CR1220-2 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.