7 open source boards using the SP3485CN

Real designs built with the SP3485CN, 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.

The SP3485CN in open source designs

The gallery holds 7 open source boards using the SP3485CN from 4 GitHub repositories; a typical one measures about 39.8 × 44.5 mm and carries around 26 components.

71% are two-layer designs, the rest use four layers or more, and 86% carry an open source license.

The most starred is Stm8s001rs485 by TG9541.

Parts used alongside the SP3485CN

Microcontrollers on boards using the SP3485CN

What boards using the SP3485CN are built for

SP3485CN: common questions

Where can I find a SP3485CN reference design?

Each of the 7 boards on this page is a real design using the SP3485CN. 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 SP3485CN use?

Most are built on ESP32 (4) and STM32 (1).

How big is a typical board using the SP3485CN?

The median is 39.8 × 44.5 mm, and 71% are two-layer designs.

What is the most popular open source board using the SP3485CN?

By GitHub stars, Stm8s001rs485 by TG9541, with 19 stars.

Can I simulate one of these boards using the SP3485CN 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.

Browse boards by part