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.
STM32
Stm8s001rs485
TG9541
33.3 × 6.4 mm20 parts2LMIT19Rs485-ch340e
TG9541
16.9 × 14.4 mm14 parts2LMIT15ESP32
ESP32 battery management module
KomplexKapharnaum
56.5 × 57.5 mm98 parts4LMIT4ESP32
Audio board for ESP32 module
KomplexKapharnaum
39.8 × 44.5 mm26 parts2LMIT4ESP32
Audio board for ESP32 module
KomplexKapharnaum
99 × 109 mm26 parts2LMIT4ESP32
Audio board for ESP32 module
KomplexKapharnaum
99 × 109 mm26 parts2LMIT4RS485
FYNCH-BIO
33 × 22.9 mm18 parts4LNo license11
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
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.