3 open source boards using the SP485
Real designs built with the SP485, 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.
STM32Multitool
cnlohr
68.6 × 95.3 mm84 parts2LNo license8
ChainlinkBase
scottbez1
98.4 × 190.5 mm119 parts2LApache-2.04.2k
IcE1usb RS422 extension
osmocom
37.5 × 32.5 mm52 parts4LNo license9
The SP485 in open source designs
The gallery holds 3 open source boards using the SP485 from 3 GitHub repositories; a typical one measures about 68.6 × 95.3 mm and carries around 84 components.
67% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is ChainlinkBase by scottbez1.
Microcontrollers on boards using the SP485
What boards using the SP485 are built for
SP485: common questions
Where can I find a SP485 reference design?
Each of the 3 boards on this page is a real design using the SP485. 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 SP485 use?
Most are built on STM32 (1).
How big is a typical board using the SP485?
The median is 68.6 × 95.3 mm, and 67% are two-layer designs.
What is the most popular open source board using the SP485?
By GitHub stars, ChainlinkBase by scottbez1, with 4,156 stars.
Can I simulate one of these boards using the SP485 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.