4 open source boards using the SP3485
Real designs built with the SP3485, 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.
STM32Taiko-256
AnalogDragon
170 × 120 mm261 parts2LCustom license7
AVR/ArduinoRadio module
tmolteno
69.7 × 37.4 mm110 parts6LGPL-3.01
ESP32Bldc sic
klaus-liebler
60 × 63 mm113 parts2LMIT0
ESP32Bldc
58 × 60 mm112 parts2LMIT0
The SP3485 in open source designs
The gallery holds 4 open source boards using the SP3485 from 3 GitHub repositories; a typical one measures about 64.8 × 61.5 mm and carries around 113 components.
75% are two-layer designs, the rest use four layers or more, and 75% carry an open source license.
The most starred is Taiko-256 by AnalogDragon.
Parts used alongside the SP3485
Microcontrollers on boards using the SP3485
What boards using the SP3485 are built for
SP3485: common questions
Where can I find a SP3485 reference design?
Each of the 4 boards on this page is a real design using the SP3485. 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 SP3485 use?
Most are built on ESP32 (2), AVR/Arduino (1) and STM32 (1).
How big is a typical board using the SP3485?
The median is 64.8 × 61.5 mm, and 75% are two-layer designs.
What is the most popular open source board using the SP3485?
By GitHub stars, Taiko-256 by AnalogDragon, with 7 stars.
Can I simulate one of these boards using the SP3485 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.