8 open source boards using the ST485EBDR
Real designs built with the ST485EBDR, 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.
Modbus RTU mirror base board
galopago
82 × 31 mm25 parts2LCC-BY-4.07
AVR/ArduinoShield
ksmonkey123
52.7 × 53.3 mm57 parts2LMIT1
ESP32ESP32 master
kwiecinski
99.5 × 99.5 mm153 parts2LMIT3
Hub module
tmolteno
290 × 221 mm64 parts2LGPL-3.01
DC line module+Meter probe
100 × 100 mm98 parts2LMIT3
AVR/ArduinoRotationEncoder
nunosousa
50 × 25 mm47 parts4LMIT0
DataShield
34.6 × 53.3 mm31 parts4LMIT0
AVR/ArduinoDataDisplay
38.1 × 69.3 mm30 parts2LMIT0
The ST485EBDR in open source designs
The gallery holds 8 open source boards using the ST485EBDR from 5 GitHub repositories; a typical one measures about 67.4 × 61.3 mm and carries around 52 components.
75% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Modbus RTU mirror base board by galopago.
Microcontrollers on boards using the ST485EBDR
What boards using the ST485EBDR are built for
ST485EBDR: common questions
Where can I find a ST485EBDR reference design?
Each of the 8 boards on this page is a real design using the ST485EBDR. 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 ST485EBDR use?
Most are built on AVR/Arduino (3) and ESP32 (1).
How big is a typical board using the ST485EBDR?
The median is 67.4 × 61.3 mm, and 75% are two-layer designs.
What is the most popular open source board using the ST485EBDR?
By GitHub stars, Modbus RTU mirror base board by galopago, with 7 stars.
Can I simulate one of these boards using the ST485EBDR 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.