2 open source boards using the EPCS4
Real designs built with the EPCS4, 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.
WCH CH32/CH55xTrhmsx
cristianoag
150.4 × 120.4 mm127 parts4LNo license29
ESP8266Trhmsx
wagnertavares
150.4 × 120.4 mm120 parts4LNo license4
The EPCS4 in open source designs
The gallery holds 2 open source boards using the EPCS4 from 2 GitHub repositories; a typical one measures about 150.4 × 120.4 mm and carries around 124 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is Trhmsx by cristianoag.
Parts used alongside the EPCS4
Microcontrollers on boards using the EPCS4
What boards using the EPCS4 are built for
EPCS4: common questions
Where can I find a EPCS4 reference design?
Each of the 2 boards on this page is a real design using the EPCS4. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the EPCS4?
The AMS1117-1.5, AMS1117-3.3, EP1C12Q240C8N, M51953BFP and MT48LC16M16A2TG appear in the most repositories here.
Which microcontrollers do boards using the EPCS4 use?
Most are built on WCH CH32/CH55x (1) and ESP8266 (1).
How big is a typical board using the EPCS4?
The median is 150.4 × 120.4 mm, and 0% are two-layer designs.
What is the most popular open source board using the EPCS4?
By GitHub stars, Trhmsx by cristianoag, with 29 stars.
Can I simulate one of these boards using the EPCS4 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.