2 open source boards using the CH304E
Real designs built with the CH304E, 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.
WLR089U0-SAMR34-Dev-Board-LoRaWAN
jithinsisaac
35.9 × 40.9 mm22 parts2LNo license1
PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN)
68.1 × 70.7 mm47 parts2LGPL-3.01
The CH304E in open source designs
The gallery holds 2 open source boards using the CH304E from 2 GitHub repositories; a typical one measures about 52 × 55.8 mm and carries around 35 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) by jithinsisaac.
Parts used alongside the CH304E
What boards using the CH304E are built for
CH304E: common questions
Where can I find a CH304E reference design?
Each of the 2 boards on this page is a real design using the CH304E. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the CH304E?
The median is 52 × 55.8 mm, and 100% are two-layer designs.
What is the most popular open source board using the CH304E?
By GitHub stars, PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) by jithinsisaac, with 1 stars.
Can I simulate one of these boards using the CH304E 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.