6 open source boards using the CH340C
Real designs built with the CH340C, 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.
ESP32Sra dev board 2026
SRA-VJTI
90.2 × 90 mm145 parts2LMIT80
ESP32Ups to esp32
aronreid
36 × 58 mm38 parts2LGPL-3.052
ESP32Charge Controller
jharvey
139.7 × 88.9 mm157 parts2LNo license24
ESP32Lsa
61.9 × 24.2 mm16 parts2LMIT80
ESP32RC14
AgOpenGPS-Official
145 × 108 mm88 parts2LGPL-3.020
ESP32SensactHsIO4
klaus-liebler
90 × 74.6 mm196 parts2LApache-2.04