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CH32X033F8P6 (812634f11) USB Device test

Status: Open.

#258 In openwch/arduino_core_ch32;

· BitByteBeetle opened on Aug 10, 2026

Pins IDs above 15 cause overflow in interrupt.cpp

Status: Open.

#257 In openwch/arduino_core_ch32;

· pukahontas opened on Jul 1, 2026

CH32X033F8P6 UART Serial Output Not Working with CH340N USB-TTL Adapter

Status: Open.

#256 In openwch/arduino_core_ch32;

· jagadheeswarivenkata-lgtm opened on Jun 18, 2026

CH32X033F8P6 Programming via USB CDC to Arduino ide Without WCH-Link

Status: Open.

#255 In openwch/arduino_core_ch32;

· Saandeeparduino opened on Jun 17, 2026

First interrupt after attachInterrupt

Status: Open.

#253 In openwch/arduino_core_ch32;

· fulda1 opened on Jun 6, 2026

Serial not work in ch32v003

Status: Open.

#251 In openwch/arduino_core_ch32;

· zhongjru opened on Apr 19, 2026

pinMode()/digitalWrite() silently fails for PB8-PB15 on CH32V203CxTx

Status: Open.

#246 In openwch/arduino_core_ch32;

· JYPochez opened on Apr 5, 2026

Not enough "Arduino pins" defined on high-pin-count chips/boards

Status: Open.

#245 In openwch/arduino_core_ch32;

· WestfW opened on Apr 2, 2026

xxx.build.board not passed to compiler(s)

Status: Open.

#244 In openwch/arduino_core_ch32;

· WestfW opened on Apr 1, 2026

[Bug]: YD-CH32V307VCT6 (8MHz HSE) fails to boot with Arduino/PlatformIO - Clock initialization issue

Status: Open.

#243 In openwch/arduino_core_ch32;

· rtek1000 opened on Mar 19, 2026

STOP mode on CH32V203 ??

Status: Open.

#242 In openwch/arduino_core_ch32;

· fulda1 opened on Feb 7, 2026

Failed to install platform: 'WCH:ch32v:25.12.23'. Error: 4 DEADLINE_EXCEEDED

Status: Open.

#236 In openwch/arduino_core_ch32;

· boda-akos opened on Dec 26, 2025