The CH341 IC is mainly used as memory programmer for BIOS. But the CH341 family of ICs supports lots of protocol which are very easy to use!
Build a reliable real-time clock with the Raspberry Pi Pico and DS3231 module, display time, date & temperature on I2C LCD, and learn syncin
Rockchip (EASY EAI) RV1126B RTC Usage
HMTT: Zero-Interval Edge Computing for Reliable Carpooling Proof of Presence