The High Accuracy Pi RTC is based on the clock chip DS3231, the DS3231 is a low-cost, extremely accurate I2C realtime clock (RTC). It can provide a real-time clock(RTC) for raspberry pi via the UART ...

Macetech’s ChronoDot is a Real Time Clock module for projects requiring highly accurate time keeping and measurement. The ChronoDot uses the DS3231 chip, which features a TCXO to compensate for ...

A Precision Real-Time Clock System using ESP32, DS3231 RTC module, and SSD1306 OLED display for accurate timekeeping with battery backup. Features high-precision temperature-compensated crystal ...