Real time clock & calendar with PIC18F4550 and DS3231
Interfacing PIC18F4550 with DS3231 RTC The DS3231 is a low cost , extremely accurate real time clock with a built-in crystal oscillator. The characteristics of the DS3231 make it one of the best choices for real time clock chips. This project shows how to build is simple real time clock and calendar (RTCC) using PIC18F4550 …
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