Designing a Real-Time Clock (RTC) using an Arduino is a useful project for timekeeping and timestamping in various applications. You can use a dedicated RTC module like the DS3231 or DS1307, which ...
In this project a DCF77 time radio receiver was connected to a DS3231 RTC module. It is controlled by an ATtiny88. The RTC module is set to the correct time using the DCF77 receiver. If a time ...
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