This design enables a modern 16x2 LCD display and Arduino-driven clock to replace the clock and driver circuits of a traditional LED clock radio. The original radio used a neon 7-segment display which ...

The most popular RTC for the Arduino is the DS1307. However, it does have some drawbacks, the most notable of which is that its operating voltage is 5v, which means it cannot be used with 3.3v ...

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