When you switch on your PC or Mac, do you have to change its time? Highly unlikely! Do you have to on your Raspberry Pi? Possibly.Each time your Raspberry Pi boots it connects to what is called an NTP - Network Time Protocol - server and asks it the time. But what happens if your Pi is not connected..
This custom designed module for the DS1302 Real Time Clock. Interfacing the DS1302 with a microprocessor is simplified by using synchronous serial communication. Only three wires are required to communicate with the clock / RAM: RST, I / O (data line), and SCLK (serial clock).Features of Real-Time C..