DS3231 RTC control and theory with the Bus Pirate

@omwah tweeted, “Article I wrote on controlling the Maxim DS3231 RTC with the Bus Pirate” The Maxim DS3231 is an accurate, yet relatively expensive real time clock (RTC). It has an integrated temperature compensated crystal and communicates over I2C. Get an assembled Bus Pirate for $30, including world-wide shipping. Also available from our friendly distributors.