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DS3231 Real Time Clock Memory Module with Battery camera module Line Following Robot: Combine with IR Line Following Robot: Combine with IR sensors and an Arduino to build an autonomous line tracking robot with precise motor control and smooth turns Modern RISC V Architecture: The ESP32 C3 features an open standard 32 bit RISC V core running at up to 160 MHz efficient Exceptional Accuracy: The DS3231's integrated TCXO delivers + 2 ppm precision roughly + 1 minute drift per year far superior to the DS1307 and other crystal based RTC modules Built in Temperature Sensor: The DS1307 has no temperature sensing capability the DS3231 gives you this as a bonus feature
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