DS323X is a low-cost, extremely accurate, I2C real-time clock(RTC) module. It can provide ±5%ppm accuracy (no more than 0.432s error) within the whole temperature range and lifespan, and is compatible with 2.5-5.5V wide voltage range. The current comsumption of the module is as low as 2uA when powered by batteries. This module can be used to mea...
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