资源介绍
DFRobot_DS323X
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 life span, and is compatible with 2.5-5.5V wide voltage range. The current comsuption of the module is as low as 2uA when powered by batteries. This module can be used to measure ambient temperature with ±3℃ accu