DS3231 AT24C32 IIC RTC Real Time Clock Module High Accuracy Memory Module with
$39.96
DS3231 is a low-cost,high-precision I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. This device includes a battery The RTC keeps track of seconds,minutes,hours,day of the week,date,month,and year information. For months with fewer than 31 days,the date is automatically adjusted,including corrections for leap years. The clock operates in either 24-hour format or 12-hour format with AM/PM indication. It provides two programmable calendar alarms and a programmable square-wave output. Address and data are transferred serially via the I2C offerirectional bus.A precision,temperature-compensated voltage reference and comparator circuit monitor the VCC status,detect power failures,provide a reset output,and automatically switch to the backup power supply when necessary. Additionally,the /RST monitoring pin can be used as a manual
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