Diymore 5pcs DS3231 AT24C32 IIC RTC Module Real Time Clock Memory Board Beats DS1307 for Arduino Without Battery (5)
Product Description
Diymore 5pcs DS3231 AT24C32 IIC RTC Module Real Time Clock Memory Board Beats DS1307 for Arduino Without Battery (5)
- The DS3231M is available in the same footprint as the popular DS3231 RTC. The RTC maintains seconds, minutes, hours, day, date, month, and year information.
- Two programmable time-of day alarms and a 1Hz output are provided. Address and data are transferred serially through an I2C bidirectional bus.
- Complete Clock Calendar Functionality Including Seconds, Minutes, Hours, Day, Date, Month, and Year, with Leap-Year Compensation Up to Year 2100.
- A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, to provide a reset output, and to automatically switch to the backup supply when necessary.
- Additionally, the RST pin is monitored as a pushbutton input for generating a microprocessor reset.
Module Parameters:
Two Time-of-Day Alarms
Supply voltage: 2.3-5.5V
1Hz and 32.768kHz Outputs
Fast (400kHz) I2C Interface
Size: 38mm (L) * 22mm (W) * 14mm
Digital Temp Sensor with ±3°C Accuracy
Operating Temperature Range: -40°C to +85°C
Memory chips: AT24C32 (storage capacity 32K)
Applications: Power Meters/Industrial Applications
Timekeeping Accuracy ±5ppm (±0.432 Second/Day) from -45°C to +85°C.
Feature:
8-Pin or 16-Pin So Packages.
Highly Accurate RTC With Integrated MEMS.
Underwriters Laboratories (UL) Recognized.
Footprint and Functionally Compatible to DS3231.
Battery-Backup Input for Continuous Timekeeping.
Reset Output and Pushbutton Input with Debounce.
Low Power Operation Extends Battery-Backup Run Time.
Simple Serial Interface Connects to Most Microcontrollers.
Resonator Completely Manages All Timekeeping Functions.
Note: Don't inclue battery LIR2032(Rechargeable), it only need 0.01 dollars, it's not safty to ship by air mail. So hope you can understand it.
Package Included:
DS3231 AT24C32 IIC High Precision RTC Module Clock Timer Memory Module
Technical Specifications
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