Real Time Clock DS1302
$1.00
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In stock
Real Time Clock DS1302
SKU: CPMOD006
MPN: NA
$1.00
Product Description
The DS1302 is a real-time clock module that keeps accurate time, including seconds, minutes, hours, day, date, month, and year. It communicates via a simple 3-wire interface with Arduino, ESP32, and other microcontrollers. Powered at 3–5V, it includes a backup battery for timekeeping during power loss. Ideal for clocks, timers, data logging, and time-based automation projects.
Product Specifications
- Product Real Time Clock Module – DS1302
- Operating Voltage 3.3V – 5V DC
- Communication Interface Serial (3-wire interface: RST, I/O, SCLK)
- Timekeeping Features Seconds, minutes, hours, day, date, month, year (with leap-year compensation)
- Clock Format 24-hour or 12-hour with AM/PM
- Backup Battery Supports CR2032 battery for data retention
- Memory 31 bytes of RAM for user data storage
- Accuracy ±1 minute per month (typical, depending on crystal quality)
- Operating Temperature -40°C to +85°C
- Crystal Oscillator 32.768 kHz external crystal
- Special Features Low power consumption, automatic power switching to backup battery, easy microcontroller interface
