DS1302 real-time clock module พร้อมแบตเตอรรี่ CR2032

Features

• Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
• Serial I/O for Minimum Pin Count
• 2.0V to 5.5V Full Operation
• Uses Less than 300nA at 2.0V
• Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock or RAM Data
• Board Size: 44mm x 24mm

definition in the program):

VCC → + 5V / 3.3V

GND → GND

CLK → P02

DAT → P01

RST → P00

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