RTC DS1302 Real-time Clock Module, model SFT-CK13, operating voltage DC 3.3V-5V. This compact SMD module provides real time clock functionality and is designed to replace DS1307 in compatible systems. Key benefits - Real-time timekeeping for timestamping data and scheduling events in embedded projects. - Wide supply range (3.3V to 5V) compatible with common microcontroller boards. - SMD package and compact form factor suitable for space-constrained designs. - Easy integration with a range of microcontrollers including Arduino, AVR, ARM, and PIC. - Can replace DS1307 in supported applications with minimal redesign. Specifications and compatibility - Item name: RTC DS1302 Real-time Clock Module - Model: SFT-CK13 - Operating voltage: DC 3.3V-5V - Real Time Clock module intended for Arduino AVR ARM PIC environments - SMD form factor; designed to replace DS1307 in compatible boards and designs Use scenarios - Data logging: add precise timestamps to sensor readings with an Arduino or AVR/ARM/PIC microcontroller. - Home automation: schedule actions and keep correct time across devices running on common MCUs. - Upgrade path: replace DS1307 in existing projects with DS1302 to enhance timekeeping capabilities without major changes.