CIRCUIT SYSTEMS M349 DS1307 Real Time Clock AT24C128 Storage DS18B20 Temperature Sensor - Product Features
- DS1307 real-time clock chip, supports I2C communications protocol
- AT24C128 EEPROM memory chip, supports I2C communications protocol
- DS18B20 digital temperature sensor chip, support the single-wire interface communication protocol
- 32.768KHZ crystal module provides precise clock signals
- CR1220 SMD Battery Block