DS1302 Real Time Clock Module 31 x 8 RAMDescription:31 x 8 RAM for scratchpad data storageSerial I/O interface for minimum pin countWide Working Voltage: 2.0 ~ 5.5VSingle-byte and multi-byte transmiss..

DS1307 I2C real-time clock chip (RTC)24C32 32K I2C EEPROM memoryThe using CR2032 rechargeable lithium battery with charging circuitSolve the problem DS1307 with backup battery can not read and write.F..

1: Product Interface: Raspberry Pi B version 2X13 socket; Raspberry Pi A + / B + / 2-generation 2X20 socket; support Raspberry Pi B / A + / B + / 2; 2 * 5p 2.54mm pitch interface.2..

Raspberry Pi foreign highest precision clock module DS3231Note board can also use this module .Module itself can adapt to 3.3V and 5V system without level conversion , this is a super easy !two. chara..

A, PCF8563 clock chipPCF8563 is a PHILIPS company launched an industrial I2C bus interface with a very low power consumption of multi-functional clock / calendar chip. PCF8563 a variety of alarm funct..

DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnec..