Waveshare® DS1302Z DS1302 Clock RTC Board Real-time Clock Module

Feature Using DS1302 serial real time clock chipIt can time the year month week day hour minute and second and the year count can reach 2100 years with leap year compensation functionChoice of 24 hour system or 12 hour system AM PM format Trickle current charging of backup powerAdopt general 32 768kHz crystalOnboard button battery holderLead out SPI interface support three wire or four wire synchronous serial communicationParameter 　　Working voltage 2 0V 5 5VBackup power supply voltage 3 0V 5 0V 　　Working temperature 0°C 70°CPower less than 1mW hold data and clock information 　　　　 　　　　　 　　Size 31mm 15mm　Documents Schematic Click here to openSample tutorial Click here to openDS1302 EN Click here to openApplications Handheld deviceselectronic watchElectronic alarm clockPackage includes 1 xClock Module battery is not includes