Rotating LED Electronic Clock Kit , DS1302 , STC15W408AS ...
TheDS1302isdesignedtooperateonverylowpowerandretaindataandclockinformationonlessthan1µW.TheDS1302isthesuccessortotheDS1202.In ...,TheDS1302TrickleChargeTimekeepingChipcontainsarealtimeclock/calendarand31bytesofstaticRAM.Itcommunicateswithamicropr...。參考影片的文章的如下: