GiamMa-based researchers SDR R&D IoT: A library that makes interfacing DS1302,DS1307,DS3231,PCF8583, PCF8563, #RTC_Millis Real Time Clock modules easy by NeiroNx #SoftwareDefinedRadio #DIY #HomeMade #DS3231 #Ham #Beacon #Arduino #Nano #ArduinoNano #Timing