Does the Arduino uno ver3 have inbuilt RTC or we have to externally connect the circuit?
There is not a RTC built in.
So yes you will need a separate RTC
Recommend you use a DS3231 ~ $1.00 on eBay.
.
Does the Arduino uno ver3 have inbuilt RTC or we have to externally connect the circuit?
There is not a RTC built in.
So yes you will need a separate RTC
Recommend you use a DS3231 ~ $1.00 on eBay.
.