i want data history in saved to excel
example this 
source : Another History Graph Question - #4 by Dmitriy
i don’t know make such as 
please teach me
please how to make blynk server?
have video make to blynk server?
very confused 
i use win 7
i want data history in saved to excel
example this
source : Another History Graph Question - #4 by Dmitriy
i don’t know make such as
please teach me
please how to make blynk server?
have video make to blynk server?
very confused
i use win 7