B4R Question how to measure zs-042 battery ?

[vali khandangoll]

hi all of you.
i have a zs-042 module and put a battery on that.
I must know when that battery will finish or low. because in my project must be play alarm when battery is low.
thank you

 

[Siam]

with esp8266 you can messure the batterie with the adc port

 

[janderkan]

If it is the battery connected to the module you want the status of, then you must check the Status Register (0Fh)
https://datasheets.maximintegrated.com/en/ds/DS3231.pdf (Page 14)

 

[vali khandangoll]

with esp8266 you can messure the batterie with the adc port

hi again.
i normally use uno board.
i think must ignore that.