vali khandangoll Active Member Nov 15, 2019 #1 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
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 Active Member Licensed User Longtime User Nov 17, 2019 #2 with esp8266 you can messure the batterie with the adc port Upvote 0
janderkan Well-Known Member Licensed User Longtime User Nov 17, 2019 #3 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) Upvote 0
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 Active Member Nov 23, 2019 #4 Siam said: with esp8266 you can messure the batterie with the adc port Click to expand... hi again. i normally use uno board. i think must ignore that. Upvote 0
Siam said: with esp8266 you can messure the batterie with the adc port Click to expand... hi again. i normally use uno board. i think must ignore that.