How To Read Battery Voltage without External ADC

[PK]

Hi all,

Is there a way to measure external battery voltage (connected to NRF51822) internally using S110 .

[PK]

Guys Got solution form this link

[https://devzone.nordicsemi.com/question/43647/how-do-i-measure-battery-level-on-an-nrf51422-without-external-components/]

[Vlad]

The link does not exist anymore.

[AmbystomaLabs]

It is detailed in the nRF51 Series Reference Manual page 169.  There are two choices for internal measurement of VDD.