add battery status in advertisement packet

[rushin]

hello there i want to add battery status in my advertisement packet.is adc required for battery level? can you give me links for adding battery status in advertisement packet.

[awneil]

You haven't said what chip(s) you are using

[rushin]

i am using nrf51822

[awneil]

An ADC can, of course, be used to measure battery voltage.

But battery voltage is not necessarily a very good indicator of battery status; in some cases (particularly lithium-based batteries) it is a very poor indicator indeed!

eg, see: www.maximintegrated.com/.../121

[rushin]

then what should i use??

[rushin]

any reference code is available for adding battery level in advertising packet??