How to measure battery level when I only use battery powered for nRF52832 ?

[tianfei00]

Dear all,

         In my project, I only want to use a battery to power for nRF52832. So,  I want to add the feature which can measure the battery level and notify the user. But I do not know how to implement  this  feature in hardware design and software design ?

       I wish I could get some deatiled and useful guidance.

      Many thanks for your help.

[awneil]

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