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ADC for higher voltages than VCC?

Kino gravatar image

asked 2013-08-22 05:19:57 +0100

updated 2013-08-23 08:42:37 +0100

So i am using a LiPo battery at 4.2V and running my nRF51822 at 2.0V. Is it safe to connect the battery to one of the I/O pins to read off the battery voltage (as to calculate battery percentage)?

Much Thanks!

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olha gravatar image

answered 2013-08-22 09:13:03 +0100

updated 2013-08-23 08:42:37 +0100

Have you had a look at this question?

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Much Thanks, Did not see that.

Guest ( 2013-08-22 18:48:58 +0100 )editconvert to answer

Much Thanks, Did not see that.

Bastiaan ( 2013-08-22 18:48:58 +0100 )editconvert to answer

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Asked: 2013-08-22 05:19:57 +0100

Seen: 448 times

Last updated: aug. 23 '13