Get current pin voltage?

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by arturn on Mon May 20 04:38:01 MST 2013


I'm reading values from a ADC controller using below formula :

<code>adv_value = adv_value / MAX_VALUE * Voltage</code>

I'm using 5v voltage I would like to use exactly voltage value to improve my read,  not an 5 constant aproximation.
How I can get exactly voltatge in board ?