Voltage Pin on TTGO
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 Anyone know what the PIN # that I should use to read the voltage in an app is on the TTGO unit? 
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 @vintageslots The factory test code reads the voltage. https://github.com/Xinyuan-LilyGO/TTGO-T-Display/blob/master/TFT_eSPI/examples/FactoryTest/FactoryTest.ino