Jhosep Fernando Davila Salazar

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9 years, 6 months ago.

ADC-LPC1768

I'm using the AnalogIn to read the output of my IR sensor TCRT5000 which food with 5.0v. It obliagtorio use 3.3V for ADC readings or you can use 5.0v. Thank you in advance for your help.

1 Answer

Martin Smith
9 years, 6 months ago.

You can only read up to 3.3V anything over this will read in as 1. You can use a resistor network to reduce the voltage if you want?