I am feeding the LilyPad with a power supply ( LilyPad Power Supply - DEV-08466 - SparkFun Electronics ) so it should supply a Vcc of 5V. However, I believe I am getting 3.3V, because I have connected a temperature sensor, and I get the correct read of temperature in degrees when I suppose that the vo…

LilyPad voltage refence of ADC of 3.3V

kf2qd March 20, 2012, 6:32pm 3

Check what the voltage is at the AREF pin. If it is 3.3V then your reference is 3.3V.

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