Hello! I have a Arduino LilyPad ATmega328V with a temperature sensor MCP9700. I have a correct read of temperature when the LilyPad is connected by USB FTDI of fixed 3.3V, because when I read the value of analog pin, I do this: lectura = lectura * (3.3/1024.0); But the problem occurs when I supply …

Lilypad + Temperature Sensor

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