/*This uses a function to grab a value from a 16 pin Analog Multiplexer
http://www.sparkfun.com/commerce/product_info.php?products_id=9056
to retrieve a value from one of the registers.
To use: analogExtRead(analogpin, multiplexerpin);
This can be expanded to use diffrent digital pins as well.
*/
int digipin[] = {2, 3, 4, 5};
int analogExtRead(int analogpin, int multiplexerpin)
{
for(int i = 0; i < 3; i++)
{
digitalWrite(digipin[i], bitRead(multiplexerpin, i));
}
return analogRead(analogpin);
}
void loop() {}
void setup() {}