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November 8, 2011
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Programming, Linux, electronics
about 4 years ago
I’ve had this same problem (Arduino’s analogRead reading only 1023’s). And I did not modify anything to the hardware.
I found the solution when I noticed that the AREF pen on this shield was directly connected to GND. So my solution was to cut the wire (pen) that runs from the shield’s AREF to the Arduino’s AREF.
After I cut that wire I can read all analog inputs. And that is great because I can now use analog potmeters etc. for frequency/volume changes.
I use analogReference(DEFAULT) in my setup(), but maybe this is not necessary.
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