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Member Since 16 Mar 2013
Offline Last Active Aug 06 2015 10:26 AM
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Problem with Analog Input Port 0 and 5

06 April 2015 - 11:24 AM

Hello everyone,
 
i'm trying to read some analog signals at my Netduino and run into a problem.
The problem is that the analog port 0 affects the port 5.
 
On port 0 I have a potentiometer connected and on port 5 a temperature sensor (actually it does not matter which sensors are connected, the phenomenon always arises). If the potentiometer is set to zero, the value 88 appears in the temperature sensor. However, when I increase the potentiometer, the value of the temperature sensor rises (about 160, so the double).
 
I have tried all other combinations of ports. The problem arises only when something is changed to port 0, it changes in port 5 something. Even if I do it the other way around, it has no effect.
 
Can someone explain to me this effect, or try it on his own Netduino. Maybe mine is broken at this point.
 
(Sorry for the bad english, I'm from Germany)
 
Thank you and nice Easter
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