Lab: digital and analog input / output

Doing the labs brought up some questions. For example, even though the code and the analog circuit with the potentiometer seemed fine, the Arduino read weird numbers.

After restarting the Arduino I have received the values I was expecting.

 

 

 

 

 

 

Potentiometer

 

Force Sensitive Resistors

 

Questions:

  • I would like to understand more the “delay” function at the Arduino.
  • what are the advantages of binary code?
  • what is a memory bit exactly?
  • why does “the fixed resistor in each circuit should have the same order of magnitude as the variable resistor’s range”?

 

 

Categories: Physical Computing

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