Week 11

 prototype document




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Week 1 Pcom

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    Physical computing, to me, is a new thing. After reading the assignment and trying some labs, it reminds me of doing a circuit physics experiment back in high school. It is not the field that I am good at, but I feel inspired by the creative exercises in class that might drive me to be interested in physical computing.   I did the lab, and in the electronic measurements measuring voltage, I kind of failed the experiment. I used the multimeter to do the test, and I think everything went through in the first part, and I measured the dc power supply.  he label on the dc power supply shows the output should be 19v. But during my measurement, it is a volatile number changing in the multimeter. But the problem is that after putting all the voltage and led, the led can not be light up, and it shows low in the multimeter.  Then we go back the check every step and test the voltage regulator; we find out actually after we put the DC power jack on, the power didn't go ...
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Week 2 Lab

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  In this week's lab, I kind met some fundamental problems, so I kind can't achieve any lab successfully. I think it maybe some setting problems with my Arduino. For the first lab Digital input & output with Arduino, I think I do understand the concept that to use different pin to control the power by coding.  I do think my circuit is right, and I also tested my led are working. In the Arduino I verified my cod, everything  went through successfully. But after I upload it it saids programmer is not responding    Then I move to the lab Analog in with an Arduino. First of all I kind son't understand what dose Analog means in this content. Dose it means all the changing  parameters? In my understanding it is more like how to use different sensors working with Arduino. And in this coding I do have some hard time to understand some words. Like the const int and int, what should be const int and what should be int? And is the...
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Week3

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In the first lab about tone, I was confused by the figure on the lab reading. I missing the ground, so the reading of the press sensor was not changing by my press, it only changes by itself. After I connected with the ground I do have the analog value in my control, but the value I have is always in the range of 0-30. I don't know if it is too small, and also wondering why the umber I have have such a big gap with I don't have the ground before. The problem I have when I put the speaker with press sensor is that when I have the map number some with the lab, my speaker doesn't response. Then I think about the number I have in AnalogRead is way more smaller than 500, so I changed the range to 20,100. And the speaker works. I changed some numbers in the map and delay trying to see if what those numbers are doing. I kind find they are changing the frequency, but still don't understand what they exactly are.  For the one with play it loud, I also confused by the lab(why is ...
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