Love-o-MeterThis Arduino took more time than any of the past ones, the code was much more complicated. I leaned what it meant, but it took me awhile because I had to change some numbers to get it to work. Other people messed up the breadboard and placed the heat sensor wrong, turning it into a scalding piece of plastic.
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Color Mixing LampNow this circuit will forever be one of the most tedious breadboards I made. The light sensor and the plastic that has to go over them made this a very difficult time. I also made it harder on myself by putting the sensors so close together. Moreover, it was one of the longest codes I'd write.
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Light ThereminThe first Arduino to use sound, and it sure made a noticeable one. Using a light sensor, the light theremin made different pitches based on the light levels it read. The code was simple and was easy to write and to understand. The noise was just not enjoyable and it was only good as an irritant.
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Keyboard InstrumentSome buttons and the code to go with it results in a very basic keyboard. Each button corresponded to a pitch, then from there you could play a song. You could also layer buttons on top of each other to create new pitches and widen the range. A simple and fun Arduino which was able to do a variety of songs.
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Motorized PinwheelOur first Arduino that relied on auxiliary power from a 9V battery instead of the computer. The task that it did was really simple and just spun the motor when the button was pressed. Only issue was between the book's diagram and how it actually works. The breadboard has two sides and these sides needed to be connected to create a full circuit.
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Digital HourglassThis was an easy to understand Arduino with a simple bread board design. Only issue was that the code took a while to write. This was because every light needed it's own constraints and I had to type every one. Afterwards I was able to set the speed and make it take as long as I wanted.
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At this point in the year, we were able to take our Arduino kits home and work on them there. So I gladly took the offer and finished my remaining Arduinos at home.
ZoetropeThe zoetrope was the first Arduino that we used the H-bridge for and that allowed us to input two different sources of power. This them allowed (with the right code) us to turn a motor, both clockwise and counterclockwise, without switching wire inputs. Building the breadboard was a bit difficult, but I got it. The code was long but simple to write, thought that didn't mean it was without problems. Somehow I missed an entire block of code which told the motor to switch directions. Eventually I realized my stupidity and got the code in.
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Knock LockNow this was an interesting Arduino, it works, but only once. I'm not sure why, but the lock only worked once per reset. I know this wasn't my code because after a bit of staring and raking my brain, I copied an online code and this didn't work either. It also couldn't be the breadboard because the lock worked once. So I had a strange gremlin in my project and couldn't find it. Anyway, it was cool that the piezo could be used to read a knock or movement so I could move a motor.
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Touchy Feely LampAs the last Arduino we did, this was surprisingly simple in both design and in code. Only issue was that the code needed to access the capacitive sensor library in Arduino. Only problem was that the coding software I was using, didn't have this already as a library, and I didn't know was to do. So, some internet searches later, and I got it up and running.
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Looking Back
Throughout this entire Arduino process, I have learned the importance of the small details. Whether is be in the pins of the breadboard, or a semicolon at the end of a coded statement. Due to the way Arduino works, it teaches you that hard way that, a rushed project is is never as good as a well designed and thought out project. This lesson did assist me in my final project because it taught me to fear both computer and human errors. This paid off because I often times found problems that would have ruined my project.