Journey Shi hong


welcome to arduino


Actual- success / failures / what did YOU actually accomplish

Future- Next steps

Team- Who did what? What roles did your teammates have? Who is helping and who is not? Who is absent?

Visual evidence


Arduino is an open-source physical computing platform

Arduino is the child of traditional desktop and laptop computers, a small portable computer

Capable of inputs and interpreting that information to control various outputs

Circuits an electronic loop with a starting point and ending point

Circuits can contain hundreds of thousands of components

Three categories of circuits analog, digital, and mixed-signal circuits

Jumper wire-a short wire used to complete an electric circuit or bypass a break in a circuit

LED-light-emitting diode, a semiconductor diode that glows when a voltage is applied.

Resistor-a device having a designed resistance to the passage of an electric current

Potentiometer-an instrument for measuring an electromotive force by balancing it against the potential difference produced by passing a known current through a known variable resistance and a variable resistor with a third adjustable terminal. The potential at the third terminal can be adjusted to give any fraction of the potential across the ends of the resistor.

Diode-a semiconductor device with two terminals, typically allowing the flow of current in one direction only and a thermionic tube having two electrodes (an anode and a cathode).

Photoresistor-is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other words, it exhibits photoconductivity.

Piezo Element- used as a tool to detect vibration or a knock

Transistor-a semiconductor device with three connections, capable of amplification in addition to rectification.

DC motor-electrical machines that converts direct current electrical power into mechanical power.

The difference between AC motor-electrical machines and DC motor-electrical machines.

AC reverse direction and DC go in one direction

Flex sensor-are passive resistive devices that can be used to detect bending or flexing

Servo- have integrated gears and a shaft that can be precisely controlled. Standard servos allow the shaft to be positioned at various angles, usually between 0 and 180 degrees

Relay- receive and pass on

Breadboard-a board for making an experimental model of an electric circuit


Goals:Complete circuit 1-4 arduino guide with my team

In this link I made a LED circuit. I used 1 arduino board, 1 330 ohm resistor, and 3 wires. Connected digital plugin 13 to 5f on the left side of the breadboard. Connected 5v to positive and GND to negative on the bottom left of the breadboard. The resistor is connecting negative-4 to I-4 connected to the negative side of the LED and the Positive side is connected to the line connecting digital plugin 13 in column 5 of the left side of the breadboard.

Next Step: To complete circuit number 2 potentiometer


Goals: My goals for today is to finish all the circuits online

When I was trying to figure how to activate the circuit according to the guide. I figure out how to activate the potentiometer but the only reason I could not use it because I forgot to capitalize the v in sensorValue.

Next Step: Finish the arduino online circuits by next class and continue on hands on arduino circuits.


Goals: finish all 12 circuits

Achievements: we created circuits 4-12 during these two days. We did it hands on because it will help use on the online circuits. Circuit 4 was a long process due to the vast amounts of wires and resistors. When we did circuit 5 we struggled for a bit due to placement Darren got the wiring wrong so I had to due some adjustments but it still did not work. So Stefan stepped in and so he figured out the gnd is connected to the positive input and 5v to the negative input. Then we went on to 6 it was a bit hard for the sensor to pick up light to have the light to stay up. Circuit 7 worked well but it was a bit delayed and the range of temperature is from 71-81. Circuit 8 was successful it only turn a bit then reverse it doesn’t do a full rotation. Then the buzzer circuit we got it on the first try it made a Rick Astley tune. Then we made the relay and the shift resistor that made specific patterns after that we were finished and the shift resistor circuit took the most time then we finish up to twelve circuits we were suppose to.

Next class: We haven’t received any instructions.


Goal: design the launcher’s launch circuit.

Achievements: we finish a survey and then continued on to create a launch warning using the buzzer. First we tried to make hot cross buns and failed then we realized the beating were off and when the beating were off the buzzer will have a continuous beep. Then after we made hot cross buns we find it annoying. So we made the tune little dreidel and it was quite amusing and we finish the tune till the end of the period.



Next class: the launch coding and create the physical wiring on the arduino uno.

Arduino videos :


Goal: To make our buzzer play first to catch our attention. Then the Rgb LED will signal the launch for the relay.

Stuff we did: Our code we had the other day had deteriorated because we are using the arduino app on the mac. So at first we did not know we made a bunch of changes but in the end we messed up and constantly erasing our problem when help arrives. Then almost at the end of the class we were still on the lights and sound. We were told to do our relay first but we did not have time. While we were at our table we ask Mr. Twilley to explain us the way the codes work so he did. We were shown two videos on the basics then we were told if we need a bit more help watch the third video.

Next: We need to finish the relay


Goal: finish all online circuits at home and build the relay for the launcher.

Stuff we did today: PT

Next Class: Create relay for the launcher

September Journey: We had our design figured out and we were ready to cut. We create our design on onshape and print the design out on the laser cutter. We had an Idea of creating a lazy susan and a device that turns the cannon vertically. After we had that design we started to print out the parts using the laser cutter and testing it to see if it works and if any changes is needed. Then we create a support and we use a balance tool to measure if the balance is accurate and able to hold our cannon.

board design
me working
on-shape design
wooden cut outs
shifter design

October Journey: There wasn't any progress during this month. All we had was the ball bearing done and we moved on to the Arduino section to create our relay for the cannon because rust class had to use the printer. not gonna say any names or groups who used up the laser cutter and wasn't able to do anything but just stand there we had to move on to the next month see you then(If you the reader want to read about that than go to the 2nd page).

November Journey: We build our cannon during this month. We barely have time to do our journal. We use the primer and cement to connect the pipes. We had to use the epoxy to glue the tire pump to the hole we drilled in the pressure pipe. once we had that done we screwed in the sprinkler valve into the two pipes. We did not put the cap on the pressure pipe because we need to do something with the base then we can put it on.

The base that took 2 months Journey: During this time we had to create our base but I worked on the Arduino with Nick. We have been splitting up work and Myron doesn't do a thing. Darren and Stefan is working on the Base they were doing it mostly on the laser cutter and create box designs that we never use( this does fit on the cannon). Then we go in the back but our comp doesn't let us transfer our design to the big screen. Once we had our design down we were then put in a line and we were waiting for other groups so we did nothing that period. Then Mr. Twilley told Darren that his design is in need of editing due to the dog bones. So then we changed up the design. So we went to print but it was too small and then the design breaks and Darren blames it on me for breaking it because the design broke when he trying to fit it in and for the two periods me and nick were just sanding the failed support but we got the base down. So then two day's later we reprinted our design then two members of our group stayed after school to finish( Darren{assistance} and Stefan). Next class we finished by placing the cap back on and due to the weather we weren't able to fire that day so we waited till next class. This class we fired 3 at 28 degrees, 3 at 23 degrees, and three at 14 degrees. Then we had a competition to shoot the assistance( Darren). We scored 20 and won, but we never landed any shots on Darren here's some pictures.

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