Week 13 Drake

Blog sheet Week 13:

1. Provide the updated computer drawing for your individual RG setup.

2. Explain your setup.

In my setup, Mohammad's Rube Goldberg device ends with dominoes that will start my motor which will release the marble ball down the mechanical device I created, and it will flip the switch once it reaches the goal.  Once the switch is flipped, my second relay is triggered which will start Liam's Rube Goldberg device by knocking over his dominoes.

3. Provide photos of the circuit and setup.

Above is the mechanical device and below is a video of the whole circuit.

4. Provide at least 2 new videos of your setup in action, one being a failed attempt.

The video above is the successful circuit.  You can't really see the light or the goal turn on, but it worked.  Below was a failed attempt.  The reason that it failed was because the ball didn't flip the switch hard enough and it failed to work.

Above is another failed attempt that I had, not while the whole design was running but when I was designing the switch to turn the goal on.  I had accidentally installed the switch backwards so instead of it turning on to say "GOAL" it was already on and pressing the switch turned it off.

5. What failures did you have? How did you overcome them?

One of the biggest failures that I had was when the ball came down the ramps that it wasn't getting enough power to flip the switch and turn on the second relay/LED/GOAL.  The reason that this was happening was because the ramps were too wide.  The marble was losing energy while it was going down the ramps and instead, I skinnied up the ramps, and the marble had a direct path to hitting and flipping the switch.

6. Group task: Explain your group RG setup.

Mohammad is applying a light to the photosensor and the PS makes the relay turn on, then the relay turns on the motor which drops his dominoes and then triggers my switch which turns on my motor that releases the ball.  The ball goes down my mechanical device and finally triggers my second switch, which lights up the letters "GOAL" on my second circuit board, triggers the relay, and starts my timer.  Once my timer is done it will start my second motor, which will knock over dominoes and start Liam's circuit.

This RG trial of mine failed because we forgot to turn the power on.  Also the marble didn't trigger my second switch anyways so I had to modify the track that the ball went on to make it more direct to the switch.

This trial ran perfectly.  I modified the track and the marble has a 100% direct path to the switch so it will not fail.



7. Group task: Video of a test run of your group RG.

Week 13 Mohammad

Blog sheet Week 13:

This week’s blog sheet will be both individual and group.

Your blogsheet 13 tasks:

1. Provide the updated computer drawing for your individual RG setup.

2. Explain your setup.

in my RG i am going to start with the photo sensor which is covered by a paper so if i move the paper the opamp is going to send voltage to the relay which is going to make the motor work the motor will pull the ball to hit the domino in the middle of the domino there is a force sensing resistor which is going to make both 7 sigma displays work and show a word GO.
3. Provide photos of the circuit and setup.

4. Provide at least 2 new videos of your setup in action, one being a failed attempt.

5. What failures did you have? How did you overcome them?
the first failure is that the motor didn't receive voltage from the relay i was thinking that i might made a wrong connection in the circuit so i cheek that and i didn't find any thing wrong so i changed the relay for three times and i found finally that the three relays that i tried is not working.

the second failure is that i didn't find way that make a connection between the the photo sensor and the relay i used the opamp to send the voltage but that also didn't work with me i am still searching about the way that i can connect these.

the third failure is the the FSR need a heavy weight to make the 7 sigma displays work i was using 330 ohms resistor so that was too much so ichanged them to put 82 ohm resistor so now is better than before and the seven sigma displays work with me well.

Mohammad is applying a light to the photosensor and the PS makes the relay turn on, then the relay turns on the motor which drops his dominoes and then triggers my switch which turns on my motor that releases the ball.  The ball goes down my mechanical device and finally triggers my second switch, which lights up the letters "GOAL" on my second circuit board, triggers the relay, and starts my timer.  Once my timer is done it will start my second motor, which will knock over dominoes and start Liam's circuit.

We forgot to turn on the power^^

This worked perfectly^^

Week 12 Drake

Blog Sheet Week 12 - Drake

1. Provide the computer drawing for your individual RG setup.

2. Explain your setup.

In the RG setup that I created it starts with the switch that triggers the relay.  Once the relay is triggered the motor starts and will release the marble.  The marble goes down the ramps of my mechanical device and enters inside the goal.  Inside the goal the marble will flip my second switch, and on my circuit board GOAL is lit up, and the LED lights up on top of the goal.  The second relay is also triggered to go onto the next RG setup.  

3. Provide photos of the circuit and setup.

4. Provide at least 2 videos of your setup in action (parts or whole), at least one being a failed attempt.

Above is a successful attempt.

The circuit above was a failed attempt.  It failed because the ball was very wobbly down the ramp and didn't have a direct path to the switch.

This is a fail when I was designing the circuit.  I had made the mistake of turning the relay and GOAL off when the switch was turned.

5. What failures did you have? How did you overcome them?

The biggest failure that I had was having enough power from the marble to trigger the switch and turn on the second circuit board.  The ramp was a little big, so the marble didn't necessarily have the most direct path to hit the switch.  I overcame it by making the ramp skinnier and adding tape to the ramp which decreased friction on the ramp and allowed the ball to travel faster.  At first I wanted a bigger ball, but I realized that the equation 1/2mv^2 means that the more power would be because of a higher velocity not a bigger ball, so I maxed the velocity as much as I could from the ball.  

Week 12 Mohammad

Blog sheet Week 12:
This week’s blog sheet will be individual but you will post it on your group blog.
Your individual Rube Goldberg (RG) setup should satisfy the following:
1. Use at least 5 of the following components:
a. Transistor
b. OPAMP
c. Relay
d. Temperature sensor
e. Photosensor
f. Motor
g. Display
h. Strain gauge
i. Speaker
j. Microphone
k. Solar panel
2. Use a new circuit: It can be a modification to one of our lab circuits.
3. Let your system complete its task in no shorter than 10 seconds.
4. Make sure you are compatible with your preceding and following RG stage.

1. Provide the computer drawing for your individual RG setup.

2. Explain your setup.
in my RG i am going to start with the photo sensor which is covered by a paper so if i move the paper the opamp is going to send voltage to the relay which is going to make the motor work the motor will pull the ball to hit the domino in the middle of the domino there is a force sensing resistor which is going to make both 7 sigma displays work and show a word GO.

3. Provide photos of the circuit and setup.

4. Provide at least 2 videos of your setup in action (parts or whole), at least one being a failed attempt.

5. What failures did you have? How did you overcome them?

the first failure is that the motor didn't receive voltage from the relay i was thinking that i might made a wrong connection in the circuit so i cheek that and i didn't find any thing wrong so i changed the relay for three times and i found finally that the three relays that i tried is not working.

the second failure is that i didn't find way that make a connection between the the photo sensor and the relay i used the opamp to send the voltage but that also didn't work with me i am still searching about the way that i can connect these.

the third failure is the the FSR need a heavy weight to make the 7 sigma displays work i was using 330 ohms resistor so that was too much so ichanged them to put 82 ohm resistor so now is better than before and the seven sigma displays work with me well.