Date:
2.11.20
Location:
Logan High School
Time:
4:30-6:30 PM
Goals:
Continue working on circuit boards, begin planning an experiment
Students:
Tommy, Abie, Clara, Sam, Will, Ella
Fun news
from today’s meeting: our t-shirts should be here next week!
We talked
about the pressure within the bladder as the water level decreases. In order to
figure out what will go on inside of the bladder as the water levels change, we
need to conduct a detailed experiment. The bladder is flexible and can change
shape as it gets filled or emptied. We need to find a way to measure that. We
also need to determine what we are going to consider as “full.” How much water
are we putting into the bladder? This measurement should be consistent when
experimenting. Our goal for the experiment is to find a function that will tell
us the volume of water. Our team broke up into three groups; one group worked
on the circuit boards, the second worked on the programming needed for later
on, and the third worked on preparing the experiment.
Circuit
board work came along slowly. We had a few desolders and questions on schematics.
We hoped to be done with this tonight and we were not. Software is moving
forward with a successful test of Bluetooth communication link between phone
and microcontroller and then with a potentiometer test where we saw an output
registered on the phone. This is nice progress on the coding end.
 |
| Tommy and Clara working on soldering the circuits boards. |
 |
| Will and Sam working on code to interpret sensors. |
 |
| Mr. Butterworth (retired Mechanical Engineer) looking over the CamelBak for sensor hose locations. |
Video of the microcontroller outputing a signal to a phone.
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