Reading - A Siren Song

Work Summary

  • Snow Note

  • Read article.

  • Respond.

  • Design some circuits.

Snow Note

I know that the last week+ have been confusing and disruptive to everyone. We’ll get our feet under us and come out of break… well, with less snow, I hope.

Article: The Siren Song

The article for Thursday is in Moodle; it is titled The Siren Song of Open Harware/Software in Wireless Network Design. It is reasonably short and quite accessible.

Response

  • Imagine you are a student interested in doing summer research that involves electronics (in some way). What one lesson would you say you took away from this article that you would be most careful not consider as you went about your work?

  • Imagine that you are a senior, about to (or currently undertaking) your senior capstone—either GSTR 410 or a capstone in your major. What did you learn from this article that you feel is most important when considering 14-week long semester capstone projects?

  • You have recently learned that the lead author of the paper you’ve just read is considering taking on two more students to engage in summer research related to (but not the same as) the research that you read about in this paper. What advice or recommendation(s) would you make to the author before diving into the summer? For the students, what recommendation(s) would you have for them?

Design

Related (somewhat) to this article (but really just continuing our lab work), design two circuits for Thursday. Remember that analog pins on the Arduino are A0 through A5. You may use Fritzing if you wish, or you may work on paper, and draw schematics. I recommend the latter. Be reasonably neat; we’ll share these on the document projector, so clarity is important.

The Analog Light Sensor

Imagine you have a sensor with VIN (voltage in), GND, and VOUT lines. The VIN line is where the sensor gets its power (5V), GND is… GND, and VOUT is where you measure the voltage the sensor produces. (This means the sensor is very, very similar to the TMP36 that we used in class.)

Design a circuit that shows how you would connect the sensor to the Arduino. Do this on paper, and bring it in to class.

The LDR

The light-dependent resistor is a 10K variable resistor. Therefore, to measure it, we must put it in a voltage divider, preferably with another 10K resistor (that is not variable).

Design a circuit that shows how you would build a voltage divider with the LDR and 10K resistor, and connect up the VOUT from the divider to the Arduino.

Submission

To submit your written response from above, send it to Moodle. Bring your diagrams to class for sharing/discussion and building.