Three Arduino projects that interest me are:
Radar (code may be too complicated)
Tape measure using the ultrasonic sensor
Motion/sound detection light
Alarm clock
How does the 3D printing technology change manufacturing?
3D printing technology changes manufacturing by allowing people to create things they never could before like doctors using cartilage to 3D print an ear or pieces for prothetelic limbs, chefs creating new foods they never have, and in the future possibly whole organs from your own cells.
What can you do with a 3D printer?
With a 3D printer you can make anything from nothing using additive manufacturing.
I enjoyed this class very much. I was excited to see some new sensors I hadn't before like the moisture sensor. I am also excited to see if we get to use any other sensors in small projects before the final one. Lastly, I really really enjoyed the hand sanitizer project as I'm sure you can tell by the fact that I did it early (oops sorry). I was so happy to do something challenging and hands on. I had a lot of fun making both physical models of the automatic sanitizer!