Have a look at this link to see all of the electronic symbols we learned about.
Which ones do you recognize? Which ones can you guess what they might do?
Like to take things apart? Here are a few great places to get "stuff"
Looking for motors? Try looking inside:
Everybody needs to make 2 batches of playdough please:
Conductive and Non-conductive.
Any colors you want!
Instructions are here
Here are some great videos about the squishy circuits we did today:
http://courseweb.stthomas.edu/a…/SquishyCircuits/videos2.htm
You can play with a virtual breadboard here:
https://123d.circuits.io/
Try finding the Intergrated Circuit (IC aka Chip) we were using:
7414
Function Generators:
We did this experiement to learn about frequency:
Here are the schematics of what we built:
This is the advanced version where the alarm "latches" meaning it will keep going off until you press the reset button. It also adds a second oscillator to make the annoying noise more like a siren.
R9 is a potentiometer (variable resistor). The ones given out in class are 10-turn pots. You will need to adjust it until you can reset then trip the alarm.