NOTES

Two forms of electricity

• AC - Alternating Currents (plugs), used for high voltage, better for long distances
• DC - Direct Current (similar to Arduino+breadboard), measured in voltages, positive and ground (not negative)
  • Power - elevator, fans, cranes
  • Electronics - computer, TV, radio
    • Analog - old radios
    • Digital

Binary - one and zero in Arduino is just voltage or no voltage

Multimeter - measures multiple things, main things we want is Voltage (V), for AC/DC

A is for Amp

Voltage is not constant, current is constant in circuit

Location defines resistance in a circuit

Make sure that it’s on the right

Circle with an ex is a symbol for ‘load’ (lamp in class example)

Circuits are either in series and parallel

Parallel can be better in some cases, more often used because if one goes out the other one can still survive

Switch - disconnects the circuit

you can have it continuous or momentary

Aluminum can be used as well (wind = you can blow onto it)

Momentary normally on or off

Resistors - 220ohm, 10K

You can check your breadboard through the multimeter to make sure it’s working

Electricity goes from positive goes through circuit ends in ground

Next week:

TO DO:

• [x] Quiz
• [ ] Readings
• [x] Lab
• [x] Make it interesting (turn button, and think about what else it can be/do)