Circuits
True or False:
When the switch is open → the circuit is off → no electricity flows → Arduino reads LOW or 0
What is an example of analog data?
Light Intensity, Volume, etc...
What color is natural gas?
Colorless
What rating of resistor should be used with a red LED?
220 ohm
Digital data consists of...
1/0
on/off
What smell does natural gas have when it occurs naturally (not from a pipeline)
Odorless
if (temperature > 30) { turnOnFan(); }
If the temperature is above 30 degrees, then turn on the fan
This type of motor moves in small, fixed steps instead of rotating continuously
Stepper Motor
______ describes the amount of energy used per second.
Power (watts)
Which type of light bulb has been around the longest: CFL, LED, or Incandescent?
Incandescent
A microcontroller takes inputs from sensors and produces outputs through ___________
Actuators
The main component (gas) in natural gas is:
Methane
The average home uses how much (kWh) electricity per year?
a) 110 b) 1100 c) 11,000 d) 110,000
c) 11,000 kWh