SIK Lessons 3-9

Purpose is to simulate an analog output

• Voltage Divider

• Pulse Width Modulation

• Pull-Up Resistor

• Servo

A code command that is used to make choices in your program

• While loop

• For loop

• If/Else Statement

• Constrain

What does this segment of code do?

int ledPins[ ] = [2,3,4,5,6,7,8,9];

digitalWrite(ledPins[1], LOW);

• Turns digital pin 3 on

• Turns digital pin 2 off

• Turns digital pin 2 on

• Turns digital pin 3 off

What does this segment of code do?

if ((mode == heat) && ((temperature < threshold) || (override == true)))

{

digitalWrite(HEATER, HIGH);

}

• Will turn on heater if you're in heating mode OR the temperature is low AND if you turn on a manual override

• Will turn on heater if you're in heating mode AND the temperature is low OR if you turn on a manual override

• Will turn on heater if you're in heating mode AND the temperature is high OR if you turn on a manual override

• Will turn on heater if you're in heating mode OR the temperature is high AND if you turn on a manual override

Which of these is not like the others?

• Photo Resistor

• Flex Sensor

• Potentiometer

• Servo

Which word represents speed in bits per second?

• bandwidth

• baud rate

• latency

• bit rate

What does this segment of code do?

lightLevel = map(lightLevel, 0, 1023, 0, 255);

• It will take lightLevel's current range from 0 to 255 and expand it into the large range from 0 to 1023

• It will assign lightLevel a series of values that include 0, 1023, 0 and 255

• It will take lightLevel's current range from 0 to 1023 and squeeze it into the smaller range from 0 to 255

• It will assign lightLevel a high value of 1023

Which of these components might be found in a street lamp?

• Servo

• Flex Sensor

• Photo Resistor

• Push Button

Which of these devices has polarity?

• Resistor

• Wire

• LED

• Flex Sensor

Where would you likely find a potentiometer?

• Street Lamp

• Scrolling Marquee

• Video Game Controller

• Volume Knob