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ARDUINO EXAM STUDY SET
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ARDUINO EXAM STUDY SET...
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Arduino devices are programmed using Arduino IDE software that isavailable for Windows OS, Mac OS, and Linux OS. - ANSWER t
There are many versions of the Arduino PIC board. We used the
DFRduino and duemilanove boards in class lab projects. - ANSWER t
A resistor is a device having a designed resistance to the passage of an
electric current. We used them with the Arduino board and LED's in our
blink and tone sound circuits. - ANSWER t
Resistor values are measured in the unit "R" for resistance. - ANSWER
f
LED's will work regardless of how they are connected in a circuit. This is
because they are polarized circuit components that have a cathode and
anode terminal. - ANSWER f
The "virtual" circuits development environment we use is called
TinkerCAD. It is an app that you install on your PC and then run on any
web browser. - ANSWER f
The positive end of an LED is the "anode" end. This lead is normally
longer than the negative lead and sometimes bent from the factory to
indicate it is the positive end. - ANSWER t
The Arduino IDE software uses a block structure style programming
editor to write code that uses { and } curly braces. - ANSWER t
The function of a piezo speaker is to output sound created by the
Arduino, but it also doubles as a microphone input device. - ANSWER f
The Arduino board has 14 input/output ports that are programmable. -
ANSWER t
,The "pinOut (3, OUTPUT)" command in Arduino configures the specified
pin to behave either as an input or an output. In this case, pin 3 on the
Arduino board has been specified to behave as an output pin. -
ANSWER f
The command "digitalWrite (3, x)" controls the behaviour of a designated
pin (in this case pin 3) and either turns it on or off by replacing the "x"
and using the keywords "HIGH" or "LOW". - ANSWER t
We use resistors in our Arduino circuits to control the voltage and
current going into our components ensuring we don't damage them. -
ANSWER t
The Arduino has 6 PWM ports. PWM stands for Pulse Width Modulation.
These ports were used in our LED fade circuits. - ANSWER t
For Loops used in Arduino programs can help in avoiding copying nad
pasting code that needs to be run many times in a program. - ANSWER
t
The For Loop below shows a counter that will execute 8 times because
the counter starts at zero.
for (int count = 0; count <7; count ++){
.....
} - ANSWER f
The analogWrite(....., ....); method in Arduino programming is used to
control LED's to simulate a fading effect. - ANSWER t
A Seven Segment Display can have a common that is either anode (+)
or cathode (-) - ANSWER f
When using a 7 Segment Display component, you need to use one
resistor for each of the 7 segments to avoid burning out the LED
segments. - ANSWER t
, The decimal point is not one of the 7 segments in a seven segment
display component. It is a separate connection on the component with its
own pinout. - ANSWER t
To display desired numbers on a 7 Segment Display, we use the method
/ command:
analogWrite (pin, HIGH) ) ; - ANSWER f
The DFRduino controller gets its power from both the USB port when
connected, or the battery pack supplied on the robot vehicles. -
ANSWER t
On the Arduino, there are two power terminals: GROUND and +5V. Use
of these is determined by the type of circuit and components used on the
Arduino. - ANSWER t
The 7 Segment Display component must be placed over the "BRIDGE"
of the breadboard to ensure access to all contacts on the component are
accessible. . - ANSWER f
With the DFRduino Robot Vehicle Controller, there are two motor
outputs that control 4 motors. - ANSWER t
The DFRduino controller must get power from both the USB and the
external battery power source SIMULTANEOUSLY in order to work. -
ANSWER f
When programming the DFRduino robot controller, the USB cable must
be connected and the power to the vehicle turned on so that motors will
know when to activate. - ANSWER f
On the DFRduino robot controller, the front right and rear right motors
are connected to the Servo Power input, while the front left and rear left
motors are connected to the Motor Power input ports. - ANSWER f
A photoresistor exhibits a characteristic commonly called
photoconductivity. - ANSWER t
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