Arduino (leds, signs, on & off)
Authored by Christ Sabbak
Engineering
9th - 12th Grade
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cathode is:
A) Positive (+)
B) Negative (–)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anode is:
A) Positive (+)
B) Negative (–)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which leg of the LED is the cathode and which one is the anode?
A) Short leg = Cathode, Long leg = Anode
B) Short leg = Anode, Long leg = Cathode
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does delay() do, and delay(1000) means seconds or milliseconds?
A) It speeds up the program; delay(1000) means seconds
B) It pauses the program; delay(1000) means milliseconds
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For an LED, which one is correct?
A) pinMode(led, OUTPUT)
B) pinMode(led, INPUT)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If I need to turn ON an LED, what code should I use?
A) digitalWrite(led, LOW)
B) digitalWrite(led, HIGH)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If I need to turn OFF an LED, what code should I use?
A) digitalWrite(led, HIGH)
B) digitalWrite(led, LOW)
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