WorksheetsArduino Level 2
Total questions: 13
Worksheet time: 7mins
Which one in NOT the MAIN COLOR that this component can produce?
Red
Green
Yellow
Blue
Which one of the following Arduino UNO pin is NOT a PWM pin?
pin 3
pin 4
pin 10
pin 11
To fade an LED that is connected to a PWM pin, we use (a) instead of digitalWrite.
Which one is the CORRECT connection of the I2C module of the LCD to the Arduino pins?
GND to 3.3V
VCC to SDA
SDA to Analog 4
SCL to Digital Pin 1
Besides <LiquidCrystal_I2C.h> library, which other library is needed to use a Liquid Crystal Display I2C?
<Display.h>
<RS3231.h>
<Serial.h>
<Wire.h>
lcd.setCursor(3,1) will display the characters on the LCD to....
3rd ROW, 1st COLUMN
3rd COLUMN, 1st ROW
4th ROW, 2nd COLUMN
4th COLUMN, 2nd ROW
In this code: LiquidCrystal_I2C lcd(0x3F,16,2); the value "0x3F" represents the...
Time on the LCD
Address of the I2C module
Maximum row of the LCD
Maximum characters the LCD can support
What is the use of the potentiometer on the I2C module of the LCD?
To make text move faster
Adjust the contrast of the screen
Adjust the speed of data
Adjust the volume
Two main reasons that the backlight of an LCD didn't turn ON (assuming the LCD light is not broken) :
no lcd.backlight(); in void setup()
Backlight jumper on the I2C module missing
Wrong lcd.setCursor code
No pinMode(lcd, OUTPUT) in void setup()
DS3231 is a Real Time Clock (RTC) module. Besides being used as Clock, it can be used to detect...
Sound
Temperature
Distance
Light
Which of the following are TRUE about DS3231 module? (more than 1 answer)
It connects to SDA, SCL, 5V & GND
It needs a battery to store TIME & DATE
It doesn't require any library in the Arduino IDE
SCL pin can be connected to Analog 5 of the Arduino UNO
Which of the following DOES NOT require a library in the Arduino IDE to function properly?
What is the correct output of the code above?
