Network
Data Link
Physical
Presentation
Optical Sensor
Gas Sensor
Smolke Sensor
Pressure Sensor
ARM
RISC
CISC
x86
Runs continuously in a loop
Initializes variables and sets up configurations
Executes only when an error occurs
Used to include libraries
A0 to A5
D0 to D13
GND
3.3V
Pauses the program for a specific amount of time
Stops the program permanently
Restarts the program
Initializes the board
Analog pin
Digital pin with ~ symbol
GND pin
Vin pin
To read analog signals
To output digital signals
To output PWM signals
To write digital HIGH/LOW values
MQ-135 gas sensor
PIR sensor
DHT22
BMP280
10mA
20mA
40mA
100mA
BMP180
LDR
MPU6050
DS18B20
To start the Serial Monitor
To set up serial communication and baud rate
To write data to the Serial Monitor
To end the serial communication
Measure light intensity
Detect motion
Measure temperature and humidity
Monitor air pressure
delay(1);
delay(100);
delay(1000);
delay(60);
A0
RST
Vin
14
16
20
32
The frequency of data transmission in kilobytes
The number of bits transmitted per second
The power consumption of the device
The range of the communication
MQ-135
To generate a PWM signal
To produce a sound on a buzzer with a specific frequency
To control the brightness of an LED
To read analog values
tone(pin, frequency, duration)
tone(pin, duration, frequency)
tone(frequency, pin, duration)
tone(pin)
1 Hz to 1 kHz
31 Hz to 65535 Hz
100 Hz to 10 kHz
500 Hz to 1 MHz
Servo.h
Motor.h
Wire.h
LCD.h
0 to 90 degrees
0 to 180 degrees
0 to 360 degrees
-90 to 90 degrees
servo.attach()
servo.write()
servo.move()
servo.setPosition()
LiquidCrystal.h
LCDDriver.h
Display.h
It initializes the LCD with the number of columns and rows.
It prints a message to the LCD.
It clears the LCD display.
It changes the LCD backlight.
Use lcd.setCursor(0, 0) and lcd.print("Text").
Use lcd.begin(0, 0) and lcd.display("Text").
Use lcd.print(0, "Text")
Use lcd.text("Text", 0)
Match the cybersecurity threats with their descriptions.
1 → A, 2 → D, 3 → B, 4 → C
1 → B, 2 → A, 3 → C, 4 → D
1 → C, 2 → A, 3 → D, 4 → B
1 → E, 2 → F, 3 → B, 4 → A