Pin 10
Pin 11
Pin 13
Pin A0
delay(100);
delay(1000);
millis(1000);
sleep(1);
MQ-135
BMP180
DHT22
Ultrasonic sensor
analogWrite()
noTone()
digitalWrite()
tone()
Arduino initialization file
Arduino sketch file
Arduino library file
Arduino output file
A value between 0 and 1023
A boolean value (true or false)
HIGH or LOW
A frequency value
LDR
DHT11
Servo motor
Analog pin
Digital pin with ~ symbol
GND pin
Vin pin
Arduino Nano
Arduino Uno
Arduino Mega
Arduino Nano 33 IoT
Sense environmental data
Control actuators
Connect IoT devices to the cloud
Store data locally
To read analog signals
To output digital signals
To output PWM signals
To write digital HIGH/LOW values
MQ-135 gas sensor
PIR sensor
BMP280
10mA
20mA
40mA
100mA
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(60);
A0
GND
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