Questions and Answers
What is the operating voltage of the Arduino Uno board?
5V
How many analog input pins are available on the Arduino Uno board?
6
What is the recommended input voltage range for the Arduino Uno board?
7V to 12V
How much flash memory does the Arduino Uno board have?
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What is the clock speed of the Arduino Uno board?
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Describe a key advantage of using the Arduino IDE for programming.
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What is the purpose of the setup() function in the Arduino code?
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What is the formula used to calculate the distance in the Arduino code?
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What is the main function of the DHT11 sensor in the lab experiment?
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What are the hardware requirements for the DHT11 sensor experiment?
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What is the purpose of the pulseIn() function in the Arduino code?
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What is the importance of installing the DHT sensor library in the Arduino IDE?
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What is the purpose of the analogWrite(enA, 255) function in the Arduino sketch?
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What is the role of the pinMode(enA, OUTPUT) function in the Arduino setup?
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What is the purpose of the delay(2000) function in the Arduino loop?
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What is the significance of the in1 and in2 pins in the motor driver module?
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What is the purpose of the motor driver module (L298N) in the circuit?
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What is the role of the Arduino Uno in the circuit?
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Study Notes
Arduino Board Features
- Operating voltage of Arduino Uno is 5V
- Recommended input voltage ranges from 7V to 12V
- Input voltage ranges from 6V to 20V
- Digital input/output pins are 14
- Analog input pins are 6
- DC Current for each input/output pin is 40 mA
- DC Current for 3.3V Pin is 50 mA
- Flash Memory is 32 KB
- SRAM is 2 KB
- EEPROM is 1 KB
- Clock Speed is 16 MHz
Arduino IDE
- Arduino IDE is an open-source software
- It is an Integrated Development Environment (IDE)
- Developed by arduino.cc
- Allows writing and uploading code to Arduino boards
Ultrasonic Sensor with Arduino
- The ultrasonic sensor is connected to trigPin (3) and echoPin (2)
- The code uses pulseIn function to calculate distance in cm
DHT11 Temperature and Humidity Sensor with Arduino
- DHT11 sensor is used to measure temperature and humidity
- The sensor is connected to a digital pin (e.g., pin 2) on the Arduino Uno
- The DHT library by Adafruit is used to interface the sensor with Arduino
Controlling a DC Motor with Arduino
- The DC motor is connected to a motor driver module (L298N)
- The motor driver module is connected to the Arduino Uno
- The code uses PWM signals to control the speed and direction of the motor
DHT11 Temperature and Humidity Sensor with Raspberry Pi
- The DHT11 sensor is connected to GPIO pins on the Raspberry Pi
- A Python script is used to read temperature and humidity data from the sensor
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Description
Test your knowledge on the features of the Arduino Uno board, including its ease of programming without a separate programmer, simplified C++ language in Arduino IDE, and the standard form factor that makes micro-controller functions accessible.
