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Question-1. What is Arduino?
Answer-1: Arduino is an open-source electronics platform based on easy-to-use hardware and software.
Question-2. What is the main purpose of Arduino?
Answer-2: The main purpose of Arduino is to provide a simple and accessible platform for creating interactive projects and prototypes.
Question-3. What microcontroller is commonly used in Arduino boards?
Answer-3: The Atmel AVR microcontroller is commonly used in Arduino boards, with the Atmega series being the most popular.
Question-4. How many digital and analog pins are there in Arduino Uno?
Answer-4: Arduino Uno has 14 digital input/output pins (of which 6 can be used as PWM outputs) and 6 analog input pins.
Question-5. What programming language is used with Arduino?
Answer-5: Arduino uses a simplified version of C/C++ programming language.
Question-6. What is the Arduino IDE?
Answer-6: The Arduino Integrated Development Environment (IDE) is a software used to write and upload code to Arduino boards.
Question-7. How do you connect Arduino to a computer?
Answer-7: Arduino can be connected to a computer via USB cable.
Question-8. What are shields in Arduino?
Answer-8: Shields are boards that can be plugged into Arduino boards to extend their functionality.
Question-9. What is the function of the pinMode() function in Arduino?
Answer-9: The pinMode() function is used to configure a pin as an input or output.
Question-10. How do you read analog input in Arduino?
Answer-10: Analog input in Arduino can be read using the analogRead() function.
Question-11. What does the digitalWrite() function do in Arduino?
Answer-11: The digitalWrite() function is used to set the state of a digital pin to either HIGH or LOW.
Question-12. What is the Arduino Uno?
Answer-12: Arduino Uno is one of the most popular Arduino boards, featuring the Atmega328 microcontroller.
Question-13. What is the bootloader in Arduino?
Answer-13: The bootloader is a small program that runs on Arduino boards, allowing them to be programmed via USB.
Question-14. What is the maximum voltage that can be applied to an Arduino pin?
Answer-14: The maximum voltage that can be applied to an Arduino pin is 5 volts.
Question-15. How do you create a delay in Arduino?
Answer-15: You can create a delay in Arduino using the delay() function, specifying the delay time in milliseconds.
Question-16. What is the purpose of the analogWrite() function in Arduino?
Answer-16: The analogWrite() function is used to create a PWM (Pulse Width Modulation) signal on a digital pin.
Question-17. What is the difference between Arduino Uno and Arduino Mega?
Answer-17: Arduino Uno has a single microcontroller while Arduino Mega has a larger microcontroller with more memory and more pins.
Question-18. Can Arduino be used for real-world projects?
Answer-18: Yes, Arduino can be used for a wide range of real-world projects including home automation, robotics, and IoT devices.
Question-19. What is the advantage of using Arduino in prototyping?
Answer-19: The advantage of using Arduino in prototyping is its ease of use, wide availability of sensors and modules, and large community support for troubleshooting and sharing projects.
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