IOT SYNERGIA Day 1

What is the primary microcontroller used in Arduino Uno boards?

• ATmega2560
• ATtiny85
• ESP8266
• ATmega328P

What does IDE stand for in Arduino IDE?

• Integrated Design Environment
• Integrated Development Environment
• Intelligent Development Environment
• Interactive Development Environment

Which symbol is used for the increment operation in C++?

• *
• +=
• --
• ++

What is the purpose of the setup() function in Arduino programming?

• To initialize variables, pin modes, and libraries used in the sketch.
• To establish the communication between Arduino and other devices in the sketch.
• To set up the hardware components in Arduino programming.
• To define the loop() function in Arduino programming.

Which function is used to read a digital input in Arduino?

• analogRead()
• digitalRead()
• digitalWrite()
• pinMode()

What is the maximum baud rate supported by Arduino Uno for serial communication?

• 9600
• 57600
• 38400
• 115200

Which component is used to control high-voltage devices like home appliances in Arduino projects?

• Piezoelectric sensor

• Relay

• RGB LED strip

• Haptic feedback motor

Which of the following is used to control the position of a servomotor?

• Frequency signal
• PWM signal
• Analog signal
• Digital signal

What does LM35 measure?

• Temperature

• Humidity

• Voltage

• Pressure

Which function is used to begin serial communication in Arduino?

• Serial.begin()
• Serial.start()
• Serial.open()
• Serial.init()