Arduino Basic

What is the microcontroller used in the Arduino Uno?

• ATmega328

• ATmega328P

• ATmega2560

• ATtiny85

What is the operating voltage of the Arduino Uno?

• 3.3V

• 5V

• 12V

• 9V

Which interface is used to program the Arduino Uno?

• HDMI

• USB Type-B

• Ethernet

• VGA

How many digital I/O pins does the Arduino Uno have?

• 10

• 14

• 16

• 20

What function is used to set a digital pin as input or output?

• digitalRead()

• pinMode()

• analogWrite()

• delay()

Which function is used to create a delay in milliseconds?

• delay()

• wait()

• sleep()

• pause()

What is the default baud rate for serial communication in Arduino?

• 4800

• 9600

• 115200

• 57600

What is the purpose of the PWM (Pulse Width Modulation) pins on the Arduino Uno?

• Reading analog signals

• Simulating analog output using digital signals

• Controlling I2C devices

• Enabling serial communication

Which library is commonly used for I2C communication in Arduino?

• SPI-h

• Serial.h

• Wire.h

• EEPROM.h

What is the maximum current an Arduino Uno digital pin can supply?

• 10mA

• 40mA

• 100mA

• 500mA