Arduino UNO

How can an Arduino board be powered using a USB cable?

• Use a voltage regulator to power the board

• Connect the USB cable to the Barrel Jack

• Connect the USB cable to the Analog pins

• Connect the USB cable to the USB connection

What is the function of a voltage regulator in an Arduino board?

• To convert analog signals into digital values

• To control the voltage given to the Arduino board and stabilize the DC voltages used by the processor and other elements.

• To control the voltage given to the Barrel Jack

• To power the Arduino board from an external power source

What does the crystal oscillator in an Arduino board help with?

• Controlling the voltage supplied to the board

• Dealing with time issues and calculating time

• Converting analog signals into digital values

• Generating PWM output for digital I/O pins

How can you reset an Arduino UNO board?

• By disconnecting and reconnecting the power source

• By pressing the TX and RX LEDs simultaneously

• By using the reset button on the board or connecting an external reset button to the Arduino pin labelled RESET

• By changing the crystal oscillator frequency

Which pin on an Arduino board can be used to power it from an external source?

• Vin

• 5V

• GND

• 3.3V

How many analog input pins does an Arduino UNO board have?

• 6

• 10

• 3

• 14

What is the main microcontroller on an Arduino board?

• Crystal Oscillator

• ATMEL

• ICSP

• Voltage Regulator

What does ICSP stand for in the context of Arduino?

• Internal Capacitor Short Protection

• Integrated Circuit Serial Pin

• In-Circuit Serial Programming

• Infrared Communication Serial Protocol

What does the Power LED indicator on an Arduino board indicate?

• That there is a problem with the connection

• That the board is powered up correctly

• That the board is not receiving any power

• That a program is actively running on the board

What do the labels TX and RX represent on an Arduino UNO board?

• Transmit and Receive

• True Extra and Really Extend

• Target Execute and Reboot X-server

• Time X and Remote Xerox