Arduino Board Components

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Match the following components with their functions:

Reset switch = Sends a logical pulse to reset the Microcontroller Crystal oscillator = Ticks 16 million times a second for microcontroller operations USB interface chip = Converts USB signals to a level Arduino UNO board understands Fixed Resistor = Resistor with a fixed, defined electrical resistance

Match the following terms with their meanings:

TX = Transmit RX = Receive Black wire = Directly connected to Ground (GND) Red wire = Connected to a source of power

Match the following components with their characteristics:

Variable resistor = Resistance value can be adjusted Photoresistor = Resistance decreases with increased light intensity Jumper wires = Connect two points without soldering Blue wire = Denotes a wire running directly to Ground (GND)

Match the electronic component with its description:

Bus strips = Connect the board and its electronic components to a power source Terminal strips = Plug various electronic components in and connect them to each other USB Port = Used to load a program from the Arduino IDE onto the Arduino board Power Port = The Arduino board can be powered through an AC-to-DC adapter or a battery

Match the memory component with its capacity:

Flash memory = 32KB RAM = 2KB CPU = Controls everything that goes on within the device Atmega328P = Pre-programmed with bootloader

Match the function with its description:

Flash memory = Stores the program loaded from Arduino IDE RAM = Runtime memory CPU = Fetches program instructions from flash memory and runs them with the help of RAM Atmega328P = Allows you to directly upload a new Arduino program into the device

Match the pin type with its characteristic:

Digital pins = Labeled as “Digital 0 to 13” and can be used as either input or output pins Bus strips = Connect the board and its electronic components to a power source Terminal strips = Plug various electronic components in and connect them to each other USB Port = Used for loading programs onto the Arduino board

Match the programming tool with its purpose:

Arduino IDE = Programs the Arduino board Bootloader = Pre-programmed into Atmega328P for uploading new programs without external hardware programmer AC-to-DC adapter = Powers the Arduino board through the power jack Printer USB port = Used to load programs from Arduino IDE onto the Arduino board

Match the power source with its method of connection:

AC-to-DC adapter = Connect by plugging in a 2.1mm center-positive plug into the power jack of the board Battery = Can be used to power the Arduino board USB Port = Also used for powering up the Arduino board Terminal strips = Connect various electronic components in and to each other

Match the functionality with its outcome:

RAM usage = Provides runtime memory for operations within the device CPU control = Manages all activities within the device by fetching and running program instructions Bootloader presence in Atmega328P = Enables direct uploading of new programs into the device without external hardware programmer Digital pins utilization as output pins = Acts as a power supply source for connected components

Study Notes

Arduino Board Components

  • Bus strips: connect the board to a power source and electronic components
  • Terminal strips: plug in and connect various electronic components to each other

Power and Programming

  • Arduino board can be powered through a USB port or a power port (AC-to-DC adapter or battery)
  • USB port is a printer USB port used to load programs from Arduino IDE onto the Arduino board
  • Power port: use a 2.1mm center-positive plug into the power jack

Memory and CPU

  • Flash memory: 32KB, stores programs loaded from Arduino IDE
  • RAM: 2KB, runtime memory
  • CPU: Atmega328P, controls everything, fetches program instructions from flash memory, and runs them with RAM

Microcontroller

  • Atmega328P is pre-programmed with bootloader, allowing direct upload of new Arduino programs without external hardware programmer

Digital Pins

  • Digital pins (0-13): can be used as input or output pins
  • When used as output, they act as a power supply source for connected components

Other Components

  • Reset switch: sends a logical pulse to the reset pin, restarting the program from the start
  • Crystal oscillator: quartz crystal oscillator, ticks 16 million times a second, performs one operation per tick
  • USB interface chip: signal translator, converts USB level signals to a level understood by the Arduino UNO board

Resistors

  • Fixed resistor: has a fixed, defined electrical resistance, not adjustable
  • Variable resistor: electric resistance value can be adjusted
  • Photoresistors: light-sensitive resistors, resistance decreases as light intensity increases

Jumper Wires

  • Jumper wires: connect two points without soldering, have connector pins at each end
  • Color coding:
    • Black (or Blue): wire running directly to Ground (GND)
    • Red: connected to a source of power (normally 3.3V)

Discover the different components of an Arduino board, such as bus strips, terminal strips, USB port, and power port. Learn how they function and how they are used in electronic prototyping.

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