deck

What is a circuit?

A closed loop through which electricity can flow.

What are the basic components of a circuit?

Power source, conductor, and load.

What is the Internet of Things (IoT)?

A network of physical objects embedded with sensors and technologies to connect and exchange data.

Give an example of an Internet of Things application.

Smart home devices.

What is Arduino?

An open-source electronics platform based on easy-to-use hardware and software.

What is the main use of Arduino?

For building interactive electronic projects.

How does Arduino support rapid prototyping?

It allows quickly testing ideas and making changes without complex setup.

What can Arduino do in an interactive project?

It can control actuators, read sensors, process data, and communicate with devices.

Define a microcontroller.

A small, low-cost, self-contained computer on a single integrated circuit.

What are key components of a microcontroller?

Processor, memory (RAM, ROM/Flash), and programmable input/output peripherals.

What is the primary function of a microcontroller?

To control specific functions within an embedded system.

What is the main difference between Arduino and Raspberry Pi?

Arduino is a microcontroller while Raspberry Pi is a microcomputer.

What does the digital I/O pins on Arduino do?

They can be used as either input or output pins.

What is the function of the ATmega microcontroller on an Arduino?

It acts as the main 'brain' of the Arduino.

What does the Reset Button on Arduino do?

Restarts the program by sending a logical pulse to the microcontroller's reset pin.

What is the purpose of a breadboard?

Allows for temporary wiring of electronic components without soldering.

What are jumper wires used for?

To connect different points on a breadboard or between components.

What type of resistor protects sensitive components in a circuit?

A resistor that limits electrical current.

What does a potentiometer do in a circuit?

Adjusts voltage via a rotating dial for analog control.

What is an ultrasonic sensor used for?

Calculating distance by emitting and receiving ultrasonic waves.

How does a PIR motion sensor function?

Detects heat signatures from moving objects.

Give a function of an LDR (Photoresistor).

Changes resistance based on light intensity.

What does the USB port on an Arduino do?

Loads programs from the Arduino IDE and powers the board.

What are analog input pins used for on Arduino?

To read signals from analog sensors.

What does the TX LED indicator on Arduino indicate?

It blinks during data transmission.

What is a gas/smoke sensor used for?

Detects flammable gases or smoke concentration.

Explain the function of an IR receiver sensor.

Detects infrared radiation, typically used in remote controls.

What is the role of capacitors in electronics?

To store and release electrical energy, stabilizing voltage.

What does a diode do in a circuit?

Allows current to flow in one direction only.

Define physical computing.

Bridges the digital and physical world, enabling digital code to control physical components.

Why is Arduino known for accessibility?

It is easy to learn for beginners.

What components are considered input components for Arduino?

Devices like pushbuttons, sensors, and other elements that send data to Arduino.

What can be built using Arduino?

Anything from simple LED blinkers to complex robotics or smart home systems.

What is the purpose of GND and 5V pins on Arduino?

To provide power and ground to your circuits.

How do you use a joystick with Arduino?

Combines two potentiometers to measure X/Y axis tilt.

What is the primary use of a flex sensor?

To measure bending, often used in gesture controls.

How does an optocoupler work?

Isolates two circuits that operate at different power levels.

What do the analog input pins A0-A5 on Arduino do?

They read signals from analog sensors.

Give an example of a temperature sensor compatible with Arduino.

LM35, DHT11, or DS18B20.

What is Arduino IDE?

An Integrated Development Environment used to write and upload code to Arduino boards.

What does the term 'open-source' imply for Arduino?

Designs and code are freely available for modification and use.

What is the importance of accessibility in Arduino projects?

It allows beginners to enter the field of electronics and programming easily.

Why is Arduino considered versatile?

It supports a wide range of projects from simple to complex.

What does PWM stand for and what is its use?

Pulse Width Modulation, used to simulate analog output.

What indicates that the Arduino board is receiving power?

The Power LED lights up.

How can Arduino communicate with other devices?

Through USB, Wi-Fi, or Bluetooth.

What is the role of microcontrollers in everyday devices?

To control specific functions such as in washing machines or microwaves.

What differentiates open-source hardware like Arduino from proprietary systems?

Open-source hardware is user-modifiable and accessible to everyone.