Wireless Sensor Node Architecture: Hardware Components

What are the main hardware components of a wireless sensor node?

• hard drive, RAM, CPU, motherboard

• keyboard, mouse, monitor, printer

• microcontroller, transceiver, power source, sensors

• camera, speaker, microphone, GPS

Explain the function of a microcontroller in a sensor node.

• It provides power to the sensor

• It sends the data to the cloud

• It processes the data collected by the sensor and makes decisions based on that data.

• It controls the physical movement of the sensor

What is the role of a transceiver in a sensor node?

• Transmitting and receiving data wirelessly

• Generating power from solar energy

• Controlling the temperature of the sensor node

• Storing data in a memory chip

Discuss the importance of power management in sensor node hardware.

• Increasing the size of the sensor node

• Ignoring power management and focusing on other features

• Using outdated hardware components

• Extending battery life and ensuring continuous operation

How does the sensor interface with the hardware components in a sensor node?

• By using infrared technology

• Through the use of physical cables

• Through the use of communication protocols and interfaces such as I2C, SPI, UART, or GPIO pins.

• By directly connecting to the power source

Explain the concept of data acquisition in the context of sensor node hardware.

• Data acquisition refers to the physical installation of sensors in the sensor node hardware.

• Data acquisition is the process of transmitting data wirelessly to the sensor node hardware.

• Data acquisition is the process of gathering and collecting data from sensors or other sources in the sensor node hardware.

• Data acquisition involves analyzing data from the sensor node hardware.

What are the different types of sensors that can be integrated into a sensor node?

• Color sensors, taste sensors, touch sensors

• Sound sensors, pressure sensors, vibration sensors

• GPS sensors, radar sensors, satellite sensors

• Temperature sensors, humidity sensors, light sensors, motion sensors, and gas sensors

Discuss the role of memory in a sensor node's hardware architecture.

• Memory has no role in a sensor node's hardware architecture

• Memory is only used for storing images and videos in a sensor node's hardware architecture

• Memory plays a critical role in storing data, program instructions, and configuration settings in a sensor node's hardware architecture.

• Sensor nodes do not require memory in their hardware architecture

How does the hardware architecture of a sensor node impact its energy efficiency?

• It only impacts the size of the sensor node

• It only impacts the cost of the sensor node

• It can impact energy efficiency by affecting power consumption and overall design.

• It has no impact on energy efficiency

Explain the concept of signal processing in the context of sensor node hardware.

• Converting sensor data into physical energy

• Storing sensor data for future use

• Sending and receiving signals from other sensor nodes

• Manipulation and analysis of sensor data to extract useful information.