Recap of previous lectures 1

What is the advanced feature that can be realized by energy harvesting systems compared to a battery-powered IoT system?

• Sensing

• Data collection

• Data transmission

• Energy is data

What components are needed in a complete IoT building block? (Multiple choices)

• Sensor

• Network connection

• Data platform

• Analytics

• User interface

Which philosophy can help to achieve energy-efficient design that is suitable for the implementation of energy harvesting technologies?

• Universal, one-for-all

• Case-by-case

What are important factors to consider when designing an energy harvesting system? (Multiple choices)

• Available ambient energy

• Duty cycle

• Sleep-mode power

• Operation power

What is to be considered first in a source-driven design route?

• Available ambient energy

• Interface electronics

• Use case

• Data to be collected

What is to be considered first in a data-driven design route?

• Energy harvester

• Available ambient energy

• Data to be collected

• Interface electronics

Which method cannot be used for harvesting kinetic energy?

• Triboelectric harvesters

• Piezoelectric harvesters

• Electromagnetic harvesters

• Pyroelectric harvesters

When you have a constant hot surface and a constant cold surface, which method is suitable for harvesting such an energy source?

• Thermoelectric generators

• Pyroelectric harvesters

• Photovoltaics

• Magnetostrictive harvesters

When you have a heat source that keeps changing the temperature, which method is suitable for harvesting such an energy source?

• Photovoltaics

• Thermoelectric generators

• Pyroelectric harvesters

• Piezoelectric harvesters

What do you need to harvest RF energy?

• Piezoelectric harvesters

• Rectenna

• Solar cell

• Capacitors, resistors, and inductors