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This chapter explores the critical roles of sensors and actuators in Internet of Things (IoT) systems. Sensors gather data from the environment, while actuators execute actions based on that data. Various types of sensors and actuators, along with their applications and interfacing methods with microcontrollers, are discussed in detail.
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Chapter 3_ Sensors and Actuators.pdfClass Notes
Memorization
What we have learnt
- Sensors detect and measure ...
- Actuators convert electrica...
- Microcontrollers interact w...
Final Test
Revision Tests
What we have learnt
- Sensors detect and measure physical properties and convert them into signals.
- Actuators convert electrical signals into physical actions.
- Microcontrollers interact with sensors and actuators through digital, analog, and PWM signals.
Key Concepts
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Term: Sensors
Definition: Devices that detect and measure physical properties like temperature and light, converting them into digital or analog signals.
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Term: Actuators
Definition: Devices that convert electrical signals into physical actions, such as moving or switching operations.
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Term: Interfacing
Definition: The method of connecting and communicating between sensors, actuators, and microcontrollers.
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Term: Microcontrollers
Definition: Integrated circuits that manage the operations of sensors and actuators and process data.