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2 cards from this section. Quick, good the night before a test.
What is the primary function of a sensor?
Think about how sensors help in gathering data.
Name one application of motion sensors.
They detect presence and can activate devices.
What do sensors do in an IoT system?
Think about what the sensors are primarily designed to do.
True or False? Actuators are considered the 'hands and feet' of an IoT system.
Consider the analogy of how sensors and actuators interact.
Design a simple IoT system using a temperature sensor and a relay to control a fan. Describe the components and code needed.
Consider the logic needed to connect the sensor output with the relay input.
How would you set up multiple sensors using the I2C method on a microcontroller? Outline the steps and components needed.
Think about wiring and how data needs to be read from each address.
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