- Actuator – A device that produces an action or output (e.g., buzzer, motor, LED).
- Buzzer – Converts electrical signals into sound. Two types:
- Active buzzer: Plays a tone when given power.
- Passive buzzer: Needs a specific frequency signal to produce sound.
- Feedback – The machine’s way of informing the user about its status.
- Sensor + Actuator – Work together to detect an event and trigger an alert.
Lesson 1: What is an Actuator?
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Lesson 2: Turn Signals into Motion
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Lesson 3: Timing and Control
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Lesson 4: Smart Alerts and Feedback
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Lesson 5: Automate with Purpose
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Lesson 6: Show Your Smart Machine
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