Lesson 7 of 20 · Blocks track

Sensor Combo 1 — The Security Alarm

🧩 Today's parts: 🟢 Sensors + 🟣 Actuators, working together for the first time
You will need: the board, the ultrasonic sensor, both LEDs, the buzzer
Before this lesson: Lessons 1–6, especially Lesson 5

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Lesson 1 is free. The next 19 need an activated Smart Car kit.

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