8. Case 07: Smart Lamps

8.1. Introduction

To make a smart lamp with the micro:bit.

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8.2. Quick Start

Materials Required

Nezha expansion board × 1

micro:bit × 1

LED-yellow × 1

Light sensor × 1

RJ11 wires × 2

Bricks details

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Connection Diagram

  • Connect the light sensor to J1and yellow LED to J2 on the Nezha expansion board as the picture shows.

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Assembly

Build a device as the picture shows:

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Video reference: https://youtu.be/8_1d_F33y_4

8.3. MakeCode Programming

Step 1

Click “Advanced” in the MakeCode to see more choices.

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For programming, we need to add a package: click “Extensions” at the bottom of the MakeCode drawer and search with “PlanetX” in the dialogue box to download it.

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Notice: If you met a tip indicating that some codebases would be deleted due to incompatibility, you may continue as the tips say or create a new project in the menu.

Step 2

Code as below:

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Reference

Link：https://makecode.microbit.org/_Uoic5Ti2fT4y

You may also download it directly below:

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Result

  • The LED lamps light on/off according to the light intensity.