Case 07: Auto Lamps

Introduction

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• The auto lamps are able to turn on when the night is approaching and to turn off while the daylight comes.

Function

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• Detect the light level with the light sensor on micro:bit, if the light level is too low, program to turn on the lamps; or to turn off the lamps.

Products Link

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• 1 x microbit Smart City Kit

Picture

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Hardware Connection

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Connect the yellow LED to P1 port on IoT:bit.

Software Program

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Click "Advanced" in the MakeCode drawer to see more choices.

For programming, we need to add a package: click "Extensions" at the bottom of the MakeCode drawer and search with "iot-environment-kit" in the dialogue box to download it.

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.

Program

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Detect if the light level is below 100.

If yes, set to light on the LED; or light off it.

Link: https://makecode.microbit.org/_RJV5CuH4i1f9

Result

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• If the light level is too low, program to turn on the LED automatically; or to turn off it.