Case 01: Automated Smart Playground Lamp
Level：★☆☆☆☆
Motion sensor is used to detect if there are people moving in the playground, if there are, the LED light will be turned on; otherwise, it will be turned off.
Goal
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Create an automated smart playground lamp using motion sensor
Materials
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micro:bit X1
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Smarthon iot:bit X1
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LED Light X1
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Motion Sensor X1
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USB Cable X1
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Playground Cardboard Model X1
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Screws X2
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Nuts X2
Step 1
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Put together all the cardboard parts
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Attach the LED light to the top of the model
→
→
Step 2
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Connect Motion sensor to P0
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Connect LED light to P1
Motion Sensor
↓
↑
LED Light
Step 3
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Go to MakeCode page
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Click Advanced in the code block
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Click on Extensions
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Search https://github.com/SMARTHON/pxt-iot-bit and click “WiFi-IoT-bit”
Step 4
The motion sensor will constantly check the value of the motion sensor. If someone is moving (motion sensor value >= 700), the LED will light for 10 seconds.
Download code and transfer to micro:bit
Insert micro:bit into WiFi IoT expansion board
Well Done!
You have successfully built your very own smart lamp!
