9. Light Sensor Activated LED - RoboticSchools

Where is the light sensor located on the Microbit? 💡🔍

• Inside the USB connector 🔌

• On the back of the board 🔙

• Built into the 5x5 LED matrix 🔲

• Near Button A

What does the light sensor on the Microbit do? 💡👀

• Measures temperature 🌡️

• Detects sound 🔊

• Measures how bright or dark it is 💡

• Counts button presses 🎮

You want the LED to turn OFF when it’s bright. What should your code check for? 💡❌

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The Light Sensor Activated LED project is similar to which real-world application? 💡🌍

• Emergency siren system 🚨

• Automatic street light project 🛣️

• Digital thermometer 🌡️

• Voice-activated speaker 🔊

The Microbit shows a light level of 128 🌗. What is the full range of values this sensor can detect? 🔦📊

• 0 to 100

• 1 to 128

• 0 to 255

• 100 to 255

Look at the Microbit and the code blocks. Will the LED connected to pin P0 turn ON? 💡🤔

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In the Automatic Street Light Project 🌃💡, which code block will correctly turn ON the LED when it gets dark? 🌑

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What is the light level value when it’s completely dark? 🌑🔢

• 255

• 0

• 100

• 128

The Microbit shows a light level of 210. What does this mean? 📊☀️

• 🌑 It’s dark

• ☀️ It's extremely bright

• 🥶 It’s freezing cold

• 💡 The LED will glow dim

In the Automatic Street Light project, what type of device is the light sensor? 👀💡

• A glowing output device 📺

• An input device that sends info 📥

• A power booster 🔋

• A secret control button 🎮