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Tutorial: Arduino Lesson 9. Sensing Light

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Tutorial: Arduino Lesson 9. Sensing Light @ The Adafruit Learning System.

In this lesson, you will learn how to measure light intensity using an Analog Input. You will build on lesson 8 and use the level of light to control the number of LEDs to be lit. The photocell is at the bottom of the breadboard, where the pot was in lesson 8.

Learn more!


Previous lessons:
Arduino Lesson 8. Analog Inputs.
Arduino Lesson 7. Make an RGB LED Fader
Arduino Lesson 6. Digital Inputs
Arduino Lesson 5. The Serial Monitor
Arduino Lesson 4. Eight LEDs and a Shift Register
Arduino Lesson 3. RGB LEDs
Arduino Lesson 2. LEDs
Arduino Lesson 1. Blink

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