34 lines
952 B
C++
34 lines
952 B
C++
//Import the needed FastLED library
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#include <FastLED.h>
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//These variables allow you to specify how the strip will behave
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#define NUM_LEDS 12 //This number decides how many of the strip's LEDs the code will use
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const int ledLength = 1; //This number decides how many LEDs will be turned on at once
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//Define and initiate global variables
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CRGB leds[NUM_LEDS];
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#define DATA_PIN 16
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int sensorPin = 7;
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int ledValue;
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int sensorValue;
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void setup() {
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// initiate the LED strip
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FastLED.addLeds<WS2811, DATA_PIN>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
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}
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void loop() {
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//Read value from any sensor
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sensorValue = analogRead(sensorPin);
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//Using the map function, we can take any sesor input and align it to a location on the LED strip
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ledValue = map(sensorValue, 1023, 0, 0, NUM_LEDS);
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//Clear previous configuration
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FastLED.clear();
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//Set and turn on desired LED
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leds[ledValue] = CRGB::White;
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FastLED.show();
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}
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