54 lines
1.0 KiB
C++
54 lines
1.0 KiB
C++
//code for a line clock
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#include <FastLED.h>
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#define NUM_LEDS 12
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#define DATA_PIN 4 // Change this to match your LED strip's data pin
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#define BRIGHTNESS 60
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CRGB leds[NUM_LEDS];
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uint8_t pos = 0;
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bool toggle = false;
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int hour=17;
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int minute=54;
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int second=0;
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void setup() {
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FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
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FastLED.setBrightness(BRIGHTNESS);
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}
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void loop() {
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uint8_t ledRed = (hour * NUM_LEDS) / 24;
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leds[ledRed] = CRGB::Red;
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uint8_t ledBlue =(minute * NUM_LEDS) / 60;
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leds[ledBlue] = CRGB::Blue;
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uint8_t ledGreen =(second * NUM_LEDS) / 60;
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leds[ledGreen] = CRGB::Green;
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FastLED.show();
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//compute next time
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second++;
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if( second == 60 ) {
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second=0;
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minute++;
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}
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if( minute ==60 ) {
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minute=0;
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hour = (hour++ ) % 24;
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}
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// clear this led for the next time around the loop
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leds[ledRed] = CRGB::Black;
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leds[ledBlue] = CRGB::Black;
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leds[ledGreen] = CRGB::Black;
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delay(1000);
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}
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