LED时钟

【代码】#include <Adafruit_NeoPixel.h>#include <Wire.h>#include <DS1307.h>#ifdef AVR#include <avr/power.h>#endif//store the current time dataint rtc[7];#define PIN3 10#define PIN4 9#define PIN5 8int r, g, b;// Parameter 1 = number of pixels in round3// Parameter 2 = Arduino pin number (most are valid)// Parameter 3 = pixel type flags, add together as needed:// NEO_KHZ800800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)// NEO_KHZ400400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)Adafruit_NeoPixel round3 = Adafruit_NeoPixel(12, PIN3, NEO_GRB + NEO_KHZ800);Adafruit_NeoPixel round4 = Adafruit_NeoPixel(16, PIN4, NEO_GRB + NEO_KHZ800);Adafruit_NeoPixel round5 = Adafruit_NeoPixel(24, PIN5, NEO_GRB + NEO_KHZ800);void setup() {//get current timeRTC.get(rtc, true);RTC.SetOutput(DS1307_SQW32KHZ);round3.begin();round4.begin();round5.begin();// This initializes the NeoPixel library.Serial.begin(9600);}void loop() { //get current time int ten, unit, minutes, hours; RTC.get(rtc, true); //print current time format : sec min hour week day month year for (int i = 0; i < 7; i++) { Serial.print(rtc[i]); Serial.print(" "); minutes = rtc[1]; hours = rtc[2]; } unit = minutes%10; ten = int(minutes/10); if (hours >= 12) { hours = hours-12; }else{ hours = rtc[2]; } //minute round4.setPixelColor(ten, round4.Color(30,210,130)); round4.setPixelColor(unit+6, round4.Color(30,150,200)); round4.show(); for (int i = 0; i < 6; i++) { round4.setPixelColor(i, round4.Color(1,12,8)); } for (int i = 6; i < 16; i++) { round4.setPixelColor(i, round4.Color(1,9,12)); } //hour round3.setPixelColor(hours, round3.Color(150,142,39)); round3.show(); for (int i = 0; i < 12; i++) { round3.setPixelColor(i, round3.Color(14,11,3)); } //blink r = random(1,7); g = random(1,7); b = random(1,7); for (int i = 0; i < 24; i++){ round5.setPixelColor(i, round5.Color(r,g,b)); // random color } round5.show(); delay(500); for (int i = 0; i < 24; i++){ round5.setPixelColor(i, round5.Color(0,0,0)); } round5.show(); delay(500);}复制代码