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OROLOGIO CON WS2812
Per realizzare questo semplice progetto userò un Arduino Uno (va bene anche un Nano), un modulo RTC e 4 semicerchi da 90° di led WS2812.
// Scritto da Giuseppe Tamanini 17/04/2020 di pubblico dominio
#include <Wire.h>
#include "RTClib.h"
#include <WS2812.h>
RTC_DS1307 rtc;
#define outputPin 8 // Digital output pin command WS2812
#define LEDCount 60 // Number of LEDs WS2812
WS2812 LED(LEDCount);
cRGB value;
byte holdminute=99;
byte holdsecond=99;
int hh = 0;
int hho = 0;
int oldhh = - 99;
int mm=0;;
int ss=0;
boolean mh=true;
void setup() {
Serial.begin(9600);
LED.setOutput(outputPin);
if (! rtc.begin()) {
Serial.println("Couldn't find RTC");
while (1);
}
if (! rtc.isrunning()) {
Serial.println("RTC is NOT running!");
}
}
void loop() {
// put your main code here, to run repeatedly:
DateTime now = rtc.now();
ss = now.second();
if (holdsecond != ss) {
mm = now.minute();
hh = now.hour();
hho = hh;
if (hh > 11) {
hho = hh - 12;
}
hho = hho * 5 + mm / 12;
holdsecond = ss;
AccendiLed();
}
}
void AccendiLed() {
for (int i = 0; i < 60; i++) {
value.b = 5; value.g = 5; value.r =0; // RGB Value -> Blue
LED.set_crgb_at(i, value); // Set value at LED found at index 0
}
value.b = 0; value.g = 127; value.r =255; // RGB Value -> Blue
LED.set_crgb_at(mm, value); // Set value at LED found at index 0
value.b = 0; value.g = 0; value.r =255; // RGB Value -> Blue
LED.set_crgb_at(hho, value); // Set value at LED found at index 0
if (mm == hho && mh == true) {
value.b = 0; value.g = 255; value.r =0; // RGB Value -> Blue
LED.set_crgb_at(mm, value); // Set value at LED found at index 0
mh = false;
}
else if (mm == hho && mh == false) {
mh = true;
}
value.b = 127; value.g = 127; value.r = 0; // RGB Value -> Blue
LED.set_crgb_at(ss, value); // Set value at LED found at index 0
if (ss == hho) {
value.b = 127; value.g = 0; value.r =127; // RGB Value -> Blue
LED.set_crgb_at(ss, value); // Set value at LED found at index 0
}
if (ss == mm) {
value.b = 0; value.g = 127; value.r =127; // RGB Value -> Blue
LED.set_crgb_at(mm, value); // Set value at LED found at index 0
}
LED.sync(); // Sends the value to the LED
}
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