Εισαγωγή
Αναβοσβήστε τα LED ξεχωριστά και ρυθμίστε τον χρόνο αλλαγής με δύο κουμπιά. Εκτυπώστε το χρόνο διαστήματος στην οθόνη LCD.
Τα υλικά που θα χρειαστούμε:
Θα χρησιμοποιήσουμε:
Συνδέσεις
LEDs και κουμπιά
- Arduino UNO pin 9 --> LED1
- Arduino UNO pin 10 --> LED2
- Arduino UNO pin 11 --> LED3
- Arduino UNO pin 8 --> Κουμπί 1
- Arduino UNO pin 12 --> Κουμπί 2
- Arduino UNO pin 3 --> CLK
- Arduino UNO pin 4 --> Din
- Arduino UNO pin 5 --> DC
- Arduino UNO pin 6 --> CE
- Arduino UNO pin 7 --> RST
Κώδικας
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/* * === Ardumotive Shield for Arduino UNO Board === * Arduino Tutorial: Blink LEDs - Control the changing interval with buttons * Dev Michalis Vasilakis/Date 24/3/2018/http://ardumotive.com */ #define pinLED1 9 #define pinLED2 10 #define pinLED3 11 #define bt1 8 #define bt2 12 #include <Adafruit_GFX.h> #include <Adafruit_PCD8544.h> Adafruit_PCD8544 display = Adafruit_PCD8544(3,4,5,6,7); unsigned long previousMillis = 0; float interval=0.5; //ms int select=1; void setup() { // Put your setup code here, to run once: // Define LED pins as outputs and buttons as INPUT_PULLUP: pinMode(pinLED1, OUTPUT); pinMode(pinLED2, OUTPUT); pinMode(pinLED3, OUTPUT); pinMode(bt1,INPUT_PULLUP); pinMode(bt2,INPUT_PULLUP); display.begin(); display.setContrast(50); display.clearDisplay(); // clears the screen and buffer } void loop() { // put your main code here, to run repeatedly: if (digitalRead(bt1)==0){ delay(250); interval = interval + 0.1; } if (digitalRead(bt2)==0){ delay(250); interval = interval - 0.1; } display.setTextSize(1); display.println("Interval:"); display.println(""); display.setTextSize(3); display.println(interval); display.display(); blinkAll(interval); //blinkSeparate(interval); display.clearDisplay(); // clears the screen and buffer } boolean flag=false; void blinkAll(float interval){ interval = interval * 1000; unsigned long currentMillis = millis(); if (currentMillis - previousMillis >= interval) { // save the last time you blinked the LED previousMillis = currentMillis; if (flag){ digitalWrite(pinLED1, HIGH); digitalWrite(pinLED2, HIGH); digitalWrite(pinLED3, HIGH); flag=false; } else{ digitalWrite(pinLED1, LOW); digitalWrite(pinLED2, LOW); digitalWrite(pinLED3, LOW); flag=true; } } } void blinkSeparate(float interval){ interval = interval * 1000; unsigned long currentMillis = millis(); if (currentMillis - previousMillis >= interval) { // save the last time you blinked the LED previousMillis = currentMillis; if (select==1){ digitalWrite(pinLED1, HIGH); digitalWrite(pinLED2, LOW); digitalWrite(pinLED3, LOW); select++; } else if (select==2){ digitalWrite(pinLED1, LOW); digitalWrite(pinLED2, HIGH); digitalWrite(pinLED3, LOW); select++; } else if (select==3){ digitalWrite(pinLED1, LOW); digitalWrite(pinLED2, LOW); digitalWrite(pinLED3, HIGH); select=1; } } } |
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Κατεβάστε τον κώδικα απ' εδώ και ανοίξτε το αρχείο με το Arduino IDE. Το αρχείο περιέχει και την βιβλιοθήκη που χρησιμοποιήσαμε.
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