Percobaan V
Arduino Uno I2C
1. Foto Hardware dan Diagram Blok [Kembali]
Hardware :
Diagram Blok:
2. Prosedur Percobaan [Kembali]
+ Rangkai semua komponen
+ buat program di aplikasi arduino IDE
+ setelah selesai masukkan program ke arduino
+ jalankan program pada simulasi dan cobakan dengan modul
4. Flowchart dan Listing Program [Kembali]
Flowchart :
Listing Program:
MASTER
#include <Wire.h>
#define SLAVE_ADDRESS 9 // Slave Arduino address
#define BUTTON1 2 // Pin for the push button
#define BUTTON2 3
int buttonState1 = 0;
int buttonState2 = 0;
int buttonPrevState1 = 0;
int buttonPrevState2 = 0;
unsigned int counter = 0;
unsigned int count = 0;
void setup() {
Wire.begin(); // Initialize I2C communication
pinMode(BUTTON1, INPUT_PULLUP); // Set button pin as input with internal pull-up resistor
pinMode(BUTTON2, INPUT_PULLUP);
Serial.begin(9600); // Initialize serial communication for debugging
}
void loop() {
buttonState1 = digitalRead(BUTTON1);
buttonState2 = digitalRead(BUTTON2);
if (buttonState2 != buttonPrevState2){
if(buttonState2 == LOW){
count++;
}
delay(50);
}
buttonPrevState2 = buttonState2;
if(count > 3){
count = 0;
}
if(count % 2 == 0){
if (buttonState1 != buttonPrevState1) {
if (buttonState1 == LOW) {
// Button is pressed
counter++;
Wire.beginTransmission(SLAVE_ADDRESS);
Wire.write(counter); // Send command to the slave
Wire.endTransmission();
}
delay(50); // Debouncing delay
}
buttonPrevState1 = buttonState1;
if(counter > 3){
counter = 0;
}
}else if(count % 3 == 0){
Wire.endTransmission();
}
Serial.print(count); Serial.println(counter);
}
SLAVE
#include <Wire.h>
#define LED_COUNT 8
#define LED_PIN_START 2 // Start pin for the LEDs
void setup() {
Serial.begin(9600);
Wire.begin(9); // Initialize I2C communication as Slave with address 9
Wire.onReceive(receiveEvent); // Register event for receiving data
for (int i = LED_PIN_START; i < LED_PIN_START + LED_COUNT; i++) {
pinMode(i, OUTPUT); // Set LED pins as output
}
}
void loop() {
// Nothing to do here, all actions are performed in the receiveEvent function
}
void receiveEvent(int numBytes) {
unsigned int command = Wire.read(); // Read incoming command from master
Serial.println(command);
delay(500);
if (command == 1) {
// Turn all LEDs ON
for (int i = LED_PIN_START; i < LED_PIN_START + LED_COUNT; i++) {
digitalWrite(i, HIGH);
}
} else if (command == 2) {
// Turn all LEDs OFF
for (int i = LED_PIN_START; i < LED_PIN_START + LED_COUNT; i++) {
digitalWrite(i, LOW);
}
} else if (command == 3) {
// Blink all LEDs
for (int j = 0; j < 5; j++) { // Repeat the blinking 5 times
for (int i = LED_PIN_START; i < LED_PIN_START + LED_COUNT; i++) {
digitalWrite(i, HIGH);
delay(1000);
}
delay(500); // Delay for ON state
for (int i = LED_PIN_START; i < LED_PIN_START + LED_COUNT; i++) {
digitalWrite(i, LOW);
delay(1000);
}
delay(500); // Delay for OFF state
}
}
}
5. Video Demo [Kembali]
Push button melakukan aktivasi dan variasi kondisi yang dilakukan pada Master untuk kemudian mengirimkan perintah menuju slave
᭒ HTML↠ klik disini
᭒ Listing Program↠ klik disini
᭒ Video Percobaan↠ klik disini
