Things used in this project

Schematics

Wiring
Wiring i3uunejif2

Code

Normal code for controlling LED via webpageArduino
/* arduino web server - remote control (push button) */

#include "SPI.h"
#include "Phpoc.h"

#define STATE_YELLOW	'A'
#define STATE_GREEN		'B'
#define STATE_RED		'C'

#define PIN_LED_YELLOW 		3
#define PIN_LED_GREEN 		8
#define PIN_LED_RED			9

PhpocServer server(80);

char current_led = STATE_RED;
int pins[3] = {PIN_LED_YELLOW, PIN_LED_GREEN, PIN_LED_RED};

void handleEvent(char stt);

void setup(){
	Serial.begin(9600);
	while(!Serial)
		;

	Phpoc.begin(PF_LOG_SPI | PF_LOG_NET);
	//Phpoc.begin();

	server.beginWebSocket("remote_push");

	Serial.print("WebSocket server address : ");
	Serial.println(Phpoc.localIP());  
	
	pinMode(PIN_LED_YELLOW, OUTPUT);
	pinMode(PIN_LED_GREEN, OUTPUT);
	pinMode(PIN_LED_RED, OUTPUT);
	
	digitalWrite(PIN_LED_RED, HIGH);
	
}

void loop() {
	//Wait for a new client:
	PhpocClient client = server.available();

	if (client) {
		if (client.available() > 0) {
			//Read the bytes incoming from the client:
			char event = client.read();
			if(event == 'A' || event == 'B' || event == 'C')
				if(event != current_led)
					handleEvent(event);
		}
	}
}

void handleEvent(char event){
	
	for(int i = 0; i < 5; i++){
		digitalWrite(pins[current_led - 'A'], (i%2));
		delay(100);
	}
	//Turn on green led
	digitalWrite(pins[event - 'A'], HIGH);
	
	// update current state
	current_led = event;
}
Finite State Machine Code for controlling LED via webpageArduino
This code have the same functionality as normal code but using Finite State Machine model
/* arduino web server - remote control (push button) */

#include "SPI.h"
#include "Phpoc.h"

#define STATE_YELLOW	'A'
#define STATE_GREEN		'B'
#define STATE_RED		'C'

#define PIN_LED_YELLOW 		3
#define PIN_LED_GREEN 		8
#define PIN_LED_RED			9

PhpocServer server(80);

char fsm_state = STATE_RED;

void FSMEvent(char stt);

void setup(){
	Serial.begin(9600);
	while(!Serial)
		;

	Phpoc.begin(PF_LOG_SPI | PF_LOG_NET);
	//Phpoc.begin();

	server.beginWebSocket("remote_push");

	Serial.print("WebSocket server address : ");
	Serial.println(Phpoc.localIP());  
	
	pinMode(PIN_LED_YELLOW, OUTPUT);
	pinMode(PIN_LED_GREEN, OUTPUT);
	pinMode(PIN_LED_RED, OUTPUT);
	
	digitalWrite(PIN_LED_RED, HIGH);
}

void loop() {
	//Wait for a new client:
	PhpocClient client = server.available();

	if (client) {
		if (client.available() > 0) {
			//Read the bytes incoming from the client:
			char event = client.read();
			if(event == 'A' || event == 'B' || event == 'C')
				if(event != fsm_state)
					FSMEvent(event);
		}
	}
}

void FSMEvent(char event){
	
	//Action is taken based on current state and event
	switch(fsm_state){
		case STATE_YELLOW:
			
			if(event == STATE_GREEN){
				//Blink yellow led in a second and then turn off
				for(int i = 0; i < 5; i++){
					digitalWrite(PIN_LED_YELLOW, (i%2));
					delay(100);
				}
				//Turn on green led
				digitalWrite(PIN_LED_GREEN, HIGH);
			}
			else if(event == STATE_RED){
				//Blink yellow led in a second and then turn off
				for(int i = 0; i < 5; i++){
					digitalWrite(PIN_LED_YELLOW, (i%2));
					delay(100);
				}
				//Turn on red led
				digitalWrite(PIN_LED_RED, HIGH);
			}
			
			break;
			
		case STATE_GREEN:
			
			if(event == STATE_YELLOW){
				//Blink green led in a second and then turn off
				for(int i = 0; i < 5; i++){
					digitalWrite(PIN_LED_GREEN, (i%2));
					delay(100);
				}
				//Turn on yellow led
				digitalWrite(PIN_LED_YELLOW, HIGH);
			}
			else if(event == STATE_RED){
				//Blink green led in a second and then turn off
				for(int i = 0; i < 5; i++){
					digitalWrite(PIN_LED_GREEN, (i%2));
					delay(100);
				}
				//Turn on red led
				digitalWrite(PIN_LED_RED, HIGH);
			}
			
			break;
			
		case STATE_RED:
			
			if(event == STATE_YELLOW){
				//Blink red led in a second and then turn off
				for(int i = 0; i < 5; i++){
					digitalWrite(PIN_LED_RED, (i%2));
					delay(100);
				}
				//Turn on yellow led
				digitalWrite(PIN_LED_YELLOW, HIGH);
			}
			else if(event == STATE_GREEN){
				//Blink red led in a second and then turn off
				for(int i = 0; i < 5; i++){
					digitalWrite(PIN_LED_RED, (i%2));
					delay(100);
				}
				//Turn on green led
				digitalWrite(PIN_LED_GREEN, HIGH);
			}
			
			break;
	}
	
	// update current state
	fsm_state = event;
}

Credits

Replications

Did you replicate this project? Share it!

I made one

Love this project? Think it could be improved? Tell us what you think!

Give feedback

Comments

Similar projects you might like

PHPoc Blue to Control Door Knob by MQTT Protocol and Cortana
Intermediate
  • 122
  • 7

Programming a PHPoc Blue board to control a servo motor to rotate the knob of a door using MQTT Protocol through voice command.

Parking Lot IoT System
Intermediate
  • 103
  • 7

This is a parking lot IoT system.

PHPoC Drink Mixer and Dispenser
Intermediate
  • 278
  • 10

A drink mixer and dispenser that uses PHPoC Blue and mini water pumps.

Controlling IR Appliances by Schedule
Intermediate
  • 222
  • 8

This project helps you control your IR appliances by setting schedule.

Starry Night Prom
Intermediate
  • 2,490
  • 19

How did I stand out at prom? In a light up dress of course!

The Trump Button
Intermediate
  • 1,351
  • 9

Full instructions

The famous connected button to order your favorite drink using Sigfox network.

ProjectsCommunitiesTopicsContestsLiveAppsBetaFree StoreBlogAdd projectSign up / Login