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trabalho-iot.ino
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trabalho-iot.ino
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#include <Adafruit_SSD1306.h>
#include <ESP8266WiFi.h>
#include <Servo.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
Servo motor;
const char* ssid = "ESTACIO-VISITANTES";
const char* password = "estacio@2014";
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", -3 * 3600, 60000);
WiFiServer server(80);
int servoAngle = 0;
int targetHour = 0;
int targetMinute = 0;
bool motorActivated = false;
const int initialAngle = 45; // Ângulo inicial do servo motor
const int executionAngle = 90; // Ângulo durante a execução
void setup() {
Serial.begin(115200);
motor.attach(D3);
motor.write(initialAngle);
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("PET FEEDER");
display.display();
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi");
server.begin();
timeClient.begin();
display.clearDisplay();
display.setCursor(0, 0);
display.println("PET FEEDER");
display.setCursor(0, 20);
display.println("Conectado ao WiFi");
display.setCursor(0, 40);
display.print("IP: ");
display.setTextSize(1);
display.println(WiFi.localIP());
display.display();
delay(3000);
}
void loop() {
motor.write(initialAngle);
timeClient.update();
WiFiClient client = server.available();
if (client) {
String request = client.readStringUntil('\r');
Serial.println(request);
client.flush();
if (request.indexOf("/horario") != -1) {
int index = request.indexOf("?hora=");
if (index != -1) {
int index2 = request.indexOf("&", index);
if (index2 != -1) {
String horaStr = request.substring(index + 6, index2);
int hora = horaStr.toInt();
int minuto = request.substring(index2 + 8).toInt();
if (hora >= 0 && hora <= 23 && minuto >= 0 && minuto <= 59) {
targetHour = hora;
targetMinute = minuto;
motorActivated = true;
Serial.print("Motor servo ativado para ");
Serial.print(targetHour);
Serial.print(":");
Serial.println(targetMinute);
}
}
}
}
client.println("<html lang=\"pt-br\"><head>");
client.println("<title>PET FEEDER</title>");
client.println("<meta charset=\"UTF-8\">");
client.println("<style>");
client.println("body { font-family: Arial, sans-serif; background-color: #000000; }");
client.println(".container { width: 400px; margin: 50px auto; background-color: #FFFFFF; border-radius: 10px; padding: 20px; }");
client.println(".title { background-color: #006400; color: #FFFFFF; padding: 10px; font-size: 20px; text-align: center; border-radius: 10px 10px 0 0; }");
client.println(".description { padding: 20px; margin-bottom: 40px; font-style: italic; color: #006400; }");
client.println(".time-input { display: flex; justify-content: center; align-items: center; }");
client.println(".time-input label { color: #FFFFFF; font-weight: bold; margin-right: 10px; }");
client.println(".time-input input[type='number'] { width: 45%; padding: 10px; margin-bottom: 10px; border-radius: 5px; }");
client.println("input[type='submit'] { width: 100%; padding: 10px; margin-top: 10px; background-color: #006400; color: #FFFFFF; border: none; border-radius: 5px; cursor: pointer; }");
client.println(".dog-icon { font-size: 24px; }");
client.println(".alert { background-color: #FF0000; color: #FFFFFF; padding: 10px; text-align: center; border-radius: 5px; }");
client.println("</style>");
client.println("</head><body>");
client.println("<div class='container'>");
client.println("<div class='title'>Alimentador Automático <span class='dog-icon'>.</span></div>");
client.println("<div class='description'>O melhor alimentador para seu pet!</div>");
client.println("<form action='/horario' method='get'>");
client.println("<div class='time-input'>");
client.println("<label for='hora' style='color: #FFFFFF;'>Hora:</label>");
client.print("<input type='number' name='hora' placeholder='00' min='0' max='23' value='");
client.print(targetHour);
client.print("' required>");
client.println("<label for='minuto' style='color: #FFFFFF;'>Minutos:</label>");
client.print("<input type='number' name='minuto' placeholder='00' min='0' max='59' value='");
client.print(targetMinute);
client.print("' required>");
client.println("</div>");
client.println("<br>");
client.println("<input type='submit' value='Adicionar Horário' style='margin-top: 20px;'>");
client.println("</form>");
client.println("</div>");
client.println("</body></html>");
delay(10);
client.stop();
Serial.println("Client disconnected");
}
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0, 0);
display.println("PET FEEDER");
display.setTextSize(2);
display.setCursor(0, 18);
display.print(formatDigits(timeClient.getHours()));
display.print(":");
display.print(formatDigits(timeClient.getMinutes()));
display.print(":");
display.println(formatDigits(timeClient.getSeconds()));
// Exibir horário definido pelo usuário
display.setTextSize(1);
display.setCursor(0, 40);
display.print("Hora definida: ");
display.print(formatDigits(targetHour));
display.print(":");
display.print(formatDigits(targetMinute));
display.setCursor(0, 54);
display.print("IP: ");
display.println(WiFi.localIP());
display.display();
if (motorActivated && timeClient.getHours() == targetHour && timeClient.getMinutes() == targetMinute) {
motor.write(executionAngle); // Movimenta para o ângulo de execução
motorActivated = false;
delay(3000); // Mantém na posição por 2 segundos
motor.write(initialAngle); // Volta para a posição inicial
delay(3000); // Aguarda 3 segundos antes de iniciar novamente
}
}
String formatDigits(int digits) {
if (digits < 10) {
return "0" + String(digits);
}
return String(digits);
}