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- #include <Adafruit_NeoPixel.h>
- #define LED_PIN 18
- #define LED_COUNT 2
- Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
- #include <WiFi.h>
- #include <Servo.h>
- Servo myservo;
- Servo myservo2;
- // GPIO the servo is attached to
- static const int servoPin = 13;
- // Replace with your network credentials
- const char* ssid = "ssid network";
- const char* password = "ssid password";
- // Set web server port number to 80
- WiFiServer server(80);
- // Variable to store the HTTP request
- String header;
- unsigned long lastTimer = 0;
- unsigned long lastTimer2 = 0;
- // Decode HTTP GET value
- String valueString = String(5);
- int pos1 = 0;
- int pos2 = 0;
- // Current time
- unsigned long currentTime = millis();
- // Previous time
- unsigned long previousTime = 0;
- // Define timeout time in milliseconds (example: 2000ms = 2s)
- const long timeoutTime = 2000;
- int pos = 90;
- void setup() {
- Serial.begin(115200);
- pinMode(0, OUTPUT);
- pinMode(1, OUTPUT);
- pinMode(2, OUTPUT);
- pinMode(3, OUTPUT);
- pinMode(4, OUTPUT);
- pinMode(5, OUTPUT);
- pinMode(6, OUTPUT);
- pinMode(7, OUTPUT);
- pinMode(16, OUTPUT);
- pinMode(17, OUTPUT);
- pinMode(26, OUTPUT);
- pinMode(27, OUTPUT);
- strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
- strip.show(); // Turn OFF all pixels ASAP
- strip.setBrightness(50); // Set BRIGHTNESS to about 1/5 (max = 255)
- myservo.attach(15);
- myservo2.attach(14);
- // Connect to Wi-Fi network with SSID and password
- Serial.print("Connecting to ");
- Serial.println(ssid);
- WiFi.begin(ssid, password);
- while (WiFi.status() != WL_CONNECTED) {
- delay(500);
- Serial.print(".");
- }
- // Print local IP address and start web server
- Serial.println("");
- Serial.println("WiFi connected.");
- Serial.println("IP address: ");
- Serial.println(WiFi.localIP());
- server.begin();
- }
- void loop() {
- WiFiClient client = server.available(); // Listen for incoming clients
- int tt = 50;
- int color = map(pos, 0, 180, 0, 255);
- if ( pos < 20 ) {
- //left signal
- strip.setPixelColor(0, strip.Color(255, 0, 0));
- strip.setPixelColor(1, strip.Color(0, 0, 0));
- digitalWrite(26, HIGH);
- delay(tt);
- digitalWrite(6, HIGH);
- digitalWrite(26, LOW);
- delay(tt);
- digitalWrite(17, HIGH);
- digitalWrite(6, LOW);
- delay(tt);
- digitalWrite(16, HIGH);
- digitalWrite(17, LOW);
- delay(tt);
- digitalWrite(5, HIGH);
- digitalWrite(16, LOW);
- delay(tt);
- digitalWrite(4, HIGH);
- digitalWrite(5, LOW);
- delay(tt);
- digitalWrite(3, HIGH);
- digitalWrite(4, LOW);
- delay(tt);
- digitalWrite(2, HIGH);
- digitalWrite(3, LOW);
- delay(tt);
- digitalWrite(2, LOW);
- delay(tt);
- } else if ( pos > 160 ) {
- // right signal
- strip.setPixelColor(0, strip.Color(0, 0, 0));
- strip.setPixelColor(1, strip.Color(0, 255, 0));
- digitalWrite(2, HIGH);
- delay(tt);
- digitalWrite(3, HIGH);
- digitalWrite(2, LOW);
- delay(tt);
- digitalWrite(4, HIGH);
- digitalWrite(3, LOW);
- delay(tt);
- digitalWrite(5, HIGH);
- digitalWrite(4, LOW);
- delay(tt);
- digitalWrite(16, HIGH);
- digitalWrite(5, LOW);
- delay(tt);
- digitalWrite(17, HIGH);
- digitalWrite(16, LOW);
- delay(tt);
- digitalWrite(6, HIGH);
- digitalWrite(17, LOW);
- delay(tt);
- digitalWrite(26, HIGH);
- digitalWrite(6, LOW);
- delay(tt);
- digitalWrite(26, LOW);
- delay(tt);
- } else {
- strip.setPixelColor(0, strip.Color(0, 0, 0));
- strip.setPixelColor(1, strip.Color(0, 0, 0));
- }
- strip.show();
- if (client) { // If a new client connects,
- currentTime = millis();
- previousTime = currentTime;
- Serial.println("New Client."); // print a message out in the serial port
- String currentLine = ""; // make a String to hold incoming data from the client
- while (client.connected() && currentTime - previousTime <= timeoutTime) { // loop while the client's connected
- currentTime = millis();
- if (client.available()) { // if there's bytes to read from the client,
- char c = client.read(); // read a byte, then
- Serial.write(c); // print it out the serial monitor
- header += c;
- if (c == '\n') { // if the byte is a newline character
- // if the current line is blank, you got two newline characters in a row.
- // that's the end of the client HTTP request, so send a response:
- if (currentLine.length() == 0) {
- // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
- // and a content-type so the client knows what's coming, then a blank line:
- client.println("HTTP/1.1 200 OK");
- client.println("Content-type:text/html");
- client.println("Connection: close");
- client.println();
- // Display the HTML web page
- client.println("<!DOCTYPE html><html>");
- client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
- client.println("<link rel=\"icon\" href=\"data:,\">");
- // CSS to style the on/off buttons
- // Feel free to change the background-color and font-size attributes to fit your preferences
- client.println("<style>body { text-align: center; font-family: \"Trebuchet MS\", Arial; margin-left:auto; margin-right:auto;}");
- client.println(".slider { width: 300px; }</style>");
- client.println("<script src=\"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js\"></script>");
- // Web Page
- client.println("</head><body><h1>Cytron ROBO PICO with Servo</h1>");
- client.println("<p>Position: <span id=\"servoPos\"></span></p>");
- client.println("<input type=\"range\" min=\"0\" max=\"180\" class=\"slider\" id=\"servoSlider\" onchange=\"servo(this.value)\" value=\"" + valueString + "\"/><P>");
- client.println("<script>");
- client.println("var slider = document.getElementById(\"servoSlider\");");
- client.println("var servoP = document.getElementById(\"servoPos\"); servoP.innerHTML = slider.value;");
- client.println("slider.oninput = function() { slider.value = this.value; servoP.innerHTML = this.value; }");
- client.println("$.ajaxSetup({timeout:1000}); function servo(pos) { ");
- client.println("$.get(\"/?value=\" + pos + \"&\"); {Connection: close};}");
- client.println("</script>");
- client.println("</body></html>");
- //GET /?value=180& HTTP/1.1
- if (header.indexOf("GET /?value=") >= 0) {
- pos1 = header.indexOf('=');
- pos2 = header.indexOf('&');
- valueString = header.substring(pos1 + 1, pos2);
- // Save pos for LED use
- pos = valueString.toInt();
- //Rotate the servo
- myservo.write(valueString.toInt());
- myservo2.write(valueString.toInt());
- Serial.println(valueString);
- }
- // The HTTP response ends with another blank line
- client.println();
- // Break out of the while loop
- break;
- } else { // if you got a newline, then clear currentLine
- currentLine = "";
- }
- } else if (c != '\r') { // if you got anything else but a carriage return character,
- currentLine += c; // add it to the end of the currentLine
- }
- }
- }
- // Clear the header variable
- header = "";
- // Close the connection
- client.stop();
- Serial.println("Client disconnected.");
- Serial.println("");
- }
- }
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