commit 7bbc49a765016ff09311c6ebe0d588ca7def3e2b
Author: pi-ux-ce <pierre@geeraert.eu>
Date:   Mon Dec 1 11:33:41 2025 +0000

    adding code from gemini AI
    
    Create a code to blonk the IP address if prompted for it and display 99 when the wifi is connected

diff --git a/ESP32-wifi-morse b/ESP32-wifi-morse
new file mode 100644
index 0000000..8cf9536
--- /dev/null
+++ b/ESP32-wifi-morse
@@ -0,0 +1,137 @@
+#include <WiFi.h>
+
+// --- Configuration ---
+const char* ssid = "YOUR_SSID";         // Your WiFi network SSID
+const char* password = "YOUR_PASSWORD"; // Your WiFi network password
+const int LED_PIN = 15;                 // GPIO pin for the LED
+const int BUTTON_PIN = 4;               // GPIO pin for the button
+const int DOT_DURATION = 200;           // Duration of a Morse code dot in milliseconds
+
+// Morse code map for numbers 0-9 and the dot character '.'
+// The index in the array corresponds to the digit (0-9).
+const char* morseCodes[] = {
+  "-----", // 0
+  ".----", // 1
+  "..---", // 2
+  "...--", // 3
+  "....-", // 4
+  ".....", // 5
+  "-....", // 6
+  "--...", // 7
+  "---..", // 8
+  "----.", // 9
+  ".-.-.-" // . (period)
+};
+
+// --- Variables ---
+IPAddress privateIP;
+bool buttonPressed = false;
+
+// Function prototypes
+void blinkMorse(char character);
+void blinkDot();
+void blinkDash();
+void checkButton();
+void signalWifiConnected();
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(LED_PIN, OUTPUT);
+  // Use internal pull-up resistor for the button pin
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
+
+  Serial.println("\nConnecting to WiFi...");
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    digitalWrite(LED_PIN, HIGH); // Quick blink while trying to connect
+    delay(100);
+    digitalWrite(LED_PIN, LOW);
+    delay(400);
+    Serial.print(".");
+  }
+
+  Serial.println("\nWiFi connected.");
+  privateIP = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(privateIP);
+
+  // Call the new function to signal successful connection
+  signalWifiConnected();
+}
+
+void loop() {
+  checkButton();
+
+  if (buttonPressed) {
+    Serial.println("Button pressed. Blinking IP in Morse Code: " + privateIP.toString());
+    String ipStr = privateIP.toString();
+
+    for (int i = 0; i < ipStr.length(); i++) {
+      blinkMorse(ipStr[i]);
+      delay(DOT_DURATION * 3); // Gap between characters (3 units)
+    }
+    
+    buttonPressed = false; // Reset the flag after blinking
+    Serial.println("Morse code sequence complete. Waiting for button press.");
+    delay(DOT_DURATION * 7); // Gap between words/sequences (7 units)
+  }
+}
+
+// Function to blink the digit '9' twice when WiFi connects
+void signalWifiConnected() {
+  // '9' in Morse is "----."
+  for (int j = 0; j < 2; j++) {
+    blinkMorse('9'); 
+    // Short pause between the two '9' signals
+    delay(DOT_DURATION * 5); 
+  }
+  Serial.println("WiFi connection signal complete (9 twice).");
+}
+
+
+void checkButton() {
+  // Read the state of the button. It's LOW when pressed due to pull-up resistor.
+  if (digitalRead(BUTTON_PIN) == LOW) {
+    // Debounce delay
+    delay(50); 
+    if (digitalRead(BUTTON_PIN) == LOW) {
+      buttonPressed = true;
+      // Wait until the button is released to prevent multiple triggers
+      while(digitalRead(BUTTON_PIN) == LOW); 
+    }
+  }
+}
+
+void blinkMorse(char character) {
+  int index = -1;
+  if (character >= '0' && character <= '9') {
+    index = character - '0';
+  } else if (character == '.') {
+    index = 10; // Index for the period in the morseCodes array
+  } else {
+    return; // Ignore other characters
+  }
+
+  const char* morse = morseCodes[index];
+  for (int i = 0; i < strlen(morse); i++) {
+    if (morse[i] == '.') {
+      blinkDot();
+    } else {
+      blinkDash();
+    }
+    delay(DOT_DURATION); // Gap between dots and dashes in a character (1 unit)
+  }
+}
+
+void blinkDot() {
+  digitalWrite(LED_PIN, HIGH);
+  delay(DOT_DURATION); // Dot duration (1 unit)
+  digitalWrite(LED_PIN, LOW);
+}
+
+void blinkDash() {
+  digitalWrite(LED_PIN, HIGH);
+  delay(DOT_DURATION * 3); // Dash duration (3 units)
+  digitalWrite(LED_PIN, LOW);
+}