p2

docs/images/imagW14/Sender/Sender.ino

+#include <Wire.h>
+
+#define LED_PIN 25
+
+void setup() {
+   Serial.println("I am ready!");
+   pinMode(LED_PIN, OUTPUT);
+  Wire.begin(0x40);
+  Wire.onReceive(receiveEvent);
+  Serial.begin(9600);
+ 
+}
+
+void loop() {}
+
+void receiveEvent(int numBytes) {
+  while (Wire.available()) {
+    int num = Wire.read();
+    Serial.print("Received number: ");
+    Serial.println(num);
+    flashLED(num);
+  }
+}
+
+void flashLED(int num) {
+  for (int i = 0; i < num; i++) {
+    digitalWrite(LED_PIN, HIGH);
+    delay(500);
+    digitalWrite(LED_PIN, LOW);
+    delay(500);
+  }
+}

docs/images/imagW14/recevier/recevier.ino

+#include <Wire.h>
+
+
+void setup() {
+  pinMode(LED_BUILTIN, OUTPUT);
+
+  Wire.begin(0x40); // Set I2C address to 0x40
+  Wire.onReceive(receiveEvent);
+  Serial.begin(9600); // Start serial communication
+}
+
+void loop() {}
+
+void receiveEvent(int numBytes) {
+  int num = 0;
+  while (Wire.available()) {
+    num = Wire.read();
+  }
+  flashLED(num);
+
+  // Print the received number to the Serial Monitor
+  Serial.print("Received number: ");
+  Serial.println(num);
+}
+
+void flashLED(int num) {
+  for (int i = 0; i < num; i++) {
+    digitalWrite(LED_BUILTIN, HIGH);
+    delay(100);
+    digitalWrite(LED_BUILTIN, LOW);
+    delay(100);
+  }
+}