the code didnt work so i created example sender and receiver code

espnow example/espnow_receiver_code/espnow_receiver_code.ino

@@ -0,0 +1,58 @@
+#include <esp_now.h>
+#include <WiFi.h>
+
+// Structure example to receive data
+// Must match the sender structure
+typedef struct struct_message {
+    int x;
+    int y;
+    bool b;
+} struct_message;
+
+// Create a struct_message called myData
+struct_message myData;
+
+// Callback function that will be executed when data is received
+void OnDataRecv(const esp_now_recv_info_t *esp_now_info, const uint8_t *incomingData, int len) {
+  // Copy incoming data into the myData structure
+  memcpy(&myData, incomingData, sizeof(myData));
+
+  // Print the MAC address of the sender
+  // Serial.print("Received from MAC: ");
+  // for (int i = 0; i < 6; i++) {
+  //   Serial.printf("%02X", esp_now_info->src_addr[i]);
+  //   if (i < 5) Serial.print(":");
+  // }
+  // Serial.println();
+
+  // Print received data
+  // Serial.print("x: ");
+  Serial.print(myData.x);
+  Serial.print(" ");
+  Serial.print(myData.y);
+  Serial.print(" ");
+  Serial.println(myData.b);
+}
+ 
+void setup() {
+  // Initialize Serial Monitor
+  Serial.begin(115200);
+  
+  // Set device as a Wi-Fi Station
+  WiFi.mode(WIFI_STA);
+
+  // Initialize ESP-NOW
+  if (esp_now_init() != ESP_OK) {
+    Serial.println("Error initializing ESP-NOW");
+    return;
+  }
+  
+  // Register callback function to receive data
+  esp_now_register_recv_cb(OnDataRecv);
+
+  Serial.println("Receiver ready. Waiting for data...");
+}
+ 
+void loop() {
+  // Nothing to do here
+}

espnow example/espnow_sender_code/espnow_sender_code.ino

@@ -0,0 +1,82 @@
+#include <esp_now.h>
+#include <WiFi.h>
+
+// REPLACE WITH THE MAC Address of your receiver - 1C:69:20:E9:13:EC
+uint8_t broadcastAddress[] = {0x1C, 0x69, 0x20, 0xE9, 0x13, 0xEC}; // Replace with actual receiver MAC address
+
+// Define variables to be sent
+typedef struct struct_message {
+    int x;
+    int y;
+    bool b;
+} struct_message;
+
+// Create a struct_message called myData
+struct_message myData;
+
+// Callback when data is sent
+void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
+  // Serial.print("Last Packet Send Status: ");
+  // Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success" : "Delivery Fail");
+}
+ 
+void setup() {
+
+  // Initialize Serial Monitor
+  Serial.begin(115200);
+
+  pinMode(34, INPUT_PULLUP);
+ 
+  // Set device as a Wi-Fi Station
+  WiFi.mode(WIFI_STA);
+
+  // Initialize ESP-NOW
+  if (esp_now_init() != ESP_OK) {
+    Serial.println("Error initializing ESP-NOW");
+    return;
+  }
+
+  // Register callback function to get the status of transmitted packets
+  esp_now_register_send_cb(OnDataSent);
+  
+  // Register peer information (receiver)
+  esp_now_peer_info_t peerInfo;
+  
+  memcpy(peerInfo.peer_addr, broadcastAddress, sizeof(broadcastAddress));
+  peerInfo.channel = 0;  
+  peerInfo.encrypt = false;
+
+  // Add peer        
+  if (esp_now_add_peer(&peerInfo) != ESP_OK) {
+    Serial.println("Failed to add peer");
+    return;
+  }
+
+  Serial.println("Sender ready. Sending data...");
+}
+ 
+void loop() {
+  
+  // Set values to send (example: read analog pins and digital pin)
+  myData.x = map(analogRead(32), 0, 4095, -100, +100); // Map analog value from pin GPIO32
+  myData.y = map(analogRead(33), 0, 4095, -100, +100); // Map analog value from pin GPIO33
+  myData.b = !digitalRead(34);                        // Read digital value from pin GPIO34
+
+  // Send message via ESP-NOW
+  esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
+   
+  if (result == ESP_OK) {
+    // Serial.print("Sent successfully -> ");
+    // Serial.print("x: ");
+    Serial.print(myData.x);
+    Serial.print(" ");
+    Serial.print(myData.y);
+    Serial.print(" ");
+    Serial.println(myData.b);
+    
+   } else {
+     Serial.println("Error sending the data");
+   }
+
+   delay(20); // Small delay between sends to avoid flooding the network
+}