First Commit

Blink/Blink.ino

@@ -0,0 +1,21 @@
+int buttonPin = D9;
+int Led = A4;
+int buttonState;
+// the setup function runs once when you press reset or power the board
+void setup() {
+  // initialize digital pin LED_BUILTIN as an output.
+  pinMode(Led, OUTPUT);
+  pinMode(buttonPin, INPUT);
+}
+
+// the loop function runs over and over again forever
+void loop() {
+  buttonState = digitalRead(buttonPin);
+  if (buttonState == LOW) {
+    digitalWrite(Led, HIGH);
+
+  } else {
+    digitalWrite(Led, LOW);
+  }
+  
+}

Blink/Blink.txt

@@ -0,0 +1 @@
+Turn an LED on and off. 

espnow_ledreciver_copy_20241201191827/espnow_ledreciver_copy_20241201191827.ino

@@ -0,0 +1,24 @@
+#include <esp_now.h>
+#include <WiFi.h>
+
+#define LED_PIN 2
+
+void OnDataRecv(const uint8_t *mac, const uint8_t *incomingData, int len) {
+  digitalWrite(LED_PIN, *incomingData);
+}
+
+void setup() {
+  Serial.begin(115200);
+  WiFi.mode(WIFI_STA);
+  pinMode(LED_PIN, OUTPUT);
+  
+  if (esp_now_init() != ESP_OK) {
+    Serial.println("Error initializing ESP-NOW");
+    return;
+  }
+  uint8_t esp_now_register_recv_cb(OnDataRecv);
+}
+
+void loop() {
+  
+}

espnow_ledtransmiter_copy_20241201191901/espnow_ledtransmiter_copy_20241201191901.ino

@@ -0,0 +1,36 @@
+#include <esp_now.h>
+#include <WiFi.h>
+
+#define BUTTON_PIN 1
+
+void setup() {
+  Serial.begin(115200);
+  WiFi.mode(WIFI_STA);
+  
+  // Initialize ESP-NOW
+  if (esp_now_init() != ESP_OK) {
+    Serial.println("Error initializing ESP-NOW");
+    return;
+  }
+  
+  // Register peer (receiver's MAC address)
+  esp_now_peer_info_t peerInfo;
+  memcpy(peerInfo.peer_addr, receiverMACAddress, 6);
+  peerInfo.channel = 0;
+  peerInfo.encrypt = false;
+  
+  if (esp_now_add_peer(&peerInfo) != ESP_OK) {
+    Serial.println("Failed to add peer");
+    return;
+  }
+  
+  pinMode(BUTTON_PIN, INPUT_PULLUP);
+}
+
+void loop() {
+  if (digitalRead(BUTTON_PIN) == LOW) {
+    uint8_t data = 1;
+    esp_err_t result = esp_now_send(receiverMACAddress, &data, sizeof(data));
+    delay(50); // Debounce delay
+  }
+}