Klingel v3

doorbell/v1/Doorbell-Sender.ino

@@ -0,0 +1,93 @@
+/*
+ * Sources:
+ * https://www.arduino.cc/en/Tutorial/Button
+ * https://techtutorialsx.com/2017/05/19/esp32-http-get-requests/
+ */
+
+#include <WiFi.h>
+#include <HTTPClient.h>
+ 
+const char* ssid     = "LeWe";
+const char* password = "5275274365464843";
+const char* bellUrl = "http://192.168.1.117/bell/on";
+
+const int buttonPin = 21;    // the number of the pushbutton pin
+const int ledPin =  23;      // the number of the LED pin
+int buttonState = 0;
+
+ 
+void setup() {
+
+  Serial.begin(115200);
+  btStop(); // turn off bluetooth
+
+  pinMode(ledPin, OUTPUT);
+  pinMode(buttonPin, INPUT);
+
+  connectWifi();
+
+}
+ 
+void loop() {
+ 
+  if ((WiFi.status() == WL_CONNECTED)) {
+
+    buttonState = digitalRead(buttonPin);
+    delay(100);
+
+    if (buttonState == HIGH) {
+      digitalWrite(ledPin, HIGH);
+      
+      HTTPClient http;
+   
+      http.begin(bellUrl);
+      Serial.print("GET ");
+      Serial.println(bellUrl);
+      int httpCode = http.GET();
+   
+      if (httpCode > 0) {
+          //String payload = http.getString();
+          Serial.println(httpCode);
+          //Serial.println(payload);
+        }
+      else {
+        Serial.println("Error on HTTP request");
+      }
+   
+      http.end();
+      delay(200);
+    }
+    else {
+      digitalWrite(ledPin, LOW); 
+    }
+  }
+  else {
+    Serial.println("WiFi not connected!");
+    digitalWrite(ledPin, HIGH);
+    delay(200);
+    digitalWrite(ledPin, LOW);
+    delay(50);
+    digitalWrite(ledPin, HIGH);
+    delay(200);
+    digitalWrite(ledPin, LOW);
+    connectWifi();
+  }
+ 
+}
+
+void connectWifi() {
+  boolean ledStatus = false;
+  Serial.print("Connecting to ");
+  Serial.println(ssid);
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+    ledStatus = !ledStatus;
+    digitalWrite(ledPin, ledStatus);
+  }
+ 
+  Serial.println("WiFi connected.");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+}