From 04453ab59467ec2c4b7098a74242af0c7eae8bf2 Mon Sep 17 00:00:00 2001 From: Tilman Date: Thu, 3 Nov 2022 15:57:02 +0100 Subject: [PATCH] Doorbell Speaker for Wemos D1 mini --- .../wifi-klingel-wemos/wifi-klingel-wemos.ino | 169 ++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 doorbell/wifi-klingel-wemos/wifi-klingel-wemos.ino diff --git a/doorbell/wifi-klingel-wemos/wifi-klingel-wemos.ino b/doorbell/wifi-klingel-wemos/wifi-klingel-wemos.ino new file mode 100644 index 0000000..d2eeb19 --- /dev/null +++ b/doorbell/wifi-klingel-wemos/wifi-klingel-wemos.ino @@ -0,0 +1,169 @@ +/* + * Doorbell Speaker for WEMOS D1 mini with dfplayer + * + * dfplayer library: https://github.com/DFRobot/DFRobotDFPlayerMini via https://wolles-elektronikkiste.de/dfplayer-mini-ansteuerung-mit-dem-arduino + * info on how to use dfplayer with WEMOS D1: https://forum.arduino.cc/t/dfplayer-mini-mit-wemos-d1-uno/677980/3 + * WEMOS D1 WiFi setup: https://averagemaker.com/2018/04/how-to-set-up-wifi-on-a-wemos.html + * ESP8266 web server: https://randomnerdtutorials.com/esp8266-web-server/ + * ESP8266 GET request: https://makesmart.net/esp8266-http-get-request/ + */ + + +#include +#include +#include +#include + +DFRobotDFPlayerMini dfPlayer; +int volume = 22; + +const char* ssid = "SSID"; +const char* password = "PASSWORD"; + +WiFiServer server(80); +String header; + +String webhook = "http://www.google.com/"; +WiFiClient webClient; +HTTPClient http; + +void setup() +{ + // start serial output + Serial.begin(115200); + Serial.println(); + + Serial.println("Connect dfplayer"); + Serial1.begin(9600); // TX on PIN D3, RX on PIN D4 + dfPlayer.begin(Serial1); + delay(100); + dfPlayer.setTimeOut(500); // Set serial communication time out 500ms + dfPlayer.volume(volume); // Set volume value (0~30). + dfPlayer.EQ(DFPLAYER_EQ_NORMAL); + dfPlayer.outputDevice(DFPLAYER_DEVICE_SD); + + Serial.println("Connect WiFi"); + WiFi.hostname("Doorbell"); + WiFi.begin(ssid, password); + + while (WiFi.status() != WL_CONNECTED) { + delay(500); + Serial.print("."); + } + Serial.println(""); + Serial.print("WiFi connected, IP address: "); + Serial.println(WiFi.localIP()); + WiFi.setAutoReconnect(true); + WiFi.persistent(true); + + server.begin(); + delay(500); + dfPlayer.play(2); // Play the first mp3 + + Serial.println("Setup completed"); +} + + +void loop() { + + WiFiClient client = server.available(); // Listen for incoming clients + + if (client) { + String currentLine = ""; // make a String to hold incoming data from the client + while (client.connected()) { // loop while the client's connected + if (client.available()) { // if there's bytes to read from the client, + char c = client.read(); // read a byte, then + //Serial.write(c); // print it out the serial monitor + header += c; + if (c == '\n') { // if the byte is a newline character + // if the current line is blank, you got two newline characters in a row. + // that's the end of the client HTTP request, so send a response: + if (currentLine.length() == 0) { + // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK) + // and a content-type so the client knows what's coming, then a blank line: + client.println("HTTP/1.1 200 OK"); + client.println("Content-type: text/html; charset=utf-8"); + client.println("Connection: close"); + client.println(); + + // turns the GPIOs on and off + if (header.indexOf("GET /bell/on") >= 0) { + dfPlayer.play(1); // play the first mp3 + Serial.println("RING"); + } + else if (header.indexOf("GET /setvolume/") >= 0) { // yes, I know this is not RESTful + String str1 = header; + str1 = str1.substring(header.indexOf("GET /setvolume/") + 15); + volume = str1.substring(0, str1.indexOf(" ")).toInt(); + + if (volume < 0) { + volume = 0; + } + else if (volume > 30) { + volume = 30; + } + + dfPlayer.volume(volume); + Serial.print("volume set to "); + Serial.println(volume); + } + + // Display the HTML web page + client.println(""); + client.println(""); + client.println(""); + client.println("Doorbell"); + client.println(""); + + client.println("

Doorbell

"); + client.println("

Volume: " + String(volume) + "

"); + client.println("

"); + client.println(""); + + // The HTTP response ends with another blank line + client.println(); + + // call webhook after ringing + if (header.indexOf("GET /bell/on") >= 0) { + + if (http.begin(webClient, webhook)) { + int httpCode = http.GET(); + + if (httpCode > 0) { + if (httpCode == HTTP_CODE_OK) { + String payload = http.getString(); + //Serial.println(payload); + } + } + else { + Serial.printf("HTTP Error: ", http.errorToString(httpCode).c_str()); + } + // close connection + http.end(); + } + else { + Serial.println("Could not send HTTP request"); + } + } + + break; + } + else { // if you got a newline, then clear currentLine + currentLine = ""; + } + } + else if (c != '\r') { // if you got anything else but a carriage return character, + currentLine += c; // add it to the end of the currentLine + } + } + } + // Clear the header variable + header = ""; + // Close the connection + client.stop(); + Serial.println("Client disconnected"); + Serial.println(""); + } +}