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Hallo Edi

habe das ganze so übernommen wie im Video beschrieben, habe es mal compiliert aber die Fehlermeldung kommt immer wieder obwohl ich alle librarys mit der genauen Version runtergeladen habe. Kannst du mir mitteilen, was ich falsch gemacht habe? Ausserdem kann ich unter Boards die ESP32 und 8266 nicht finden. Besten Dank! LG Murat

Arduino: 1.8.13 (Mac OS X), Board: "Arduino Uno"
In file included from /Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino:27:0:
/Users/muratcobanoglu/Documents/Arduino/libraries/ArduinoOTA/src/ArduinoOTA.h:133:2: warning: #warning "Network library not included or not supported" [-Wcpp]
#warning "Network library not included or not supported"
^~~~~~~
BME280_I2C_OTA_MQTT:51:1: error: 'WiFiClient' does not name a type; did you mean 'DNSClient'?
WiFiClient espClient;
^~~~~~~~~~
DNSClient
BME280_I2C_OTA_MQTT:52:21: error: 'espClient' was not declared in this scope
PubSubClient client(espClient);
^~~~~~~~~
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino:52:21: note: suggested alternative: 'DNSClient'
PubSubClient client(espClient);
^~~~~~~~~
DNSClient
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino: In function 'void setup()':
BME280_I2C_OTA_MQTT:60:4: error: 'ArduinoOTA' was not declared in this scope
ArduinoOTA.setHostname(ESPHostname);
^~~~~~~~~~
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino:60:4: note: suggested alternative: 'Arduino_h'
ArduinoOTA.setHostname(ESPHostname);
^~~~~~~~~~
Arduino_h
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino: In function 'void loop()':
BME280_I2C_OTA_MQTT:77:3: error: 'ArduinoOTA' was not declared in this scope
ArduinoOTA.handle();
^~~~~~~~~~
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino:77:3: note: suggested alternative: 'Arduino_h'
ArduinoOTA.handle();
^~~~~~~~~~
Arduino_h
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino: In function 'void setup_wifi()':
BME280_I2C_OTA_MQTT:118:3: error: 'WiFi' was not declared in this scope
WiFi.begin(wifi_ssid, wifi_password);
^~~~
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino:118:3: note: suggested alternative: 'Wire'
WiFi.begin(wifi_ssid, wifi_password);
^~~~
Wire
BME280_I2C_OTA_MQTT:119:27: error: 'WL_CONNECTED' was not declared in this scope
while (WiFi.status() != WL_CONNECTED) {
^~~~~~~~~~~~
/Users/muratcobanoglu/Documents/Arduino/BME280_I2C_OTA_MQTT/BME280_I2C_OTA_MQTT.ino:119:27: note: suggested alternative: 'MQTT_CONNECTED'
while (WiFi.status() != WL_CONNECTED) {
^~~~~~~~~~~~
MQTT_CONNECTED
exit status 1
'WiFiClient' does not name a type; did you mean 'DNSClient'?

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

Die Scetches Temperatur Sensoren_MQTT_OTA_V1.0.ino funktionieren mit dem NodeMCU - ESP8266 ohne Probleme, mit dem ESP32 kann nicht mit MQTT verbunden werden.