Dudas mqtt con urspahomqttclient

[Juan_Antonio]

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ESP32. MQTT. Broker. Publish. Subscribe. ThingSpeak

Hello friends, I’ll write in this topic about MQTT with ESP32. Publish. Subscribe. Broker. Mosquitto,… 0.- Board D1 R32 ESP32. This is a cheap card ($ 5) with the dimensions and shape of the Arduino UNO, but with the ESP32. I used this card in the ESP32 Wifi and ESP32 BLE tutorials. [esp322b] Search images: D1 R2 ESP32 This card has classic Bluetooth, BLE, WiFi, ADC, DAC, and more features. This card can be programmed with the Arduino IDE. [comparativa]