Digital Potenciometer

[Patryk_F]

Do you already have your arduino connected to the potentiometer? Have you already connected your arduino to the wifi network?

I think you should use MQTT. there are many libraries for arduino, and extensions for AppInventor. There are also free mqtt brokers which are enough for teaching purposes.

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]