Hello,
Thank You.
Do you want to use network or Bluetooth?
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]
Hello friends,
1.- Send message and view it on an LCD screen.
1.- You write a message in TexBox1 and it is sent by WiFi to ESP8266, that message is shown on the LCD screen.
2.- If you write on5, off5, on6, off6, LEDs 5 or 6 turn on/off.
[esp8266_kio4]
```
// Juan A. Villalpando.
// KIO4.COM
// Send a message
// from App Inventor
#include <ESP8266WiFi.h>
const char* ssid = "Name_Net_WiFi";
const char* password = "Password_WiFi";
// Static IP.
IPAddress local_IP(192, 168, 1, 12);
…
1 Like
As you have mentioned network, i would suggest you to use MQTT protocol. There is mqtt extension for mit app inventor which is very easy to use and this resources( how to make mit app inventor android app for ESP8266 data using mqtt) can help you build your application from scratch.