Sending Data with ESP8266 to MIT App Inventor

[Juan_Antonio]

Here an example with ESP8266

App Inventor sends information to ESP8266 by WiFi

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); …

See also the codes for the ESP32

ESP32. WiFi. WebServer. Upload file from App to ESP32. SdCard reader. LittleFS

Hello friends, I would like to share my experience on uploading files to ESP32. At first I wanted to upload the files from the App using the Web component, but so far I have not been able to, so I used the ActivityStarter component and the device browser. I'll be using this board, which is the shape and size of the Arduino UNO, with the ESP32. [esp32_wemosd1r2] Here in Spanish: http://kio4.com/arduino/9130f.htm