Table of contents : Front Matter ....Pages i-xvii Internet radio (Neil Cameron)....Pages 1-25 Intranet camera (Neil Cameron)....Pages 27-50 International weather station (Neil Cameron)....Pages 51-84 Internet clock (Neil Cameron)....Pages 85-111 MP3 player (Neil Cameron)....Pages 113-150 Bluetooth speaker (Neil Cameron)....Pages 151-157 Wireless local area network (Neil Cameron)....Pages 159-180 Updating a web page (Neil Cameron)....Pages 181-222 WebSocket (Neil Cameron)....Pages 223-256 Build an app (Neil Cameron)....Pages 257-287 App database and Google Maps (Neil Cameron)....Pages 289-303 GPS tracking app with Google Maps (Neil Cameron)....Pages 305-345 USB OTG communication (Neil Cameron)....Pages 347-363 ESP-NOW and LoRa communication (Neil Cameron)....Pages 365-397 Radio frequency communication (Neil Cameron)....Pages 399-436 Signal generation (Neil Cameron)....Pages 437-466 Signal generation with 555 timer IC (Neil Cameron)....Pages 467-503 Measuring electricity (Neil Cameron)....Pages 505-558 Rotary encoder control (Neil Cameron)....Pages 559-584 OTA and saving data to EEPROM, SPIFFS, and Excel (Neil Cameron)....Pages 585-610 Microcontrollers (Neil Cameron)....Pages 611-639 ESP32 microcontroller features (Neil Cameron)....Pages 641-682 Back Matter ....Pages 683-697