How to use the C++ ifstream and ofstream classes to write and read files on the ESP32.
ESP32 inja: Custom functions
How to define custom functions to be used in inja templates.
ESP32 Ticker: Light Sensor readings
How to periodically obtain measurements from an ambient light sensor, using the ESP32 and the Ticker library.
ESP32 ILI9341: display jpg image
How to render a .jpg image on a ILI9341 display, using the ESP32 and the Arduino core.
ESP8266 SPIFFS: Reading a file
How to read a file from the ESP8266 SPIFFS file system.
ESP8266 SPIFFS: Writing a file
How to write a file to the ESP8266 SPIFFS file system.