SD card storage accessed wireless in LAN via HTTP server running on ESP32 and locally via a joystick and an OLED display.

• ESP32 board 🌐
• SD card reader SPI
• SSD 1306 SPI OLED display 📺
• AT24C256 I²C EEPROM memory module
• Joystick 🕹️
• Jumper Wires

The user can navigate through folders and files of the SD card by using the joystick.

The Access Point's credentials are stored in the AT24C256 256Kb memory.
They are stored at adresses 0x1337 and 0xbeef.

• Left: go back one directory
• Right / Press: if the selected is a directory navigate to it
• Up: scroll up
• Down: scroll down

If a folder is empty, an appropiate message is displayed.

Since the project is meant to be a cloud, the files can also be accessed from a browser via the running HTTP Server.
When entering the root page of the server, together with a welcome message, the file structure of the root folder is presented. Folders have a folder emoji next to them and their name is a link, which when it is clicked redirects the player to a page containg that folder's file strucure. When we want to navigate back to a folder we simply press the back button of the browser.

Images also have a specific emoji next to them.

If a folder is empty, a specific message is displayed on the webpage.