SunFounder ESP32 Starter Kit
• The i2s_config_t struct is then passed as an argument to the set_i2s_config function of
the BluetoothA2DPSink object to configure the I2S interface for audio playback.
• The start function of the BluetoothA2DPSink object is called to start the Bluetooth audio
sink and begin playing audio through the built-in DAC.
1.41 7.4 SD Card Write and Read
This project demonstrates the core capabilities of using an SD card with the ESP32 microcontroller. It showcases
essential operations such as mounting the SD card, creating a file, writing data to the file, and listing all files within
the root directory. These operations form the basis of many data logging and storage applications, making this project
a crucial stepping stone in understanding and utilizing the ESP32’s built-in SDMMC host peripheral.
Required Components
In this project, we need the following components.
It’s definitely convenient to buy a whole kit, here’s the link:
Name ITEMS IN THIS KIT LINK
ESP32 Starter Kit 320+
You can also buy them separately from the links below.
COMPONENT INTRODUCTION PURCHASE LINK
ESP32 WROOM 32E
ESP32 Camera Extension -
Operating Steps
1. Before connecting the USB cable, insert the SD card into the SD card slot of the extension board.
2. Connect ESP32-WROOM-32E to the computer using the USB cable.
1.41. 7.4 SD Card Write and Read 151
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