板子下方预留了丝印为GND 3V 5V的排针接口，分别用于接地、外部3.3V供电、外部5V供电。 固件烧录完成后，即可使用FPGA板卡的电源供电，无需连接电脑 。

ESP32 Camera motion capture application to record JPEGs to SD card as AVI files and stream to browser as MJPEG. If a microphone is installed then a WAV file is also created. Files can be uploaded via ...

Demonstrate how to use the second SPI device, using the SD card as a demonstration device 使用SD卡作为演示设备,演示如何使用第二个SPI设备 ...