The expansion resources provided by the ESP32-Audio-Kit audio development board are really scarce, and the pins provided by the expansion interface are mostly reused. If you use an SPI interface or so
GD32307E-STARTApply for free evaluation
GigaDevice GD32307E-START Development Board Recommendation GigaDevice GD32307E-START Development Board is equipped with GD32 ARM Cortex-M4 microcontroller mains
The best way is to read the introduction and understand the program
External interrupt is the lowest priority interrupt of MSP430 and it is a maskable interrupt. It is relatively simple to use.
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[i=s]This post was last edited by qwqwqw2088 on 2019-2-26 08:14[/i] [backcolor=white][size=4][color=#000000] The increasingly complex demands of mobile device users have led to the design of portable