We know that the frequency spectrum of sound ranges from tens to thousands of hertz. If we can use the program to control the "high" level or low level of a certain port line of a single machine, a re
Beetle_ESP32-C3 Arduino routine learningDocument NumberTN_TR0003_A0KeywordsArduino, ESP32-C3, WIFI, BLE, RISC-VsummaryUsing online information resources, by studying routines on DFRobot, CSDN, and git
That is, the system cannot enumerate. I used mxchipWNet Demo_V1.19. After opening the project, I found that the device and ROM address were completely wrong. I reselected it and found that it was stil