Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at [aritrakdebnath2003]’s MIDI THEREMIN, we see it works differently, but it does play ...

Copy the libraries (e-paper/arduino/libraries) of Arduino demo code to the libraries directory of Arduino IDE. (C:\users\username\documents\arduino\libraries by ...

This repository houses and maintains certain Arduino libraries outside of the Espressif Systems. Since the Espressif Registry offers numerous components developed based on ESP-IDF, encapsulating these ...

Abstract: In this paper, we analyze the working principle of an arduino. These days many people try to use the arduino because it makes things easier due to the ...

Abstract: With the intensification of aging, life-assistive devices for the elderly are becoming important. As an important auxiliary tool, intelligent canes can significantly improve the quality of ...

其他都没什么，最重要的是注意要清一下唤醒标志位 __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU); 因为cpu唤醒第一次后，会置位PWR_FLAG_WU和PWR_FLAG_SB，假如不清除，第二次待机就实现不了了。 HAL_ADC_Start_DMA(&hadc, (uint32_t*)&adc_value[0], 100); dma就会自动将adc的数据采样100个，放到adc ...

其中：0_HID 是mouse（端点1 IN）；1_HID 是pen（端点2 IN）；2_HID 是自定义（端点3 IN-OUT）。