该源码为使用avr开发的应用激光技术实现的虚拟键盘，包括使用i2c总线从摄像头获得数据后经单片机处理后将数据发送至pc机，具有较高的实用价值。-Avr source code to use the laser technology developed by the virtual keyboard, including the use of i2c bus access to data from the camera will send the data processing by the MCU to the pc, has a high practical value.