OV7950 IIC程序，可以在线调试程序和下载代码，可以调节亮度，低照度，色彩和锐度-The OV7950 IIC program, available online debugger and download the code, you can adjust the brightness, low light, color and sharpness, etc.

NEC0881单片机的模拟IIC驱动程序-NEC0881 microcontroller simulation IIC driver