最小二乘法拟合圆得其圆心及半径matlab程序（无需要矩阵求逆计算，便于单片机实际系统应用）-Least-squares fitting circle Obtaining the center and radius (NO requires matrix inversion calculations,To facilitate the practical application)

51单片机智能小车程序，功能是利用神经网络进行防碰撞。(This is a simple program to prevent impact.)