无霍尔传感器无刷直流电机控制源代码，控制I芯片为DSPIC33FJ32MC204,主要特点为无需过零比较器实现换相，很好用。-Without Hall sensors brushless DC motor control source code control I chip DSPIC33FJ32MC204, main features without having to achieve zero-crossing comparator commutation, very good use.