摘要
介绍了利用旧转速表或旋转编码器的转速传感器构成的脉冲发生器和８０３１单片机相结合来实现经济型转速表的方法。
A method of economic type tachometer which is realised by using old type tachometer or impulse generator composed by rotating speed sensor of rotary code generator combined with 8031 monolithic computer is introduced.
