【摘要】 以AT89S52单片机为核心,本文设计了低成本、便携式、可数字显示的测距仪,利用超声波测距原理,实现距离数据的测量。该测距仪适应一般的工业测量,具有灵敏度高、测量准确的特点。更多还原

【Abstract】 Taken AT89S52 microcomputer as kernel, the digital display distance meter which is low cost and portable is designed. The ultrasonic ranging principle is used to measure the distance data. The ultra- sonic portable distance meter can be used in the general industrial measurement. It has the high sensitivity and can take accurate measurement.更多还原