使用 HT46R53 制作的大屏幕 3 路 AD 转换电压表,数码管字高 30mm ,三路测量值分别通过红色,绿色,混合的橙黄色进行分时显示.成本低廉,显示美观,应用方便.....给出了实物效果图,电路原理图和 AD 转换及报警控制( HT 汇编语言)程序.-HT46R53 produced using large-screen 3-way AD converter voltage meter, LED character height 30mm, three-way measurements are the red, green, orange and yellow for mixed time-sharing display. Low-cost, display beautiful and convenient .... . given physical effect diagram, schematic and AD conversion and Alarm (HT assembly language) program.