A new instrument which can measure the phase difference by 8051 microcontroller and LED digital display current driven by MAX7219 is introduced.
介绍了一种主要由8051单片机、MAX7219驱动的LED数码显示电路构成的相位差测量仪。
With 12 LED digital display, can show the tube voltage, current and count value.
具有12位LED数码管显示,可分别显示电压、电流、计数值。
To build a digital clock DIGCLOCK procedures, similar LED display cubes 7 shows the current time.
建立数字时钟DIGCLOCK程序,使用类似LED的7个显示方块显示了目前的时间。
应用推荐