一个用单片机制作的基于POV原理的用LED显示的旋转时钟的源程序和电路图-1 Using the Microcontroller-based LED POV display using the principle of rotation of the clock source and the circuit-A source-based MCU production and schematic principle POV LED display rotating clock-1 Using the Microcontroller-based LED POV display using the principle of rotation of the clock source and the circuit