单片机控制两个继电器的程序 试用版上带的 有空-Single-chip microcomputer to control the two relays on the procedure with a trial version of the free

此为单片机控制锁相环MB1502锁到875M的频率，程序经过试验可以应用-This is the single-chip control MB1502 PLL locks to the frequency of 875M, the procedure can be applied to trial

从内部RAM30H单元开始，有10个单字节数据。试编一个程序，把其中的正数、负数分别送40H和50H开始的内部RAM单元。-Start from internal RAM30H units, 10 single-byte data. A trial program, one of the positive and negative, respectively send 40H and 50H, internal RAM unit....

试用于51单片机温湿度传感器芯片SHT10驱动程序，内含24c02驱动程序，具有报警功能。可设置报警参数。-Trial on 51 single-chip temperature and humidity sensor chip SHT10 driver contains 24c02 driver with an alarm function. You can set the alarm parameters.