温度计原理图和源码

一种自激式开关稳压电源的设计, pdf格式

X5045的读写应用程序，经过测试，完全能用-X5045 reading and writing applications, tested and fully use

P1.7～P1.0接发光二极管L8～L1，要求利用单片机内部定时器1，按方式1工作，每0.01秒T1溢出中断一次。要求编写程序模拟时序控制装置。开机第1秒钟L1、L3亮，第2秒钟L2、L4亮，第3秒钟L5、L7亮，第4秒钟L6、L8亮，第5秒钟L1、L3、L5、L7亮，第6秒钟L2、L4、L6、L8亮，第7秒钟8个发光二极管全亮，……一直循环下去。fosc=11.0592MHz-P1.7- P1.0 then LED L1 to L8, by using a timer internal microcontroller, a work by the way, every 0.01 seconds T1 interrupted an overflow. Simulation prepared timing control device. Boot 1 seconds L1, L3- liang, two seconds L2- L4, L5 three seconds, L7- liang, 4 seconds L6, L8-liang, 5 seconds L1, L2, L5, L7- liang, 6 seconds L2, L4, L6, L8- , 7 seconds 8-LED whole ... has been the cycle continues. 11.0592MHz fosc =

键盘扫描程序，逐行拉低，错位相交的方法实现-Keyboard scanner, progressive degrade realize dislocation intersect method

直接频率合成技术dds，开发环境Silicon Laboratories，经测试有用-Direct frequency synthesis dds, development environment, Silicon Laboratories, have been tested and useful

51单片机的122×32点阵液晶底层驱动程序-51 SCM 122 × 32 dot matrix LCD driver bottom

此程序是用于单片机e2rom读写的程序。-The firmware of the USBisp is easy to upgrade. A software upgrade works also via the USB interface. The package contains a STK500 compatible bootloader so you can use avrdude to update the firmware. There are 7k of flash left in the ATMega8

modbus 通讯程序 物理层rs-485-Modbus communication procedures rs-485 physical layer

内含各国最基础的电路图,并做了详细的说明,对做底层开发的人员很有用.-States containing the most basic circuit diagram, and to do such a detailed description of the development on the ground floor to do the personnel very useful.