with the serial download isp

日本北斗公司开发的usb鼠标源程序单片机为HITACHI--H8S2215-developed by usb mouse source for Hitachi microcontroller-- H8S2215

电子密码锁程序，两键输入，其中一个键累加，另一个键确认。密码正确锁打开（开锁指示灯亮）；密码错误锁关闭（关锁指示灯亮）；连续错三次则锁定键盘8秒并发出报警声。-Electronic code lock procedure, the two key input, one key additive, and the other button to confirm. The correct password to open lock (unlock indicator light) password error lock closure (Kuan-lock indicator light) consecutive wrong then lock the keyboard three times and issued eight seconds alarm sound.

18f2423单片机内置12位AD,这是我自己调试过的18个例程.-18f2423 MCU built-in 12 AD, this is my own debugging routines ever 18.

web51 的一种实现-a solution of the web51

基于 51 的倒车雷达-turned 51 on the radar

DA芯片TLC5620中文资料，该pdf以中文详细的讲述了TLC5620的各项指标及其典型应用电路-DA chip TLC5620 Chinese data, the pdf in Chinese TLC5620 detail of the indicators and their typical application circuit

ads1110 16位ad转换c语言程序-ads1110 16 bit ad converter c language program

AD转换器AD7890驱动程序（KeilC51）-AD converters AD7890 driver (KeilC51)

利用51单片机实现sle4442的读写，可以使用-51 Singlechip sle4442 realize the use of reading and writing, you can use

c8051f的uart口的测试程序，用来测试c8051f单片机串口是否正常-UART c8051f the mouth of the testing procedures used to test whether the normal c8051f single-chip serial