Based on mc9s12dg128b, time catcher of the sample code

89c51usb仿真器原理图，超级棒，拿出来与大家分享-Schematic 89c51usb emulator, super rod, out to share with you

用ATmega8单片机产生占空比可变PWM方波-ATmega8 generated by single-chip PWM variable duty cycle square wave

ATMEL 89sxx 系列51单片机下载线原理图 这是ATMEL公司的官方板-ATMEL 89sxx Series 51 Single-chip line schematic download This is the official board ATMEL Corporation

s3c2410，iic 底层驱动程序控制zlg7289-s3c2410, iic bottom-driven process control zlg7289

AVR驱动18B20例子 AVR驱动18B20例子-AVR-driven examples of AVR drive 18B20 example 18B20

this is a sensorless fan motor control code .(it use the angle-ahead commutate tech.)

一个凌阳单片机多中断源的实际例子,很具有代表意义,值得研究哦-Sunplus more than a single-chip interrupt sources of practical examples, it is with the representative of significance, worthy of study Oh

热敏电阻，+adc0804测量温度，精确度到0.3摄氏度，本人第一个作品-Thermistor,+ adc0804 temperature measurement accuracy to 0.3 degrees Celsius, I was the first work

1602 4线驱动 亲自测试可用 内附 Preteus原理图-16024-line-driven test is available

转速表：硬件简单，您可以用89c2051代替89c51，p1口做数据输出；p3口做位驱动，int0为转速信号输入-speed : hardware simple and you can replace 89c51 89c2051, p1 I do data output; P3- I do drive, int0 to speed signal input