keil and proteus FBI examples

ZLG500B读卡模块数据传输协议--底层函数和高级函数-ZLG500B reader module data transfer protocol-- the bottom and Senior Function Function

IRQ4中断有三个中断源：1KHz、2Kz和4KHz,每一个中断分别控制与IOA0-IOA1,IOA2-IOA3和IOA4-IOA7相连的LED灯-IRQ4 interrupt has three interrupt sources: 1KHz, 2Kz and 4KHz, each interruption of the respective control and IOA0-IOA1, IOA2-IOA3 and IOA4-IOA7 connected LED lights

C8051F020单片机二十进制转换-C8051F020 two metric conversion

16*16点阵汉字显示，非常简单，应该是简明-16* 16 dot matrix Chinese character display

KeilC51 下作的8*8LED显示程序。更改delay()时间和tab*表中的值，可以显示不同的图形-KeilC51 under the 8* 8LED display program. Change the delay () time and tab* in the table values, you can display different graphics

atmega32 和RS485的通讯，已经在电路板上测试通过，RS232相对简单一点，RS485需要对控制收发信号处理一下，并且需要RS232转RS485工具来验证收发是否正确-atmega32 and RS485 communication, has been tested in the circuit board, RS232 relatively simple point, RS485 transceiver control signals need to deal with you, and will need RS232 to RS485 transceiver tools to verify the correctness of

介绍如何在单片机系统上制作硬件字库，可以帮助您更快的了解和开发自己的硬件字库-how the SCM system produced hardware font, can help you more quickly understand and develop their own hardware Font

4*4按键显示扫描程序, 按键显示扫描程序-4* 4 keypad scanner display, keypad scanner display

单片机汉明码编码程序，8-4编码，编码后得数据通过串口发送出去-Singlechip hamming code encoding process ,8-4 encoding, the encoded data sent through the serial port

单片机键盘MakeKey编程-microcontroller programming keyboard MakeKey