Describe: keyboard scanning procedure can be used to 4* 4 matrix keyboard scan. C Programming Language

File list(time 2005071209~2009020916)(Click to check if it's the file you need, and recomment it at the bottom):
  4x4键盘扫描c51程序.c

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 To Search: key c51 tracking matrix keyboard 

 [4x4keyboardscan.rar] - C language programming, 4X4 keyboard scanner can be used directly in the 51 SCM
 [ex05_keyscan.rar] - SCM keyboard scanning procedures, please friends try, if need more procedures, please contact me Hopewell
 [stepper_motor_controller.rar] - stepper motor control procedures, with 51 MCU control of the stepper motor operation, the motor is transferred, inversion, zeroing, automatic speed me

 [wenkong_ds18b20.rar] - This is the single bus DS18B20 digital Display of C51 code, wonderful
 [key_lcd.rar] - keyboard scanning and its LCD display output, there is source code and simulation files, all the test.
 [89s51keybroad.rar] - 89s51 achieved through keyboard simulation code, simulation ps2 agreement with the computer keyboard connected to the functions of the c Keil under de
 [jianpan123456.rar] - SCM keyboard control procedures, including matrix keyboard, PS2 keyboard, the independent button. 7279 keyboard complete control over the process, use
 [(485).Rar] - use MCU RS485 multi-machine communication program examples
 [jdy_general.rar] - Keil c project by providing a complete matrix keyboard and dot-matrix LCD operation. LCD, including 128* 64 free font and font, 320* 240 without the s
 [scan_LED.rar] - 1) input device for the 4* 4 matrix keyboard, representing 0 ~ F 2) output device for the four digital display tubes, showed that the initial value o