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DZLED19
- 此程序是利用15088b点阵块芯片利用74hc595作为列选, 74ls138作为行选,TIP127作为行驱动cpuAT89C52的c51程序-use of this procedure is 15088b chips using Lattice 74hc595 as shown in the election, 74ls138 as holding elections, as the line drive TIP127 the dec
16x16 LED点阵
- 16x16 LED点阵(74HC595+三极管TIP127+74LS145+74HC245) 字幕左右移的编程思想.pdf
DZLED19
- 此程序是利用15088b点阵块芯片利用74hc595作为列选, 74ls138作为行选,TIP127作为行驱动cpuAT89C52的c51程序-use of this procedure is 15088b chips using Lattice 74hc595 as shown in the election, 74ls138 as holding elections, as the line drive TIP127 the dec
led
- 通过8片74595和16片tip127驱动16*`16*4的led,显示汉字信息,超高亮度的led显示.74595采用串联移位的方式,74154为16选1的行驱动,驱动16片tip127,显示效果良好-74595 and 8 through 16 tip127 Driver 16* `16* 4 led, display of Chinese characters of information, ultra-high brightnes
led_shift
- 16x16 LED点阵(74HC595+三极管TIP127+74LS145+74HC245) 字幕左右移的原理图-16x16 LED dot-matrix (74HC595+ transistor TIP127+74 LS145+74 HC245) subtitles move around the schematic diagram
LEDdisp
- 以Silicon Laboratories公司C8051F230单片机为控制核心,采用16路动态扫描方式进行显示的LED大屏幕显示系统的设计方案。采用大功率三极管TIP127进行行驱动,提高了亮度。单片机通过读取外部总线数据,可实现与上位机协同工作,也可以脱离上位机独立工作。高速的单片机系统可显示图象、文字、数字等多种内容,并且通过优化算法实现了上下左右移动,以及百叶窗等特殊效果。-To Silicon Laboratories, C8