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ghdl-0.20
- vhdl集成电路设计软件.需要用gcc-4.0.2版本编译.-VHDL IC design software. Require gcc - 4.0.2 compiler versions.
sd(sd_4_data_mode)
- sd卡的高速读写程序,sd模式(4数据线),是普通spi模式的约6倍,以及完全的sd卡的data sheet-sd-card reader procedures, sd model (four data lines), is the general pattern of about 20 six times. and full sd card data sheet
4-20mA-PWM
- 8051驱动LED的4至20毫安的PWM程序。C环境
Atmega8_RS485
- 利用AVR单片机--atmega 8设计485通讯C程序,同时,以20个字节为一个数据包进行发送和接受-Using AVR microcontroller- atmega 8 Design 485 C program, while 20 bytes for a packet to send and receive
stm32V1_2
- 这是我自已为实验室画的基于STM32的PCB,现在将原理图及PCB全部分享,图是用PROTEL 99SE绘制的。可能会有布线不合理之处,仅供大家参考。 实验板资源介绍 1)CPU为100脚STM32F103XX 2)TFTLCD 3)SD卡 4)4X4键盘模块及四个独立按键 5)ISP下载口及20脚JTAG下载口 6)RS232接口、RS485接口、PS/2接口、USB接口 7)I/O口驱动的蜂鸣器 8)I2C口驱动的AT24C02 9)
lcdni2c
- Code interfacing 8051 with 20*4 lcd
xiaoche4
- 采用嵌入式IAR工作台版:4.20主要应用代码设计为EXP4618板-IAR Embedded Workbench Version: 4.20 main application code is designed to EXP4618 board
HRMeter
- :热电阻在工业生产中常用于中低温区测温,是温度测量中应用较为普遍的测温元件.通过对其测 温原理的研究,设计了基于MSP430FI69单片机的热电阻测温仪.本设计采用恒流源驱动三线制热电 阻,配合信号平移、放大电路,利用片内A/D转换器,通过分时采样将热电阻对应的电压信号采集进来. 经过一阶插值拟合运算程序处理后显示温度值并由D/A转换器输出电压信号,再经过V-1变换实现 4—20 mA变送输出功能.-: Thermal resistance often used in indus
clock-sample
- At89C2051 clock controller V.20 89C2051 + 4-digit 7-SEG led + 2-key switch-At89C2051 clock controller V.20 89C2051 + 4-digit 7-SEG led + 2-key switch
Hart_calibration
- The HART Application Guide has been created by the HART Communication Foundation (HCF) to provide users of HART products with the information necessary to obtain the full benefits of HART digital instrumentation. The HART communication proto
7.18pwm
- 用户编程: 1. A+B按住1秒,所有LED同时闪2下,进入编程模式 2. 默认显示当前设置时间LED亮,按A键一次,LED-A亮,再按,B亮,再按,C亮...从左至右依次定义为左A-30分钟、B-1小时、C-2小时、右A-3小时、B-4小时、C-5小时 3. 设定好小时后,按B键,设定对应小时的LED快闪两下,输入完成,转入分钟设置 4. 从左至右依次为左A-0分钟、B-10分钟、C-20分钟、右A-30分钟、B-40分钟、C-50分钟;默认右A亮。 5. 设定分钟后按B键
LCDDisplayControl
- Control a LCD 16x2 panel with 4 ports. This project includes an schematic. The hardware uses a 20 pin microcontroller like the 89C2051 or Atmel 90S2313. The hardware is enhaced using an external shift register CMOS 4094. The source code was written f
51controleMOTOR-KEY
- 基于51单片机的步进电机的控制设计 一圈360度,需要20个脉 冲完成. 3,步进电机具有瞬间启动和急速停止的优越特性. 4,改变脉冲的顺序,可以方便的改变转动的方向-51 step motor control designs around 360 degrees, requires 20 pulses to complete. 3, stepper motor with instant start and stop the rapid superior characteristics base