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duolushujucaijiyuchuanshu
- 数据采集系统作为沟通模拟域与数字域的必不可少的桥梁有着非常重要的作用。本文介绍的重点是数据采集系统。数据采集与通信控制采用了模块化的设计，数据采集与通信控制采用了单片机8051来实现，硬件部分是以单片机为核心，还包括模-数转换模块，显示模块，和串行接口部分，还有一些简单的外围电路。8路被测电压通过通用ADC0809模-数转换，实现对采集到的数据进行模拟量到数字量的转换，由单片机对数据进行处理，用LCD显示模块来显示所采集的结果，并将数据通过串行口传输到PC机上，MCU与 PC机间的电平匹配采用M
toint
- 89c2051 外部中断检测 通过max232与PC通讯 发送数据-89c2051 through max232 Detect external interrupt communication with the PC to send data
point-to-point
- 单片机点对点的串口通信(max232)
Voltage_transform(pdf)
- 电平转换电路文档集，包括max232，max485，488，491各种电路的电平转换。-Voltage transform circuits, including max 232, max 485, 488,491. It s useful in circuit designing.
09-COM
- 51单片机通过MAX232芯片实现与电脑串口收发数据的程序例程-Single-chip 51 through the MAX232 chip and a computer to send and receive serial data through routine
max232
- this the driver ic required for interfacing rs232 with microc-this is the driver ic required for interfacing rs232 with microc
uart0
- 本代码是在Keil uVision3环境下使用c语言编程作用是使用串口调试助手与单片机通信，使用max232进行电平转换后进行通信。-The code is in the Keil uVision3 environment the role of c language programming is the use of single-chip serial debugging assistant and communications, the use of level translators m
EX6-4
- 智能温度感测器 （1）8051 的Port 1连接到LCD显示PORT 3的P3.3,P3.4和P3.5分别连接到LCD显示器的控制线，程序执行时可以让LCD显示器显示出时间和日期。 （2）温度感测组件AD590经由ADC0804将感测到的温度，转换成数字数据，然后经由PORT 0输入8051。 （3）8051的第10和第11只脚RXD和TXD分别连线到MAX232，然后连接到PC的COM埠。 （4）8051实验板每 小时就读入ADC0804转换的数字温度数据，然后记录在串行式E
51_DHT11
- // DHT21使用范例 //单片机 ： AT89S52 或 STC89C52RC // 功能 ：串口发送温湿度数据 晶振 11.0592M 波特率 9600 //硬件连接： P2.0口为通讯口连接DHT11,DHT11的电源和地连接单片机的电源和地，单片机串口加MAX232连接电脑 -//DHT21 using the example of// MCU: AT89S52, or STC89C52RC// function: serial port to sen
MAX232
- The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications where ±12V is not available. These parts are especially useful in battery-powered systems,
Telecommunictions
- Input: 2x Signals Media: MAX232 over 5 meters Output: Input signals
Lab0307-Serial
- C6713串口设置值，瑞泰开发板的例子，包括串口助手，TC16C550C和MAX232标准串口-C6713 serial port settings, Skandia development board for example, include serial assistants, TC16C550C and MAX232 standard serial
uv916hex
- An RS232 port controls a TSA5512 via a PIC16F84 This allows a TV tuner to be scanned across its full range. 4MHz crystal for the PIC, the tuner has it s own internal crystal. Use a MAX232 for level shifting. SCL RB6 SDA RB5 Din RA1 Dout
PT22726
- For this project you need a 3.7v power supply that prepared by LM317 regulator. So you need MAX232 for connect uart to pc .my AVR chip project is Mega8 that you can program on any Avr chip have 2kbyte rom. In bascom spi hardware don’t work correct, s
PIC-USB-STK-USBtoRS232
- Emulates an serial to usb adapter with pic18f4550 internal uart and usb connection. It can communicate with any serial port via max232 interface chip.
max232canshu
- 介绍了max232的各个参数，参数介绍齐全，功能介绍详尽，是个好资料-Introduced max232 various parameters, parameter descr iption is complete, functional descr iption in detail, it is a good information
pretell_encapsulation
- protell封装库里面积累我们竞赛用到的封装-protell package repository accumulation of packaging used in our competitions
CircuitConnectionDiagram
- 基于MAX232、AT89C52的TTL电平转串口电路连接图-Based on MAX232, AT89C52 the TTL level to serial circuit connection diagram
urat
- 8051串口驱动，简易接口，与MAX232使用-max232
uartik
- Program to control USART traffic from computer to simple MAX232 IC.