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msp430-TDC_GP21
TDC-gp21超声波时间测量，用于热表中测量逆流与顺流的时间，进出口温度以及高速晶振的校准
基于430开发，开发环境 IAR5.1(TDC- gp21 ultrasonic measuring time, time for heat measurement of upstream and downstream in the table, the import and export temperature and the calibration of high-speed crystals
Based on the 430 development, IAR5.1 development environment)
- 2014-04-21 10:18:16下载
- 积分：1
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stm32f103+rs485+modbus+freertos
在freertos操作系统下采用modbus协议进行rs485通讯(485 communication using Modbus protocol under FreeRTOS operating system)
- 2020-06-17 23:40:02下载
- 积分：1
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dianyabiao
用ADC0809做成的数字电压表，附带proteus仿真原理图和原程序。(ADC0809 made with digital voltage meter, incidental Proteus simulation schematic and the original procedure.)
- 2009-03-07 18:19:58下载
- 积分：1
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stm32SPI SD
项目用到的STM32F103芯片SPI接口的SD卡读取与改写存储，带文件操作FAT32操作系统，绝对可以用。(The STM32F103 chip SPI interface of the project uses the SD card reading and rewriting storage, and the file operates the FAT32 operating system, which is absolutely available.)
- 2017-12-22 15:07:47下载
- 积分：1
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hongwai
实现红外线接收功能 主芯片为AT89S51(To achieve the main function of the infrared receiver chip AT89S51)
- 2011-05-03 15:14:22下载
- 积分：1
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SPI-1.8-TFT
这是一个SPI 接口的1.8寸TFT操作的源代码，液晶屏控制器为ST7735,里面附带ST7735资料(This is an SPI interface 1.8-inch TFT operation of the source code, the LCD screen controller ST7735, ST7735 with inside information)
- 2014-01-15 21:57:25下载
- 积分：1
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430-自行车速度表
基于msp430FE425自行车速度表，包含软件和设计报告(well)
- 2017-06-24 11:07:52下载
- 积分：1
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zhiliudianliuyuan
本系统以直流电流源为核心，AT89S52单片机为主控制器，通过键盘来设置直流电源的输出电流，设置步进等级可达1mA，并可由数码管显示实际输出电流值和电流设定值。本系统由单片机程控输出数字信号，经过D/A转换器（AD7543）输出模拟量，再经过运算放大器隔离放大，控制输出功率管的基极，随着功率管基极电压的变化而输出不同的电流。单片机系统还兼顾对恒流源进行实时监控，输出电流经过电流/电压转变后，通过A/D转换芯片，实时把模拟量转化为数据量，再经单片机分析处理， 通过数据形式的反馈环节，使电流更加稳定，这样构成稳定的压控电流源。实际测试结果表明，本系统输出电流稳定，不随负载和环境温度变化，并具有很高的精度，输出电流误差范围±5mA，输出电流可在20mA~2000mA范围内任意设定，因而可实际应用于需要高稳定度小功率恒流源的领域。(the system to DC current source to the core, MCU AT89S52 main controller, through the keyboard to set up DC power supply output current, set up to 1mA Stepping grades, digital control can be shown by the actual output current value and current setting. The system consists of programmable microcontroller digital signal output, after the D/A converters (AD7543) analog output. After Operational Amplifiers isolation, amplification and control of the output power base. With the power of the base voltage changes in the output current. SCM system also takes on the constant current source for real-time monitoring, after current output current/voltage changes, the A/D converter chip, real-time conversion from analog to the volume of data and then analyzed by the MCU, through data link in the )
- 2006-06-27 08:41:38下载
- 积分：1
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MCP3204
STM32通过SPI口访问MCP3204串行AD的程序(STM32 Access MCP3204 SPI serial port program through AD)
- 2020-12-17 14:39:12下载
- 积分：1
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hwj
说明： 通过温度传感器获得温度值，并设定温度值，在温度值大于设定值时，单片机驱动风扇，降温。(The temperature value is obtained by temperature sensor, and the temperature value is set. When the temperature value is greater than the set value, the single chip computer drives the fan to cool down.)
- 2020-06-20 17:20:01下载
- 积分：1
