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tiny_pwm
- 采用atmel的tiny26的pll实现高速pwm,可方便进行电压等的调节。-high speed pwm using ATMEL tiny26 as MCU. It can be used for voltage regulator.
comyingyong
- 一个实用的串口编程程序,上面是COM的选择,左边显示比如0~5V的电压,右边显示0~255的数字,可以直接使用。-a practical serial programming, COM above is the choice the left side shows such as 0 to 5V voltage, 0 to the right shows the number 255 can be used directly.
IA4420
- IA4420 工作在315/433/868/915MHz 频段(IA4421 工作在433/868/915MHz 频段); 2. 低电压工作,工作电压2.2V~5.4V; 3. 低功耗模式,待机电流0.3uA; 4. 调制模式FSK,并具备高度集成的PLL; 5. 低发射功率、高接收灵敏度设计,发射功率5~10 dbm 可调,接收灵敏度-109 dbm; 6. 内置时钟输出,可省掉MCU 的晶振; 7. 传输数据率高,数字信号可达115.2 kbit/s,模拟信号可达25
C8051F410RS232_c
- C8051F410串行通讯和双通道DAC输出 C8051F410串行通讯和双通道DAC输出 - Download the code to an C8051F410 Development Board // 2) Check that the J6 and J16 shorting blocks are not installed. This // ensures that the IDAC outputs are not connected to any other pi
HT82K95
- HT82K95E应用范例 详细的usb程序 HT82K95E datasheet -HT82K95E datasheet Features Operating voltage: fSYS=6M/12MHz: 3.3V~5.5V Low voltage reset function 32 bidirectional I/O lines (max.) 8-bit programmable timer/event counter with overflo
42pcb
- 该工程是一个FPGA的开发板 主要包括了FPGA芯片:EP3C25Q240C8 FPGA的配置芯片采用:EPCS16 USB芯片:CY7C68013A USB的FLASH采用:24LC64 AD芯片:AD9238 电源部分:LMS1117-3.3两块分别对USB、模拟部分和FPGA供电;LMS1117-1.2为FPGA核心电压;LMS1117-2.5为 IO口及PLL供电 9盏LED,4个开关 主要完成的一个功能是高速模拟信号的采集,以及上位机传输
comtest
- 是基于VC++控件的与单片机串口通信的上位机程序。代码简单,可以实现两位整数两位小数,共四位有效数字的数据传输。其它数据可以类比改动。用于温度,电流,电压等的设置与监控。-Control based on VC++ serial communication with the host computer microcontroller program. Code is simple, can achieve two integers 2 decimals, a total of four sign
modbus
- MODBUS智能从站,基于低压电器,有03,06,16功能-MODBUS intelligence from the station, based on low-voltage electrical appliances, there are functional 03,06,16
14SPI
- c8051f系列单片机的SPI 并行/串行通信源程序 Cygnal出的一种混合信号系统级单片机。片内含CIP-51的CPU内核,它的指令系统与MCS-51完全兼容。其中的C8051F020单片机含有64kB片内Flash程序存储器,4352B的RAM、8个I/O端口共64根I/O口线、一个12位A/D转换器和一个8位A/D转换器以及一个双12位D/A转换器、2个比较器、5个16位通用定时器、5个捕捉/比较模块的可编程计数/定时器阵列、看门狗定时器、VDD监视器和温度传感器等部分。C805
8253
- AD采集电压,查表转换成厚度值,并显示到数码管上。-AD Acquisition voltage, the thickness of the value of look-up table to convert, and display on the digital control.
NRF905Datesheet
- NRF905 Datesheet 这东西还是有用到的时候的。收藏起来。 nRF905: 工作电压为1.9~3.6V 32引脚QFN封装(5×5mm) 433/868/915MHz频道 SPI接口 GMSK调制,抗干扰能力强 外围元件少 产品易开发 -NRF905 Datesheet this stuff was useful to time. Away. nRF905: working voltage of 1.9 ~ 3.6V 32-pin QFN
TC35i
- 基于GSM的手机短信监控系统 实现的功能有:发短信控制3台远程终端设备(门窗、空调、冰箱等)的开关;监测终端环境的温度;监测远程终端设备的电压;两个红外防盗报警器随时监控等,煤气泄露检测,还可以增加其它环境监测功能与安全检测功能. 。-GSM-based mobile phone messaging system to achieve the functions of monitoring are as follows: send text messages to control 3 remot
slla120
- 锁相环是一种反馈电路,其作用是使得电路上的时钟和某一外部时钟的相位同步。PLL通过比较外部信号的相位和由压控晶振(VCXO)的相位来实现同步的,在比较的过程中,锁相环电路会不断根据外部信号的相位来调整本地晶振的时钟相位,直到两个信号的相位同步。-PLL is a feedback circuit, and its role is to make the clock circuit and a phase of external clock synchronization. PLL signal
Agilent34401a
- 安捷伦34401a数字万用表,通过串口读取,在电脑上显示所测量电压、电流.-Agilent 34401a digital multimeter, to read through the serial port, the computer displays the measured voltage and current.
BOCCN-MSG_v2.0
- 无线网络的传输,通过zigbee网络实现router和coordinator之间的通信,进而实现对router的电压,电流以及温度和湿度。-Wireless transmission network, zigbee network through the router and the communication between the coordinator, router and then the realization of the voltage, current and temperat
dianya
- 电压谐波监测,用来测量低频电压信号的各个谐波量,利用快速傅里叶算法-Voltage harmonic monitoring
BPSK
- Simple BPSK modulator. uses a file called HuffmanE.txt and maps the binary digits to bipolar voltage level. Written in C
C51
- 本文介绍的用 89C51 单片机I/O 口模拟实现串行通信的方法,已成功 地应用在某电压数据采集系统中,实践证明能可靠地传送和接收数据。-This article describes using 89C51 microcontroller I/O port Serial communication simulation method has been successfully applied in a certain voltage data acquisition system, the
das
- Demodulating the signal. DeAmpMod = (1/2).*(ademod(AmpMod,Fc,Fs, amdsb-sc ,num,den)) (ALTERNATIVE APPROACH) DeAmpMod = AmpMod.*Cs Designing butterworth low pass filter. [num,den] = butter(2,.8) FilteredOutput = filter(num,den
acquisition-voltage
- 电压串口采集系统上位机程序 c++builder-PC program acquisition system voltage