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ATS
- this source code of Automatic transfer switch from 220 volt source electricity and battery supply power witch energized by solar cell panel. This plant will control water pump machine what time it will start, stop and switch it s power source-this so
TDA2030
- TDA2030是许多电脑有源音箱所采用的HI-FI 功放集成块。它接法简单，价格实惠。额定功率为14W。电源电压为±6～±18V。 输出电流大，谐波失真和交越失真小（±14V/4欧姆，THD=0.5 ）。具有优良的短路和过热保护电路。其接法分单电源和双 电源两种。pdf中均有两种接法的原理图并附有pcb布局-TDA2030 is active in many computer speakers used HI-FI amplifier integrated block. It is co
AirConditionerStart-delayProtection
- 该空调器通电延时启动保护器由MCS-51单片机AT89C51来实现功能：在电源电压不稳定的地方，当空调器断电后无论什么时候再来电，都不会因此而产生烧毁压缩机得故障，也不需人为反复重新将空调器按键启动开机与设置工作模式和状态了。可以保证在任何情况下出现瞬间停电时都能使空调机得到保护并自动安全地进入正常工作状态.避免因瞬间停电造成压缩机起动负荷过大而受损.有效地减少故障,延长使用寿命.-This air-conditioner circular telegram time delay start p
ads7809
- ADS7809是Burr-Brown公司推出的高精度AD采集芯片。它采用5V单电源供电,内含16位 逐次逼近寄存器,采样精度高,功耗小。 用Verilog实现其配置-ADS7809 is a Burr-Brown Introduces High Precision AD capture chip. It uses a single 5V supply, with 16-bit successive approximation register, sampling and high pre
TLC5620
- The TLC5620C and TLC5620I are quadruple 8-bit voltage output digital-to-analog converters (DACs) with buffered reference inputs (high impedance). The DACs produce an output voltage that ranges between either one or two times the reference voltage
CXA1019
- 本调频收音机主要由FM/AM收音机芯片CXA1019、PLL且频率合成器BU2614和单片机AT98C51组成。收音机以单片机AT98C51为控制核心, 实现全频搜索、指定频率范围搜索和手动搜索电台 本收音机还使用了数字电位器(X9511)控制音量。采用液晶显示器显示载频和时钟等信息, 大幅度降低了系统的功耗。整机实现3V 电源工作, 采用E2PROM(AT24C04)存储电台, 还增加了立体声解码功能。-Mainly by the FM radio FM/AM radio IC CXA1019
automation-control--system
- 楼宇自控系统就是对大厦内的各种几点设备进行全面的计算机监控管理。 如空调系统、信封系统、给排水系统、变配电系统等等。通过对各个进行监控和信息记录，实现分散节能控制和集中科学管理。为建筑物的用户提供良好的工作环境。为建筑物的管理提供-Building automation system is the various points on the building of computer equipment to conduct a comprehensive monitoring and manag
PCD8544
- 48x84点矩阵LCD控制/驱动 nokia5110-The PCD8544 is a low power CMOS LCD controller/driver, designed to drive a graphic display of 48 rows and 84 columns. All necessary functions for the display are provided in a single chip, including on-chip generati
uc3824
- The UC1824 family of PWM control devices is · Practical Operation Switching Frequencies to optimized for high frequency switched mode power 1 MHz supply applications.
module-Temperature
- DS18B20引脚功能 GND地，DQ数据总线，VDD电源电压 18B20共有三种形式的存储器资源，它们分别是： ROM 只读存储器，用于存放DS18B20ID编码，其前八位是单线系列编码，后面48位是芯片唯一的序列号，最后8位是以上56位的CRC码。DS18B20共64位ROM RAM 数据暂存器，数据掉电后丢失，共9个字节，每个字节8位，第1、2个字节是温度转换后的数据值信息，EEPROM 非易失性记忆体，用于存放长期需要保存的数据，上下限温度报警值和校验数据
BA6845FS
- The BA6845FS is a stepping motor driver with a maximum output current of 1.0A. The logic input allows three output modes : forward, reverse, and power save. The IC has a low output saturation voltage and is capable of driving motors at low supply
IRM8601S
- The BA6845FS is a stepping motor driver with a maximum output current of 1.0A. The logic input allows three output modes : forward, reverse, and power save. The IC has a low output saturation voltage and is capable of driving motors at low supply
TLC5615[1]
- TLC5615C, TLC5615I 10-BIT DIGITAL-TO-ANALOG CONVERTERS -10-Bit CMOS Voltage Output DAC in an 8-Terminal Package 5-V Single Supply Operation 3-Wire Serial Interface High-Impedance Reference Inputs Voltage Output Range . . . 2 Times the
LD7575-DS-04b[1]
- Green-Mode PWM Controller with High-Voltage Start-Up Circuit The LD7575 is a current-mode PWM controller with excellent power-saving operation. It features a highvoltage current source to directly supply the startup current from bulk cap
msp430x41x
- 低电源电压范围为1.8 V至3.6 V 超低功耗： - 主动模式：280μA，在1 MHz，2.2伏 - 待机模式：1.1μA - 关闭模式（RAM保持）：0.1μA 五省电模式 欠待机模式唤醒 超过6微秒 16位RISC架构， 125 ns指令周期时间 12位A/ D转换器具有内部 参考，采样和保持，并 AutoScan功能 16位Timer_B随着三† 或七‡ 捕捉/比较随着阴影寄存器 具有三个16位定时
lpcxpresso.getting.started
- The LPC1769 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 120 MHz. Features include 512 kB of flash memory, 64 kB of data memory, Ethernet MAC, USB Device/Ho
E01-M24L01P
- E01-M24L01P模块，2.4G无线模块，最大传输速率为2Mbps。Worldwide 2.4GHz ISM band operation • 250kbps, 1Mbps and 2Mbps on air data rates • Ultra low power operation • 11.3mA TX at 0dBm output power • 13.5mA RX at 2Mbps air data rate ̶
PCF8951
- PCF8591是一个单片集成、单独供电、低功耗、8-bit CMOS 数据获取器件。PCF8591 具有 4 个模拟输入、1 个模拟输出和 1 个串行I2C总线接口。PCF8591的 3个地址引脚A0, A1和A2 可 用于硬件地址编程，允许在同个I2C 总线上接入8个PCF8591器 件，而无需额外的硬件。在PCF8591器件上输入输出的地址、控 制和数据信号都是通过双线双向 I2C 总线以串行的方式进行传输。 -PCF8591 is a monolithic, s
SD_power
- 本单相正弦波逆变电源的设计，以12V蓄电池作为输入，输出为36V、50Hz的标准正弦波交流电。该电源采用推挽升压和全桥逆变两级变换，在控制电路上，前级推挽升压电路采用SG3525芯片控制，闭环反馈；逆变部分采用驱动芯片IR2110进行全桥逆变，采用U3990F6完成SPWM的调制，后级输出采用电流互感器进行采样反馈，形成双重反馈环节，增加了电源的稳定性；在保护上，具有输出过载、短路保护、过流保护、空载保护等多重保护功能电路，增强了该电源的可靠性和安全性；输出交流电压通过AD637的真有效值转换后
AD7865
- The AD7865 is a fast, low power, four-channel simultaneous sampling 14-bit A/D converter that operates from a single 5 V supply. The part contains a 2.4 μs successive approximation ADC, four track/hold amplifiers, 2.5 V reference, on-chip clock