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c8051f_flash
- c8051f单片机支持软件读写flash操作例程与相关资料，使得能过无需外接eeprom等存储器，就能保存非易失性数据（掉电不丢失的数据）。-c8051f MCU support software routines to read and write flash operation with relevant information, It would make no such external eeprom memory, we will be able to preserve nonvola
Transformer_alarm
- 变压器防盗报警器源码、原理图和PCB(protel 2004).MCU是STC89C58RD+.变压器防盗报警装置是针对野外的基站低压变压器被盗现象严重而开发的一种智能防盗报警系统。该装置采用RS422/ RS485通信手段，传输稳定可靠，维护方便等特点。弥补了传统集群式系统功耗高，通信距离短，购买价格昂贵等缺点。该产品采用高集成度的单片机作为控制核心，具有功能强，体积小，运行可靠等特点。-Transformer burglar alarm.Sound code, schematic diagr
daling
- 1、用LED数码管显示时、分、秒时间，尽量减少时间积累误差，具有秒闪功能。 2、最多能设置40个打铃时间点，打铃时间点数据用非易失存储器存储，防止掉电丢失数据；能逐个检查、修改、删除已设置的打铃时间点和增加打铃时间点。 3、对时、打铃时间点用键盘设置，键盘设计简单、易于操作。 4、具有强电驱动功能，便于控制220V的电铃。-1, with LED digital display hours, minutes, seconds, to minimize the tim
flash-
- msp430内部flash（掉电不丢失储存）的读写程序。-msp430 internal flash (power-down without loss of storage) to read and write procedures.
EEPROM_Storage.c
- safely use EEPROM storage in applications where power loss is a significant risk
Improving-RFID-Efficiently
- A major problem with RFID systems is that a tag might not be read, in spite of being in the reader’s range, due to collisions[4]. A collision is said to have occurred when various devices interfere with each others’ operations, or their simultane
eeprom-counter
- 对外部事件实现计数，芯片AT89S8252启动了EEPROM功能 掉电后不丢失数据 可用于设备追回余款等功能。开发人LYC-External events to achieve count, chip AT89S8252 EEPROM function started after power-down equipment, without loss of data can be used to recover balance and other functions. Developers LYC
lesson10-1
- 用80c51单片机编写时钟控制程序，断电后丢失。适用于初学者-Write clock with 80c51 microcontroller control program, after power loss. For beginners
STATCOM--main-circuit-device-design
- 电力系统中要求电压稳定度和无功功率满足一定的技术指标，利用带独立直流电源的级 联式多电平逆变器和多电平逆变器最优化谐波台阶式调制技术(OHSW)设计的STATCOM装置， 可以使电力系统中的电压得到稳定以及无功功率和谐波得到有效补偿。本文主要介绍了STAT- COM装置主电路的设计，主电路是STATCOM装置与系统进行交换有功功率与无功功率的环节。 该装置具有输出谐波含量低、损耗小、性能可靠等优点。-Requirements of power system voltage sta
PWM_Techniques_final-pure-sien
- The ever-increasing reliance on electronic devices which utilize AC power highlights the problems associated with the unexpected loss of power from the electrical grid. In places where the electrical infrastructure is not well-developed, brown-outs c
Electronic-thermometer
- 电子体温计，带USB接口的，可储存最多10组所测温度数据，断电不丢失-Electronic thermometer, with USB interface, which can store up to10 groups of the measured temperature data, power loss
stc15F104E
- STC一键下载器，使用过STC单片机或是对其有一定了解的读者应该知道， 在使用STC-ISP软件下载程序的过程中，我们需要进行一次上 电冷启动。这在下载程序不是很频繁的情况下，也许并没有什 么麻烦，但是如果对于一个初学单片机的人而言，其编写的程 序能力还有待提高，需要一次次的下载程序以检验程序是否正确，每次下载都需要进行重新上电冷启动，这不仅给使用者增 加了不便同时也加剧了开关器件的损耗。-STC one-click download, STC SCM or have a c
EEPROM
- STC单片机内部EEPROM，不加外围设备进行数据断电保存，防止丢失数据-STC MCU internal EEPROM, without peripheral equipment for data power save, prevent data loss
JDQ
- P1.4引脚控制三极管再由三极管控制继电器 输出1三极管导通继电器得电吸合，输出0三极管截止继电器失电断开-The P1.4 pin control triode again by the triode control relay output 1 triode relay is attracted, the output of the 0 transistor cut-off relay power loss off
-C51-ds12887
- MCS-51单片机与时钟日历芯片接口。内含一个锂电池，断电后运行十年以上不丢失数据。 -MCS-51 microcontroller chip interface with clock calendar. Containing a lithium battery, more than a decade after the power runs without loss of data.
Power bank
- 单节电池两路输出(5V/2A)行动电源。 精简零组件 4段LED电量显示、以GPIO直推高亮度手电筒功能，不须外加三极管。 完整保护、高转换效率充/放电电池端之过压保护、过流保护和过温保护，并可减少功率损耗，放电转换效率最高93%。(A single - cell battery two - way output (5V/2A) power supply. Simplification of zero components The 4 section of LED power