It's no longer useful... And if you want to play around with NAS, get one if you can... It's absolutely freezing... It's good for cannon fodder or anything... 1. Two MSP430 boards are packed for 10 yu...
TV, air conditioner, router... How do you "manage" these appliances when you are not at home? Turn off the power? Or "let them go" on standby. Recently, the reporter used a professional-grade power mo...
Why do these errors occur when compiling with Keil mdk 4.12? Ads1.2 does not.S3C2440\source\2440init.s(456): error: A1516E: Bad symbol 'Image$$RO$$Base', not defined or external
S3C2440\source\2440ini...
LED lamps may eventually replace energy-saving lamps. I am now sorting out some materials on how the model of LED lamp housing can replace a certain model of energy-saving lamps.For example, if I say ...
Now I have a new project, I have the schematic diagram and BOM data, but I really don't know what current the lamp bead should be used for? Is there any expert who can give me a calculation company! F...
[font=微软雅黑][size=4] Hi, 2016 is here, new goals, new life, new atmosphere... come one after another. [/size][/font]{:1_107:} [font=微软雅黑][size=4]Did you know? [/size][/font][color=#ff00][font=微软雅黑][siz...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]