[p=21, null, left][size=14px][b]4. Overview of Cortex-M3[/b][/size][/p][p=21, null, left][size=14px][font=微软雅黑]([/font]1) Introduction[/size][/p][p=21, null, left][size=14px]Cortex-M3 is a 32-bit proc...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] According to the "2008 China Consumer Electronics Market Annual Conference" held in Shenzhen, the overall scale of China's consu...
How much is a person who knows hardware + PCB design + Linux + FPGA worth? I am preparing to learn Linux and FPGA, and I want to know what the general market price of such a person is...
Last night, I accidentally modified the SWM_FIXED_SWCLK pin, and the lpc824 board became a brick. I would like to ask for your advice. The board SWD pins are SWM_FIXED_SWCLK and SWM_FIXED_SWDIO, which...
The most difficult problem I'm facing now is the power supply of the amplifier. The description is too vague. It is indeed difficult to realize the function with a single 12V power supply. Can I use 2...
[font=Verdana, Helvetica, Arial, sans-serif]The passband of the 32nd-order polyphase downsampling low-pass filter I designed is [0:4Khz], the cutoff frequency is 4.5Khz, and the input signal sampling ...
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 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]