Hello everyone, I am a newcomer. A few days ago, when we were doing a low-temperature test on an electronic product, the entire part controlled by the microcontroller failed. After being placed at roo...
When the time accuracy is very high, typical clock chips are: DS1302, DS12887, X1203, etc., which can meet the high-precision requirements. The more accurate one is the SD2000 series produced by Shenz...
Group buying websites for food, drinks and entertainment are all the rage these days. However, have you ever heard of group buying for brides? Recently, a so-called "Vietnamese bride matchmaking group...
You can pay attention to each section, some very old posts have been pushed up, but when I looked carefully, it turned out to be the same person! ~It seems that everyone should "learn" from this class...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:28[/i] Design of intelligent recording and playback system based on ISD4000 series chip ([url=http://www.nkcpu.cn]www.nkcpu.cn[/url]...
I have been engaged in pure hardware development for more than a year since graduation. I am familiar with various test equipment, but I know nothing about software. I am self-studying the development...
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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[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]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
MCU
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