[align=left] Now I want to share with you my previous embedded Linux learning journey, talk about my experience and lessons in learning Linux, and hope to help those confused embedded beginners. Accor...
[i=s] This post was last edited by dontium on 2015-1-23 12:55 [/i] I want to implement an MSP430G2553: two keys, 1 press once to output six levels (must be able to maintain!!) and then another combina...
Transformer primary peak current Ipk
Number of primary turns Np Number of secondary turns Ns
Ip_rms is the effective current of the primary winding
Is_rms is the effective current of the secondary win...
I used IAR7.2 to develop library functions for STM32F429 DISCO. I found that the amount of code and RAM usage can reach K. In the generated map file, I found a sentence: Linker created 21 2048, where ...
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. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[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]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[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]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
1 Introduction
This laboratory is mainly based on the characteristics of vocational education. It provides remote PLC technology training and teaching experiment functions for on-campus (studen...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]
Analog electronics
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