I went for an interview on March 28, 2012. The school organized an excellent electronic engineering training. I was a little nervous during the interview. Now I am fine. I finally know that I succeede...
I recently designed a solar LED desk lamp with a power of 4-8W. It can be used as a reading lamp and bedside lamp. It can be charged by solar energy and AC power. The AC charger is external (isolated)...
I defined some global variables, some of which are handled separately for cold start and warm start of the system. I gave initial values to variables that do not need to be initialized to zero in warm...
[i=s]This post was last edited by zhaojun_xf on 2017-6-27 07:57[/i] [color=#000]With the rise of the Internet of Things, MQTT[/color][color=rgb(0, 0, 0)] [/color][color=#000]as a simple and efficient ...
Today, Linux is widely used in the development of various embedded devices, such as digital TV
, set-top boxes, DVR players, xDSL/cable/PON modems, home routers and gateways.
Especially suitable for d...
What tool should I use for Verilog DHL? I read in a book that Xilinx ISE v9.1 should be used, but when I looked online, it was several GB. Do I really need to download such a large software? Are there...
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
LED definition
In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release the excess energy in the fo...[Details]
Figure 1 Solar panels on photovoltaic roofs "spontaneously combust"
Recently, a solar panel in a photovoltaic power station in Germany caught fire. The burning scene was horrific. It i...[Details]
1 Introduction
With the increasing severity of environmental pollution and the development of new energy, bidirectional DC converters have been used more and more widely, such as DC uninte...[Details]
Overview
Modern
amplifier RF instruments
have impressive measurement capabilities and accuracy far exceeding their predecessors. However, these instruments cannot reach their full pote...[Details]
There are multiple methods for measuring the temperature of electrical contacts in power transmission and distribution. The more traditional methods include temperature measurement wax sheet method...[Details]
How to cleverly measure the power consumption current
of electronic watches The power consumption current of electronic watches is an important quality indicator of electronic watc...[Details]
1 Energy saving and consumption reduction is one of the important indicators for assessing the level of data center room construction
In recent years, with the sharp increase in energy consump...[Details]
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