Dear experts: My product is powered by battery and by power supply. When powered by battery, the discharge meter currently displays the power (because battery power is actually the PDA discharging). W...
The simplest single-chip electronic clock C program is absolutely classic [font=黑体][size=6][color=#ff0033]First, the schematic diagram: [/color][/size][/font] [img]http://www.51c51.com/bbs/images/defa...
The Encryption Theory of Vegetable Farmers --- There is No Thief in the World 1. Preservation of Copyright Information Although the chip is decrypted and can obtain files in BIN and HEX formats, the c...
[url=https://bbs.eeworld.com.cn/thread-80081-16-1.html]https://bbs.eeworld.com.cn/thread-80081-16-1.html[/url] This is the study note written by a friend on the 152nd floor. I think it clearly explain...
I use the SDK provided by Sigma for embedded development. I want to display a boot screen when the board is powered on. I have an example here. However, after turning off the power, the image will be ...
It's too troublesome to ask questions in this forum!!!
When you raise a question, it takes a long time to review before it is published. Hey, can this be changed? Publish it first, then review it, and...
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]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]