This article discusses the PCB layout of a power supply circuit that generates a regulated 3.3 V rail from a small solar cell. My goal in this project was to create a very simple, very compact circuit...
1. The bq24650 output voltage is abnormal and cannot be chargedNow I have a problem. The connection of bq24650 is as shown in the figure. The setting is 6V input and 4.2V output. But if the input volt...
When starting a new design, most of the time is spent on circuit design and component selection, and the PCB layout and routing stage is often not considered carefully due to lack of experience.
Failu...
[i=s]This post was last edited by DavidZH on 2019-5-1 16:06[/i] As an electronics enthusiast, DIY is inevitable. As the saying goes, a good tool is a must. I have been paying attention to an ultrasoni...
introduction
In traditional control systems, a single-chip microcomputer is usually used as the control core and supplemented with corresponding components to form a whole. However, this...[Details]
Recently, Shenzhen BYD Power Battery Co., Ltd. and Kaiwo New Energy Vehicle Group Co., Ltd. held a strategic cooperation signing ceremony in Nanjing. The two parties established a long-term strategic...[Details]
Before using an insulation resistance meter to measure insulation resistance, the following checks should be done: (1) Check whether the equipment under test has been cut off and discharge the short ...[Details]
1. About the coprocessor XGATE The S12XE series dual-core microcontroller launched by Freescale integrates a programmable RISC core XGATE coprocessor (dual-core) that is specifically used to handle...[Details]
According to the latest report from market research firm Yole, the IGBT market has returned to a stable growth pace this year after a slight abnormal decline in 2011-2012. Specifically, the market is...[Details]
1 Introduction In embedded systems, embedded processors based on ARM micro-core have become the mainstream of the market. With the widespread application of ARM technology, building an embedded o...[Details]
Absolute address
An absolute address consists of an address identifier and a memory location (for example, Q 4.0, I 1.1, M 2.0, FB21).
Symbolic Address
Assigning symbolic names...[Details]
Have you noticed how addicted people are to their mobile devices, especially smartphones? They use their smartphones to surf the web, check and write emails, play online games, or update social net...[Details]
1 Introduction LED dot matrix is needed to display graphics and Chinese characters in more and more places such as large shopping malls, stations, docks, subway stations and various service win...[Details]
I haven't taken notes for two days. It's not that I'm lazy, because I have written quite a few programs in these two days, but there are some problems that I haven't figured out, so I didn't take not...[Details]
This is a simple FM tracking transmitter circuit project. Here is the FM transmitter tracker diagram:
Components list:
R1 = 10K
C1 = 100uF/10V
C2 = 10nF
C3 = 4-40pF t...[Details]
On July 19, Toposens, a high-tech startup in Munich, Germany, announced the launch of its first commercial Toposens 3D ultrasonic anti-collision sensor ECHO ONE® for mobile robots. The sensor is ba...[Details]
Xilinx's automotive-grade product line is expanding from edge sensors to complex domain controllers. November 12, 2019, Beijing, China - Xilinx, Inc. ( NAS DAQ: XLNX), the global leader in adap...[Details]
1 Introduction
As RFID technology develops rapidly and is increasingly widely used, two problems have also emerged: first, in such a large market, there are many protocols and various read...[Details]
Since graduating from my master's degree, I have been working in the automotive embedded industry for three years. Compared with school projects, company projects have stricter requirements on code...[Details]
PCB Design
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