I am very grateful to National Technology for giving me this testing opportunity. As an FPGA engineer, this is the first time I use National Technology's MCU. I often used STM series, GD series, etc. ...
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...
As one of the indispensable products in the field of electronic testing and maintenance, the digital multimeter has an increasingly wide range of applications. Digital multimeter
is
...[Details]
With the continuous evolution of trends such as cockpit intelligence and digitization, traditional car audio solutions can no longer meet the diverse audio-visual needs of users. Therefore, the emerg...[Details]
From the perspective of product definition planners,
the two most important
power design
indicators
for portable devices
are continuous working time and standby time. So, for a syste...[Details]
Frequency Converter Fault Codes
PG failure is also a problem we often encounter during use. Generally, open-loop control is not allowed during lifting.
main reason:
1. PG connection ...[Details]
In the process of electronic system design and debugging, voltage measurement is often an indispensable item in the measurement and control or measurement system. For voltage measurement, if it change...[Details]
The grounding protection of street lighting facilities is a major issue related to the safety of national property and people's lives. In order to do a good job of grounding protection and effectiv...[Details]
To measure and control transmit power in multi-carrier wireless infrastructure, root mean square (rms) power detection is required. Traditional power detectors use diode detection or logarithmic ampl...[Details]
For Huawei, they plan to use a more advanced OLED screen for the Mate 40, which will surpass Apple's iPhone 12 in speed this time. According to Korean media reports, BOE is providing Huawei w...[Details]
The Ministry of Industry and Information Technology issued Document No. 25 of the Ministry of Industry and Information Technology's Communications "Notice on Deepening the Comprehensive Development ...[Details]
1. Change the sampling ratio to adjust the output voltage range
In the sampling circuit, connect the potentiometer RW, as shown in Figure Z0722.
When
R
W is adjusted, the output voltage ...[Details]
Following the previous beta version, Apple has now officially launched the public beta version of iOS 13.3.1. In addition to fixing system bugs, the iOS 13.3.1 public beta also improves syst...[Details]
1. Overview
The tuning of the inverted pendulum system is a typical problem in automatic control theory. A lot of relevant information and knowledge can be found on the Internet or in books. T...[Details]
For cars, the most stringent test is the IIHS crash test. Its 25% offset crash test has caused many models to receive poor ratings. On February 24, the Insurance Institute for Highway Safety (IIHS...[Details]
On September 30 this year, the Munich Court in Germany ruled that Lenovo had infringed Nokia's EP1433316 patent and issued an injunction as well as product recalls and damages. Lenovo subsequently ...[Details]
As climate change becomes increasingly serious, humans must take strong measures to significantly reduce carbon emissions. Under the new legislative and policy framework, the automotive industry is...[Details]
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