Sensors, converters, processors, and transceivers, these devices collect and transmit data, this is where the Internet of Things begins. Intelligence, high precision, and reliability are essential, an...
[i=s]This post was last edited by qditz on 2020-1-17 15:36[/i]In the most beautiful season, meet the most beautiful Qingdao. Every picture seems familiar, and every picture makes you and me linger. Lo...
Forum friends, is there a Zigbee technical exchange group (QQ group or WeChat group)? Please share it. . . It is mainly to facilitate real-time communication and timely exchange of doubts. I am starti...
I saw the news this morning. Maybe someone will be interested, so I’m sharing it here.ST's EVL400W-EUPL7 evaluation board is a ready-made 400W power supply solution that meets today's most stringent e...
**1. Subject** Tina Wireless Network WiFimanger2.0 User Guide**2. Problem Background** Products: All products that need wireless Hardware: V853 + XR829 Software: Tina4.0 + Wi-Fi \ **3. Problem Analysi...
Recently, Jiwei.com has counted the number of mobile phone and semiconductor companies that have successfully passed IPOs in 2020. According to incomplete statistics, from January to December, a tota...[Details]
In recent years, the research progress of Raman spectroscopy technology has been accelerating, and many research results have been achieved. Many instrument companies have also launched new Raman spe...[Details]
Label: FSQU Function: Square of floating point number
Entry condition: Operand is in .
Exit information: When OV=0, the square value is still in . When OV=1, it overflows.
Affected resources: PSW, ...[Details]
How to use the inverter and adjust its parameters
The use and parameter adjustment of the inverter need to follow the following steps:
Confirm motor parameters: Before using the inverter,...[Details]
DXOMARK announced the camera score of Samsung Galaxy S20+ - 118 points, ranking tenth. DXOMARK said that the Samsung Galaxy S20+, which scored 118 points, is a smartphone with excellent camera perfor...[Details]
1 Introduction Today, LEDs are widely used in LCD backlights, automobiles, traffic lights, and general lighting. According to IEC 61000-3-2 Class C regulations, power factor correction (PFC) is...[Details]
The narrowband voice hiding technology proposed in the communication system designed in this scheme overcomes the shortcomings of conventional voice masking media, which has a large amount of data an...[Details]
On the morning of November 14, Nanjing City, Jiangsu Province held an emergency drill for the 2019 large-scale power outage.
The drill simulated that the Nanjing area was hit by severe convect...[Details]
On August 26, the first batch of DC smart street lamp projects, a multifunctional composite pole demonstration project led by State Grid Xiong'an New Area Power Supply Company, was launched at the ...[Details]
On December 17, NIO Chairman Li Bin personally tested the thousand-mile endurance of the semi-solid battery pack installed in the smart pure electric vehicle ET7 for 14 hours in the cold winter, and ...[Details]
Regarding the use of semaphores, the program's own help file explains:
A semaphore (mutex) is an object used to protect access to a shared resource. The code that accesses the shared resource is call...[Details]
1. Working principle of watchdog
The S3C44B0X watchdog timer is used to continue the control operation in the case of interference such as noise and system errors. It can also be used as a 16-b...[Details]
Applications of analog filters
Analog filters are commonly used conversion devices in test systems or special instruments. For example, bandpass filters are used as frequency selection devices...[Details]
1. Introduction
In modern large parking lots, the intelligent parking management system makes vehicle entry and exit procedures simple and safe, and realizes the functions of automatic det...[Details]
Fault phenomenon The electric fan is spinning, the instrument screen is black, and the 4 feet at the bottom are missing. Testing process The engineer turned on the machine for inspection and found ...[Details]
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