Regarding the relationship between capacitance and frequency, coupling capacitors, filter capacitors, bypass capacitors, etc. are often used in amplifier circuits. I want to know the relationship betw...
I recently made a switch with RS485 interface, using TI's SN75LBC184 chip. The schematic diagram is as followsMCU uses serial port to transfer to 485 through hardware circuit. The 485 circuit on the u...
introductionAt present, the research on smart home mainly takes hardware devices equipped with STM32 chips[1] as the central controller. At the same time, most smart home cloud platforms are built on ...
SummaryNoisecan sometimes have unpredictable effects on the DUT. Therefore, if the DUT is sensitive to noise in the DC power supply input, it is necessary to reduce the input noise as much as possible...
Modify the ZDApp_event_loop() function in ZDApp.c and add a section of code before calling ZDO_StartDevice(…), that is, before the terminal device scans the network and requests to join the network. W...
In the three years "stolen by the epidemic", EDR regulations have also experienced a tortuous and complicated process including delays in release and implementation, coordination of GB 7258 amendme...[Details]
Introduction
RFID middleware acts as a bridge between RFID readers and applications. The application side uses a set of common application program interfaces (APIs) provided by the middleware t...[Details]
Today I would like to share with you the scrolling mode of the ZDS2022 oscilloscope. When it comes to scroll mode, you may feel unfamiliar with it. Let's first understand what scroll mode is. Fig...[Details]
Recently, the Guangzhou Development and Reform Commission issued a letter in response to Proposal No. 1057 of the Third Session of the 14th Guangzhou CPPCC Committee, which comprehensively summariz...[Details]
CATL issued an announcement that it plans to invest in the construction of the CATL new lithium battery production and manufacturing base (Yichun) project in Yichun City, Jiangxi Province, with a tot...[Details]
On December 12, Kaiwang Technology issued an announcement that the number of shares to be publicly issued this time is 23.96 million shares, and the total share capital of the company after the issua...[Details]
July 3, 2023, Beijing, China - Teradyne, a global advanced automatic test equipment supplier, announced that it was invited to attend the "Advanced Packaging Forum - Heterogeneous Integration" event ...[Details]
Moisture meter application experiment: Moisture determination of yogurt No. M-3
Experimental objectives and requirements
The moisture content of yogurt was analyzed quickly and directly using the s...[Details]
There have been constant reports that Apple is working on a foldable iPhone, with Bloomberg earlier reporting that Apple has begun "early work" on developing an iPhone with a foldable display that us...[Details]
Some time ago, I started to lead students in graduation projects. A student wanted to make an electronic clock and asked me how to do it. I told him that it had to be a little professional, otherw...[Details]
Electronic equipment manufacturers often use electromagnetic interference ( EMI ) and radio frequency interference ( RFI) shielding measures to protect sensitive digital circuits from external radiat...[Details]
After Japan announced on the 1st that it would restrict the export of some semiconductor and display materials to South Korea, Samsung Electronics Vice Chairman Lee Jae-yong made an emergency busines...[Details]
1 Introduction
Accurate fault location of high-voltage transmission lines in power systems is one of the effective ways to ensure safe and stable operation of the system. Modern travelin...[Details]
New energy storage is a key link in the development of new energy and a key technology to support new power systems. At present, the large-scale application of new energy storage in my country is show...[Details]
Abstract: According to the ITU2R BT. 656 television video coding principle, the effective data of each frame of video image is extracted through hardware decoding and transmitted to
the player
f...[Details]