[backcolor=rgb(222, 240, 251)]I use two boards for Bluetooth communication. [/backcolor] [backcolor=rgb(222, 240, 251)]The big board is STM32F767, and the Bluetooth module is the following [/backcolor...
I'd like to ask the omnipotent forum masters whether there is a problem with the hardware circuit design. When the network cable is connected, the network port LED will not light up, not to mention th...
The smart grid and energy industries are evolving and becoming more efficient, but these efficiencies bring with them specific processor requirements. Embedded processing technology is what gives smar...
EMC signal integrity test 1---get out of the metaphysics
Whether we enter the industry of electronic engineers from 51 single-chip microcomputers, STM32 circuits, op amps, sensors, ADC acquisition or ...
[i=s]This post was last edited by freebsder on 2019-4-27 14:28[/i] [align=left]1. Host Control Interface Protocol HCI[/align][align=left]Bluetooth Host-Host Control Model[/align][align=left] [img]http...
As usual, the successor to Qualcomm Snapdragon 888 will officially debut at the end of this year and go into mass production and commercial use in early 2022. 目前关于高通下一代旗舰处理器的细节众说纷纭，沈义人提出了自己的...[Details]
ARM processor 7 types of exceptions The order of priority from high to low is as follows: Reset abnormality (Reset) Data Abort Fast Interrupt Exception (FIQ) External interrupt exception (I...[Details]
Experts revealed: "During the production process of lead-acid batteries, a variety of lead-containing fumes and lead dust are inevitably produced. Generally, 63.2 kilograms of lead dust will be gen...[Details]
The CETRAN Smart Car Test Center, jointly developed by the Land Transport Authority (LTA), Nanyang Technological University (NTU) and JTC, is the first autonomous driving test center in Southeast A...[Details]
By Bob Hanrahan Texas Instruments Last time, I published the first of three articles on “How to Test Power Supply Designs”: Power Supply Testing, Efficiency Measurements, which covered the basics ...[Details]
It was easy to port to Youshan 2440, because its 4.3.2 cross compiler and other library files were well done. But when porting to Tianmo devkit8000, I encountered many problems. A month ago, I encount...[Details]
EMI is translated into Chinese as electromagnetic interference. In fact, all electrical equipment will have electromagnetic interference. It's just that the severity varies. Electromagnetic interfere...[Details]
The program uses the assembly code that was successfully compiled before. Then use the following script to debug the script /*** Use Configuration !disalbe! Wizard in Context Menu ***/ /*Nam...[Details]
Recently, according to Tianyancha data, Smartisan Technology (Beijing) Co., Ltd. added four new equity pledge information. Luo Yonghao pledged his equity to Beijing Junxin Legend Public Relations Con...[Details]
ISA bus was first used as a system bus, mainly in IBM-PC and IBM-PC/XT series computers, and later became an industrial bus standard, which had a profound impact. Due to the continuous development of ...[Details]
Starting in late September, Apple began allowing users to rate first-party apps pre-installed in the App Store, bringing it in line with third-party apps. Apple previously did not allow ratings for i...[Details]
To test the quality of infrared light-emitting diodes, you can use the same method to test the forward and reverse resistance of ordinary silicon diodes. Set the multimeter to R 100 or R 1K, co...[Details]
Shanghai, China, August 30-September 1, the 2nd International Energy Storage Exhibition and the 10th China International Solar Storage and Charging Conference, themed "Solar Storage and Charging De...[Details]
In the past month, Tesla's stock price has been rising, and its market value has now exceeded $100 billion. As of this morning, Tesla's stock price rose further in after-hours trading on Tuesday, ...[Details]
The rotary kiln is a key process equipment for cement clinker calcination, and the kiln lining is the key factor for high quality, high yield, low consumption and long-term safe operation of the rota...[Details]
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