Recently, due to work needs, I started to get in touch with Bluetooth Mesh. I looked it up and found that Bluetooth Mesh was not long ago, probably in 2017, so it has been 4 years now. Although I am n...
April Reading Festival, good books will enlighten the world~hello, everyone~I am here to urge progress and encourage everyone to read good books. I recommend good books to you all, okhxyyo~Come and re...
I need help from all the experts: When I use the max6675 chip to read the thermocouple, I accidentally find that the temperature of the thermocouple is 20477 or 0. What is the reason? Has anyone encou...
Why is the lower arm PNP transistor of the H-bridge push-pull circuit often damaged, and the three legs of the transistor are directly short-circuited?...
As the title says, everyone is welcome to chat.
For example, for commonly used interfaces such as RS485, IIC, SPI, CAN, etc., do you know the common circuit structure and electrical level range, such ...
In the afternoon, they played against Serbia and won 3:0, securing the championship one round ahead of schedule. Thus, the Chinese women's volleyball team completed the feat of winning the world champ...
The Munich Shanghai Electronics Show, known as the weathervane of China's electronics industry, will be held grandly at the Shanghai National Convention and Exhibition Center from July 3 to 5, 2020. ...[Details]
O Introduction
LED display is a flat display screen composed of light-emitting diode dot matrix modules or pixel units. It has the advantages of high luminous efficiency, long service life, flexible...[Details]
In the sixth beta of iOS 14.5, Apple introduced a recalibration process for the battery health reporting system on iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max to address inaccurate battery health...[Details]
By David Haynes, Ph.D., Executive Director of Strategic Marketing, Customer Support Division, Lam Research As a materials engineer, I am very proud that material innovation has driven major advance...[Details]
If the load current Io is reduced, the input current Ii is also reduced accordingly. Without considering the loss of the converter, U. I. =UiIi. When I. is small to a certain value, the minimum val...[Details]
Preface
Athena 2.0 is a chassis developed by Slamtec that is equipped with a new SLAM autonomous positioning and navigation system and laser vision multiple navigation solutions. It can au...[Details]
On December 12, according to foreign media reports, Bank of America analyst Tal Liani said that by fiscal 2022, Apple may contribute $4 billion in revenue to Qualcomm. ...[Details]
The gas turbine flowmeter is a gas medium measuring instrument that is particularly common in industrial production. Its working principle is: the measured gas entering the flowmeter is accelerated b...[Details]
realme held a new product launch conference in New Delhi, India, and officially launched its first true wireless headset, realme Buds Air. It will be available on December 23 and will be available in...[Details]
This week, the A-share market has received good news. BYD, a new energy vehicle industry chain manufacturer, has officially surpassed the 500 billion yuan mark in total market value, becoming the fir...[Details]
SPM operation steps: 1. Check if the SPM operation has been completed 2. Save the status register and disable interrupts 3. Check whether there is an EEPROM write operation currently 4. Execu...[Details]
According to analyst Jeff Pu, Apple plans to release an iPhone SE equipped with a custom-designed 5G modem in 2025. The modem will be manufactured by Apple's chipmaking partner TSMC, he said in a res...[Details]
1. Problems and Phenomena
There is no problem in using USART_SendData() function to send single characters non-continuously; when sending characters continuously (no delay between two c...[Details]
In the last article , we mentioned the most commonly used options for program optimization in DSP programming, mainly including -O1, -O2, -O3, -O4, etc. Although we use DSP as an example, for...[Details]
Automotive chip grade
According to the automotive electronics standards set by the United States, automotive chips are divided into five levels, the smaller the number, the higher the level.
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