This book is divided into 7 chapters, which introduce seven types of typical circuits in concise language: ordinary resistor circuits, variable resistor and potentiometer circuits, capacitor circuits,...
The demand for electrical energy in cars is growing as demand for autonomous driving functions as well as comfort, convenience and infotainment features continues to grow. Today's cars have an increas...
[i=s]This post was last edited by yhye2world on 2019-8-15 15:10[/i]As shown below, RS232 to RS485 passive converter;
The terminal board on the RS485 port side is lost.Now I want to use a DB9 connector...
When debugging MQTT, because multiple modules and the same program were used, it was found that during the debugging process, when one module was online, it would squeeze out the connection of another...
Starting from now - June 16, the channel for exchanging TI points for chip points has been opened. During this period, the full amount can be exchanged according to the exchange rate. After June 24, t...
According to foreign media reports, Tesla has reached a procurement agreement with LG, and the future domestic version of Model 3 will use NCM811 batteries produced by LG Chem in Nanjing Xingang Deve...[Details]
Apple employees working at the Apple Store at New York City's Grand Central Terminal are working to form a union, and they have made their first demand: they are demanding at least $30 (about 1...[Details]
After getting the new energy production and some insurance data in September, most car companies have reached a consensus this year to expand into the C-end and high-end. From January to August this ...[Details]
Jingyuzu, a brand under JD.com, released this neckband Bluetooth headset in the first half of this year. In the past two years, the Bluetooth headset market has developed rapidly, with many products ...[Details]
Researchers at the University of Aberdeen have discovered a new compound that may allow fuel cells to operate at lower temperatures, thereby ensuring that the fuel cells have the characteristics of l...[Details]
The micro-moisture meter is also known as the Karl Fischer moisture meter. Similar instruments include moisture meter, moisture meter, moisture meter, moisture detector, moisture measuring instrument...[Details]
With the increasing popularity of big data, the demand for core network transmission bandwidth has increased significantly every year, so transmission technology also needs to be further developed to...[Details]
At present, almost all mobile phone manufacturers on the market have added IP68 waterproof rating to their flagship products to ensure that users will not be troubled by water when using the devices ...[Details]
GPIO simulation I2C is a commonly used application in embedded systems. There are different practices in different places. According to my personal understanding, it is best to separate the vario...[Details]
Everyone knows that making a PCB board is to turn the designed schematic diagram into a real PCB circuit board. Please don't underestimate this process. There are many things that work in principle b...[Details]
STM32 serial port transmission must first detect the status, otherwise the first byte cannot be sent. After the transmission is completed, it is necessary to detect whether the transmission status is ...[Details]
1. First, let's take a look at its interrupt vector table: From the interrupt vector table, we can see that if any IRQ interrupt source generates an interrupt, the CPU will read instructions at add...[Details]
On October 14, 2021, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary U-Shang has launched a social distance sensor so...[Details]
Last night, Samsung officially released the new flagship Galaxy Note20 and Galaxy Note20 Ultra. Razer also launched the Arctech series of protective cases for the new phones. This series was pr...[Details]
AC power control circuit is an important part of modern power system, which involves the control and regulation of AC power. In practical applications, there are many control methods for AC power c...[Details]