The serial port uses RS422, and the conversion chip uses MAX3490. I don't know how to connect MAX3490 with stm32. Please drop a group of masters to smash me to death:time:...
Regarding the reference source, I need to use two reference voltages, 1.25V and 2.5V, in my circuit. a: 1.25V is used as a constant current source b: 2.5V is used as a reference voltage for ADC. The q...
Let me talk about my background: I graduated from a junior college in 2009. After graduation, I worked in Shanghai for one year, and then in Shenzhen. In total, I have worked for three years. Three ye...
Today, in order to familiarize myself with a new project, I need to check a lot of device information. I remember that the device information on our website is pretty good, so I checked it. It's reall...
I am currently doing a special research to achieve fast and accurate measurement of voltage on the inverter unit board. Currently, voltage measurement generally uses sampling resistors for voltage div...
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
The second-generation Snapdragon W5+ and second-generation Snapdragon W5 platforms support users sending and receiving messages via satellite when there is no cellular and Wi-Fi coverage.
...[Details]
Silicon Labs (also known as "Silicon Labs"), an innovative leader in low-power wireless connectivity, will showcase its cutting-edge artificial intelligence (AI) and Internet of Things (IoT) solu...[Details]
Renesas Electronics introduces a new USB-C power solution with an innovative three-level topology.
Improve performance while reducing system size
New solution combines excel...[Details]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]