Is the price of a crystal oscillator generally around RMB 1.00? Some time ago, I encountered an 8M ceramic oscillator, and the supplier quoted a price of 11 yuan. I wonder what the reason is?...
Personal information: I graduated from a computer science degree and have been engaged in embedded development for three years. I am familiar with Linux, UCOS, ARM, etc. Based on the principle of tran...
The speed of SPI is set to a certain value, and the minimum is about 72M/256=300k. I want a speed of tens of K. Can any expert help me give me an answer? Can the speed of SPI be set to any value?...
I would like to recommend a [b]free[/b] PCB design software: KICAD. It can make up to 32 layers of boards, and the PCB can be viewed in 3D. It is simple and easy to use. It can generate gerber files w...
I want to add a constant string after a string defined by LPTSTR. How can I do this? The code I want to implement is as follows: LPTSTR dialno; GetDlgItemTextW(IDC_EDIT_NO,dialno,MAXLENGTH-1); dialno ...
Yesterday, a sophomore junior told me about the knowledge of capacitors. I was very inspired after listening to it. I found that I had to go through so many learning paths because of my ignorance of c...
On August 24th, Tesla CEO Elon
Musk
revealed information about the upcoming FSD V14, claiming it will outperform human drivers. Tesla FSD lead Ashok stated last year that FSD version 12.5, ...[Details]
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
1. Ease of Use: The HMI module should be designed to be simple and clear, allowing users to easily operate and configure the energy storage device.
2. Ease of Maintenance: The HMI module should...[Details]
On August 22, according to CNBC's report today, the National Highway Traffic Safety Administration (NHTSA) is launching an investigation into Tesla, and the latter is questioned whether it has fail...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
I recently read an article in the Wall Street Journal titled "We need the right to repair our gadgets" (reference original article: ). The author was very angry about the phenomenon of "planned obs...[Details]
The fracture mechanism is stress concentration, which typically occurs at the capacitor lead pins or pad connection points, as shown in the figure. Under vibration, the capacitor lead pins and pad ...[Details]
Batteries are a core component of new energy vehicles, accounting for over 40% of the total cost. This is also the area where automakers are most willing to tamper with costs. Since 2021, domestic ...[Details]
For the average person, an electricity meter is a monthly bill. For beginners, it's a collection of components and parts. For experienced meter engineers, however, it's a complex and complex proces...[Details]
The characteristics of electric vehicles place high demands on the motors they use. To increase top speed, the motor should have high instantaneous power and power density (W/kg); to increase drivi...[Details]
01 Overview
The HJM315A/B is a domestically produced programmable three-phase motor driver specifically designed for small and medium-sized motor gyroscopes. It consists of an MCU, LDO, three-...[Details]
Shock absorbers, as the name implies, are responsible for cushioning and absorbing shocks in a car. So how much do you know about shock absorbers and how to replace them in electric cars?
...[Details]