My sister has just been working for two months. She wants to buy a gift for a very good middle school teacher on Teacher's Day, but she doesn't know what to give. So she gave the task of choosing to m...
[i=s]This post was last edited by hit09 on 2014-11-5 19:55[/i] [align=left]Have you ever encountered this problem? GPIO controls the base of the transistor. When a low level (<0.3V) appears, the LED l...
Yesterday I saw a function written like this: return HWREG(GPIO_PORTC_BASE+GPIO_O_DATA+(0xffThe purpose is to read the value of PC7 and return it in unit8 type. I don’t understand the 0xffreturn (GPIO...
I want to collect the current and voltage of household electricity and display the voltage, current and energy on an LCD screen. I have tried several sensors but the results are not very good. Can som...
As the title says, I don't quite understand the difference between the 4th and 6th level. I heard that the writing speed will be improved, but the reading speed will not be significantly improved. Is ...
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]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[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]
Using an electronic load is like thinking of it as a resistor that dissipates the power supply's output. The most straightforward mode is the CR constant resistance mode. In this mode, by setting a...[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]
Motor potting compound is a high-performance sealing material widely used for motor encapsulation and insulation. It is essential for motor protection and packaging. Its ideal moisture and water re...[Details]
Most electric vehicles currently lack a gearbox, only a single-speed reduction gearbox. This includes Teslas, but that doesn't mean electric vehicles don't need a gearbox. Thanks to the constant to...[Details]
August 19, 2025 – Mouser Electronics, a leading New Product Introduction (NPI) distributor offering an extensive portfolio of semiconductors and electronic components, announced that
it will be...[Details]
STM8S compilation error unable to allocate space for sections/blocks with a total # Welcome to use Markdown editor
I've encountered many strange issues while developing with IAR for STM8, all ...[Details]
Preface
In recent years, the quadcopter market has become increasingly popular, and everyone has been exposed to them in various ways. Aerial photography applications using quadcopters ...[Details]
Talking
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