IA4420/21 is a RF transceiver chip launched by Integration Associates. IA4420 works in the 315/433/868/915MHz frequency band, and IA4421 works in the 433/868/915MHz frequency band. The chip has an ope...
If anyone knows the following question, please help me solve it. I will be very grateful. I created a new project file with adsv1.2 and an error message "error:All50E:Bad symbol start.s line 635" appe...
The reset circuit of the microcontroller puts the microcontroller into a reset state. The reset operation can complete the initialization of the microcontroller and can also restart the microcontrolle...
{:1_102:}I will push these resources every Monday. I hope they can help you. [url=https://download.eeworld.com.cn/detail/xianghengxin/560008]100 Questions on PCB Design.pdf[/url] [url=https://download...
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]
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
As the range of electric vehicles continues to increase, driving electric vehicles for long-distance travel has become a trend. For high-speed travel, how much impact will high-speed driving of ele...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[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]
On August 18th, China's largest expressway
charging station,
the G25 Changshen Expressway Tonglu Service Area (South Area), officially opened and launched its integrated solar-storage-charg...[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]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[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 drive shaft is a high-speed, low-support rotating body, so its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing tests and adjustments on a balancing machine before ...[Details]
MCU
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