I encountered a very strange problem. The following formula is calculated by Matlab and EXCEL with the same and correct results.
Using MCU and csharp test is another result
-(2*L^4*b - L^4*c + 8*L^2*b...
[align=center][size=5]Open source robot dual motor sensorless FOC drive reference design based on STM32F303[/size][/align][align=center][size=5] [/size][/align][align=center][size=5]Figure and other i...
When the AT91SAM7S256 serial port receives instructions to send multiple frames of data, the last frame always loses two bytes of data! It is sent normally without serial port instructions, and no dat...
The smart home system has been developed for so many years, but its positioning is still relatively high. Ordinary families still have a long way to go before they can move in this direction. . . . . ...
Bluetooth is one of the most dominant low-power wireless technologies today and is very familiar to wireless device users and developers. Prior to last summer, Bluetooth network types were limited to ...
Code: /* C language example 26 Question: Use recursive method to find 5!. Program analysis: Recursive formula: fn=fn_1*4! */ #include stdio.h int main() { int i; int fact(int); //recursi...[Details]
The competition among notebook brands has always been rather boring, and the differences in configuration and price among various brands are still very small, which often gives people a feeling o...[Details]
In recent years, the research and application of large-size three-coordinate measurement systems of theodolites have gradually been carried out in the aviation, aerospace, antenna, automobile, wate...[Details]
Preface
The design of lithium-ion battery protection chip is closely related to its packaging structure. Figure 1 shows the basic structure of the protection circuit packaged inside the ...[Details]
The new energy vehicle industry has truly entered an eventful "spring"! The spread of the COVID-19 pandemic has put the entire automotive industry, including new energy vehicles, at great risk of d...[Details]
MediaTek's 5G processors this year have won orders from major manufacturers including Xiaomi, Huami, and Oppo, and its performance has soared, thanks in large part to the Dimensity series. In additio...[Details]
The fully automatic biochemical analyzer is a conventional equipment in hospitals. It is an instrument used to test various chemical substances in the patient's body fluids. Since the birth of the ...[Details]
1 Introduction
The standard digital tuned filter is mainly composed of a resonator, a PIN diode switch capacitor array, and a digital interface PIN diode drive circuit. The digital control and...[Details]
According to Southern News Network, Guangdong Xin Semiconductor has now fully resumed operations and is increasing production to meet market demand. According to reports, Chen Wei, president and CE...[Details]
The specific principle of ds1302 can be found in relevant Chinese materials: The specific process used by ds1302 is: Write the command and initial time to ds1302 to initialize ds1302. Write command...[Details]
When determining the UPS power, many users, due to financial troubles and lack of understanding of UPS power , often choose the UPS power based on the capacity of the current equipment in the com...[Details]
On the evening of April 30, Star Semiconductor, a well-known domestic IGBT listed company, released its first quarter 2020 performance report. Data showed that its revenue in the first quarter was 13...[Details]
The AS8002 from Austriamicrosystems is a highly accurate measurement IC for solar power inverters. Power inverters in solar photovoltaic systems (PV) are often connected directly to the electrici...[Details]
Power supply ripple definition Power supply ripple is the most intuitive manifestation of power supply performance. DC regulated power supply is generally formed by AC power supply through rectificat...[Details]
Soft start and star-delta start are two different motor starting methods, each with its own advantages and disadvantages. In practical applications, the choice of starting method depends on factors...[Details]
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