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The RS232 standard was born before RS485, but RS232 has several shortcomings: The signal level of the interface is relatively high, reaching more than ten V. Improper use may easily damage the inter...[Details]
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According to iDropNews, Apple recently approved the application for the patent of "Quantum dot LED (QLED) and OLED integrated into display". In the past two years, OLED and quantum dots, as the two m...[Details]
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The internal working mode of PLC is generally a cyclic scanning working mode. In some large and medium-sized PLCs, an interrupt working mode is added. After the user completes the debugging of the ...[Details]
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More and more mobile devices, such as mobile phones, headsets, cameras and MP3 players, use advanced noise reduction technology to eliminate background sounds and improve sound quality. To implemen...[Details]
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A sensor is a physical device or biological organ that can detect and sense external signals, physical conditions (such as light, heat, humidity) or chemical composition (such as smoke) an...[Details]
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The MCS51 series single-chip microcomputer At89S51 is used as the main controller, and the peripheral circuit devices include digital tube driver, independent keyboard, reset circuit, etc. The hardwar...[Details]
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At present, the development of mobile phones has become the common focus of the global electronics industry. In addition to voice and camera functions, the next goal of mobile phones is obviously to i...[Details]
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In low-power switching power supplies, simple winding rectification is basically used to provide VCC, and the VCC power supply of the IC is the core of the switching power supply. In the debugging ...[Details]
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In order to get rid of the transitional dependence on Asian battery manufacturers such as CATL, LG Chem, BYD, SKI, and Samsung SDI, new forces in the European power battery industry are constantl...[Details]
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A spectrum analyzer is a measuring instrument that uses the frequency domain to analyze and study signals. It is indispensable for signal analysis. With the rapid development of communication techn...[Details]
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The ground resistance measuring instrument consists of a hand-cranked generator F, a current transformer LH, a rate switch S, an adjustment potentiometer RP and a galvanometer M. All the mechanisms a...[Details]
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The chip used is STM8S103F3P6, the compiler is IAR, and the program code is as follows: // #include "iostm8s105c6.h" #include "iostm8s103F3.h" // Very important void DelayMS(unsigned int ms) { ...[Details]
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Power-on: The voltage across C2 cannot change suddenly. The base voltage of Q2 starts to drop from VCC. It takes about 0.12mS to drop to the point where Q2 can conduct (BE junction voltage drop is 0....[Details]
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#include hidef.h /* common defines and macros */ #include mc9s12dg128.h /* derivative information */ #pragma LINK_INFO DERIVATIVE "mc9s12dg128b" unsigned int i; void main(void) { DDRB=...[Details]
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The turning point of the kinetic energy conversion in the automotive industry is approaching. Under the consensus that "electrification is the first half and intelligence is the second half", intel...[Details]