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The programming mode of AT89S51 can be divided into parallel mode and serial mode. As the parallel port has been gradually eliminated in current PC desktops and notebooks, the parallel port programme...[Details]
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In order to realize the automatic test of the transmitting device, a new type of detector is designed using microcomputer technology. With the CPU module as the core, the D/A converter is controlled...[Details]
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When entering an exception, the CPU will do the following
1. Copy the value of pc at the time of interruption to lr (the value of pc is the interrupt instruction position + 8, so the returned ...[Details]
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On December 10, 2019, the mayor of Shenyang, Liaoning Province, as the leader of the Shenyang Electric Power Construction Leading Group, presided over the third Shenyang Electric Power Construction...[Details]
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Over the past two years, chip shortages have plagued many industries, and the entire semiconductor supply chain has been working hard to deal with various uncertain events. Last year, the rebound in ...[Details]
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my country's power load management system is basically built with prefecture-level power supply enterprises as the main units. Under the current situation, provincial power companies need to grasp ...[Details]
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Large, high-voltage rechargeable battery systems are now a common power source in applications ranging from electric vehicles to grid load-leveling systems. These large battery stacks consist of ma...[Details]
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In-car WeChat is finally here. Recently, Tencent and Changan Automobile officially launched the car version of WeChat, which provides three functions: viewing unread messages, sending messages, and...[Details]
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1 Digital potentiometer adjustment
This is a method of using a digital potentiometer to change a fixed negative bias voltage into an adjustable negative bias voltage to adjust the contrast. The...[Details]
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Question: How to call a DLL from LabVIEW
Solution: To call a dynamic link library (DLL) from LabVIEW, you need to first determine what type of DLL it is. There are basically two types of DLLs to c...[Details]
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OPPO's ColorOS official Weibo revealed yesterday that the ColorOS beta version based on Android 11 Beta1 for the Find X2 series is officially launched. It is worth mentioning that the official also...[Details]
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STMicroelectronics Delivers First Batch of Stellar Advanced Automotive Microcontrollers for New Road and Vehicle Program
Stellar SR6 P and G series scalable, highly integrated pr...[Details]
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Xiaomi Group announced a new organizational structure adjustment and personnel appointments. Lei Jun, Chairman and CEO of the Group, will concurrently serve as President of China, fully responsible f...[Details]
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Frequency Selective Amplifier
1. Working principle and frequency characteristics of double T bridge
The frequency selective amplifier selects a desired frequency signal from a ...[Details]
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Selection of chip capacitors
1. Function selection
Because the capacitor has the characteristics of "blocking direct current and passing alternating current", and it is also an energy stor...[Details]