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1. Question about GPIO: The IO port of STM32 is initialized as input floating, so is the pin high or low? Answer: It is neither high nor low, floating means it is not used. 2. Question about port mult...[Details]
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National Energy Comprehensive New Energy No. 106
Energy Bureaus of all provinces (autonomous regions, municipalities directly under the Central Government), Development and Reform Commissions...[Details]
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Second quarter net revenue of $3.23 billion; gross margin of 40.1%; operating margin of 11.6%; net profit of $353 million
Net revenue in the first half of the year was US$6.7 ...[Details]
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Recently, many customers have reported that the car remote data terminal cannot directly collect car CAN data through the OBD interface. In fact, this is simple in principle, but it is more complicat...[Details]
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The microcontroller source program is as follows: #include reg52.h #define uint unsigned int #define uchar unsigned char typedef bit BOOL; sbit io = P2^0; sbit rs = P2^6; sbit rw = P2^5; sb...[Details]
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Abstract: The system-level design method provides a new process for the design of complex electronic systems. System simulation and analysis of the anti-interference performance, multipath perfo...[Details]
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What is Active Noise Cancellation?
Active Noise Cancellation (ANC) is an advanced technology that is incorporated into headphones and earbuds to block background sounds (or) noise. It is an ef...[Details]
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First, the materials to be prepared are: a board, an 89c51/52 chip, a 51 chip socket, a 12MHZ crystal oscillator, a 10 resistor, and a 10uf electrolytic capacitor. Two 20-33pf ceramic capacitors, som...[Details]
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This morning, realme's official Weibo account revealed the camera information of the upcoming new phone realme X. From the Weibo text and posters, it can be seen that the new phone will use Sony IMX5...[Details]
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Causes of Surge in Centrifugal Compressors
①Flow
Figure 2
Each centrifugal compressor has a curve between outlet pressure P and flow rate Q at different speeds n, as shown in F...[Details]
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The performance of transceiver modules used for wireless transmission is mainly determined by the phase noise of the local oscillator used. Therefore, accurate measurement of module characteristics, e...[Details]
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I would like to share with you a 51 single-chip microcomputer to make a granary temperature and humidity control system. The following is the schematic diagram based on the dht11 sensor. The microco...[Details]
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ARM assembly instruction set Composition of ARM assembly files Instruction: After compilation, it is stored in the memory unit as an instruction (machine code), and the CPU can complete the proce...[Details]
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Just over a month after a group of Spotmini robot dogs successfully pulled a large truck, researchers at the Italian Institute of Technology (IIT) have tested the strength of another robot dog, Hyqre...[Details]
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1 Introduction Klystrons are widely used in radar transmitters due to their remarkable features such as high power and high efficiency . The power of the klystron cathode high-voltage power ...[Details]