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Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]

1. Overview Will passive devices produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]

1. Circuit composition The whole circuit consists of two parts: 1. Power saving control circuit As shown in the figure below. Including delay circuit and drive circuit. (1) Delay ci...[Details]

1. Introduction With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]

Converged processors meet scalability requirements In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]

Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]

With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]

According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]

Communication protocol: The first byte, MSB is 1, which is the first byte mark, the second byte, MSB is 0, which is the non-first byte mark, and so on... The last byte is the XOR checksum of the la...[Details]

The treatment capacity of a sewage treatment plant in Shanghai is 10,000 m³/day, and the number of monitoring points is not large. The selection of S7-300 PLC plus Beijing Dingshi DS300B distributed I...[Details]

1. Introduction Semiconductor Light-emitting diodes, referred to as LEDs , were developed in the 1960s and gradually moved towards the market, and their packaging technology has...[Details]

0 Introduction Since its introduction in 1884, the Jacquard device of the Jacquard warp knitting machine has developed from mechanical to electromagnetic and now piezoelectric, namely the Piezo Jacq...[Details]

Among the current LED applications, the application in two major fields, LCD TV backlight and lighting, is growing rapidly. The use of high-power LEDs is increasing, a...[Details]

introduction As batteries become more popular as a power source, an equally strong need has emerged to maximize the useful life of the batteries. Cell imbalance, or the mismatch in the sta...[Details]

0 Introduction FPGA is a new type of programmable logic device that can replace all existing microcomputer interface chips and realize multiple functions such as memory and address decoding in micro...[Details]