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0 Introduction
With the development of computer and network technology, information security has shown unprecedented importance, and identity recognition, as a necessary prerequisite for ensur...[Details]
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1 Introduction
Voltage-stabilized power supply modules are widely used in circuits. Currently popular ones include LM78 and ASM117 series. Most of them have only 3 pins, simple structure a...[Details]
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Objective: DC motor control 1. Introduction to DC Motor A DC motor is a rotating motor that can convert DC electrical energy into mechanical energy. Related parameters: Shaft length: 8mm Shaft diam...[Details]
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Abstract: This article introduces the working principle of a power supply with an output of 115V and 400Hz, and gives the corresponding circuit schematic diagram and parameters.
Keywords: ...[Details]
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According to foreign media reports, teams from Lawrence Berkeley National Laboratory (Berkeley Lab) and Florida State University (Florida State University) have developed new solid-state battery desi...[Details]
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Design requirements:#
Write a driver for the matrix keyboard
Press the corresponding keys respectively. The digital tube will accumulate the corresponding values of the keyboard a...[Details]
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This evening, vivo held a launch conference for the original system OriginOS Ocean, with the theme of "Inside and Out, Everything is Good". This conference brought a huge innovation to OriginOS. Star...[Details]
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Shanghai, China, May 7, 2024 -
element14, a global distributor of electronic components products and solutions under Avnet, has won the "2023 EMEAI (Europe, Middle East, Africa, India) Sales Pe...[Details]
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Design a traffic light control system to control the red, yellow and green lights in the east-west direction and the red, yellow and green lights in the north-south direction. It can be controlled man...[Details]
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In some audio circuits, operational amplifier circuits, electronic clock circuits and other circuits, dual power supplies (i.e. positive and negative power supplies) are required. Using a three-termin...[Details]
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The structure diagram of one of the 8 bits of the P0 port is shown in the figure below: Picture 1 As can be seen from the above figure, the P0 port is composed of a latch, an input buffer, a switch, a...[Details]
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1. AVR GCC for AVR I. I/O Port API 1. BV usage: BV(pos); Description: Convert the bit definition into a mask code (MASK). Used together with the bit definition in the header file io.h. For example, ...[Details]
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Transistors (also known as triodes) can be divided into NPN type and PNP type. Currently, the commonly used NPN type triodes are 8050, 9013, 2N5551, etc., and the PNP type triodes are 8550, 9012, 2...[Details]
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The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC...[Details]
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1. The implementation principle of LED driver:
The conductivity of the transistor is controlled by the high and low levels of the GPC0_3 and GPC0_4 pins, thereby controlling the on and off of ...[Details]
RF/Wirelessly
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