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Before programming the microcontroller to realize the static display of digital tubes, let's first understand the structure of digital tubes and some common sense. For digital tubes, there are eight-...[Details]
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Overview
In this design, the MAX2550 is used as the main radio frequency (RF) transceiver, and together with the necessary external components, it forms a complete RF front end. The external comp...[Details]
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In fact, we are all wrong about common experience, and once it is used in design, the reliability of the product can be imagined. Therefore, "when selecting circuit design components, first prove its...[Details]
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1. Detection of color-coded inductors: Place the multimeter in the R×1 position, and connect the red and black test leads to any terminal of the color-coded inductor. At this time, the pointer s...[Details]
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//***************Classic key processing procedure************************\\
//MCU model STC12C5204AD
//Button input port: P2^0, P2^1
//Output port: P2^2
#include STC12C5201AD.H
#define null ...[Details]
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China Energy Storage Network reported
: "Building a global energy internet and constructing a global energy configuration platform with UHV power grid as the backbone, ubiquitous smart grids ...[Details]
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Checking capacitance with a multimeter The deflection of the meter needle is also different, so it is necessary to equip each meter with a table to list the maximum number of grids that the meter ...[Details]
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Last night, the iQOO 8 Pro, known as the ceiling of mobile phone screens in 2021, was officially released. It is the world's first Samsung E5 material OLED screen. It supports 2K resolution, 12...[Details]
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With the development and progress of society, the improvement of people's living standards and the advocacy of land conservation, more and more high-rise buildings have been erected, which has greatly...[Details]
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Interrupt line problem: From the above figure, we can see that the EXTI0 interrupt line shared by PA0, PB0...PG0, and the EXTI1 interrupt line shared by PA1, PB2...PG1, that is, in the programmi...[Details]
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According to the Securities Times, the US ban on Huawei's chip supply chain officially took effect today (15). Huawei's partners revealed that Huawei has a plan B for the chip supply cut. The specifi...[Details]
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This device is attached to the outside of the telephone. Just connect the contact of the contact piece in the compression spring of the telephone with the contact of relay J2-2 and J2-3. It can talk ...[Details]
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ARM Cortex-M7 processor The latest member of the Cortex-M processor family is the Cortex-M7. This new core has features that can be used to support new embedded technology requirements. It is des...[Details]
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1. Introduction
Fieldbus control system (FCS) is developed in accordance with intelligent field instruments. Its original intention was to replace 4-20mA analog transmission technology wi...[Details]
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High power controlled rectifier circuit
In industries such as electrolysis and electroplating, low voltage and high current (e.g., tens of volts, thousands to tens of kiloamperes) adjustable DC po...[Details]
Analogue and Mixed Signal
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