Development Board Hardware AnalysisCore board:The power supply of the core board's 50MHz active crystal oscillator uses a 22Ω resistor in series with the main power supply to isolate power supply nois...
I recently learned about RC filtering and RC oscillation circuits, and I feel that these two circuits are a bit contradictory.
because:The RC oscillation circuit is used to produce a fluctuating wavef...
The small device uses a motor to control a thin sheet to touch the capacitive screen of the mobile phone, and then bounce back, realizing a simulated finger touch. (There are several sets of controls,...
Hello, moderator. I am using STM32 to control DM9000, but I cannot connect to the network. ARP is sent but not received. Other functions such as reading ID and register are normal. I used to control i...
Why are the two stages of a direct-coupled amplifier circuit interconnected? Why does it easily cause the base current of tube T2 to be too large? [[i] This post was last edited by sinzcosytanx on 201...
[size=18px] I am a junior this year, majoring in electrical automation. I have interned outside during the winter and summer vacations. I am familiar with C, ARM-Cortex, ARM11, and Linux. I also learn...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
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