I am a complete novice. I have been tasked with using f5529 to replace stm32f103vct6 to complete a voltage source. At the same time, I need to rewrite the corresponding program (the corresponding prog...
I am a novice in single-chip microcomputer and I need help with how to drive a four-digit digital tube display with CD4511. I don't understand how the seven ports of CD4511 can drive a four-digit conn...
[i=s] This post was last edited by dontium on 2015-1-23 12:45 [/i]Circuit function: It emits sounds of different frequencies as the direction changes . It is an electronic compass especially suitable ...
[b][size=4]Altium Designe-PCB Design Introduction (Part 3)[/size][/b][size=4] [/size] [size=4]Author: pcb2008[/size] [size=4] [/size] [size=4][b]Create a new PCB file[/b] Before converting the schemat...
This is my program. Please help me check it. I have been working on it for a few days but still no sound. Thank you very much. #include "2440addr.h" #define L3C (1 190ns //GPB[4:2]=L3C:L3D:L3M for(i=0...
I want to see the pinout of the 124-pin miniPCI interface. I have a BCM4318 wireless network card removed from an old laptop and want to make a USB one, but I don't have a pinout....
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
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, low...[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]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[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]
Microcontroller MCU
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