I encountered the following problem today. I would like to ask the experts on the site to help analyze it. Thank you very much. After the 200mv signal (which may have glitches) passes through the inte...
FPGA OV7670 development board, one main chip is EP2C8, the other is EP2C5. ADV7123, RGB565 16bit output. Two pieces for 280, free shipping, and a blank PCB. If interested, please contact QQ: 195980657...
[align=left][font=微软雅黑, 宋体][size=4]The stability of the crystal frequency is very high, but the problem is, how do we measure the frequency of the crystal? Kaiyuexiang introduces a method for measurin...
The I2C bus only has two signal lines: SOL (clock) and SDA (data). If it is a simple serial transmission, once the pins are deviated for some reason, it may result in the inability to distinguish whet...
[size=3]From now until June 30, purchase a KEITHLEY 2000/E 6.5-digit digital multimeter and get a [b][color=#0000ff] Xiaomi phone for free[/color][/b][/size][size=3][color=#0000ff][b]Are you tempted? ...
[b][size=4][color=#ff0000]I want to integrate the two sensor circuits without affecting the functions. Please give me some ideas! [/color][/size][/b]The circuit schematic is shown in Figure 1. The dua...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Test/Measurement
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