I would like to ask, after executing UPDATE PCB TO ..., what is the red stripe area generated in the PCB? As shown in the figure below, what is the red stripe area where 2 is located and what is its f...
I wrote a log thread class on a PC. When I switched to a mobile device, it prompted that StreamWriter.Dispose() was inaccessible because it was restricted by the protection level. After I commented th...
Do chips have to be made small? 3 nanometers, 1 nanometer, or even 0.1 nanometer or smaller? On a whim, can we do the opposite? Make a number of chips, which we will temporarily call infinitely large,...
Abstract: Zinc oxide nonlinear resistors are widely used in power system overvoltage protection and surge energy absorption. A power supply for testing them is studied. The test power supply uses a ca...
I saw an example on page 97 of Xia Yuwen's book. I tried to do it, but it didn't work.Code:
`timescale 1 ns/ 1 ps
module LAMP_vlg_tst();
// constants
// general purpose registers
reg eachvec;
// test ...
Hello everyone, I am a newbie. I have a very simple question. I saw someone use the four output terminals of 74ls160 to connect the four pins of 7-segment digital tube in a design drawing, but doesn't...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
stm32/stm8
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