Hello everyone, I want to make a device that uses a single-chip microcomputer to communicate with multiple barcode scanners, but the single-chip microcomputer and the barcode scanner only have one ser...
I made a lighting program with a timer, and the light flashes at an interval of 0.6s. However, the light often flashes faster when the power is turned on, and then stops flashing after a few seconds, ...
Goals to be achieved in 2019:
1. Start to work on horizontal technology RD projects for enterprises, cooperate with multiple enterprises, and master negotiation skills
2. Be familiar with the current ...
[size=10.000000pt]USB IF officially released the new generation USB Type-C interface standard in August 2014. This new interface is favored by major computer, mobile phone, tablet and other manufactur...
May I ask, what is the difference between the [Component Library] and [Meta-Schematic Library] in the new menu of ALTIUM DESIGNER? I remember that in PROTEL99 there were only new component libraries a...
I installed vs2005 sp1 wince6.0 R2 ..... ..... I can't create a smart device project now. It was possible before, but now it doesn't work. 1. I saw someone say it's a problem with IE7, but I'm using I...
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]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
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]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[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]
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]