Now we use STM32 to output eight-way sine waves, add AD sampling and LCD display, but the problem is that AD sampling and LCD display are time-consuming and need to be refreshed constantly, which seri...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:08[/i]Integrated Circuit Chip Tester (Question A) 1. Task Design and manufacture an integrated circuit chip tester that can perform logic fun...
[i=s] This post was last edited by CrossFire Da Yue on 2014-9-21 11:35 [/i] STM32L053 Nucleo Experience ING 1. Unboxing photosZoom in2. Install the driver I can’t log in to ST’s official website, I ca...
Hey guys, I have a problem and hope you can help me solve it: I wrote a window switching dialog in EVC, but the dialog shows all the foreground and background files in the system. Actually, I just nee...
At first, I saw a code using P0=0xea, and later I saw a code using P2=2, P0=0x3f (this is for the stc microcontroller I just bought, but I don’t know how to light up multiple digital tubes at the same...
Dear friends, what kind of ARM cores have you seen, touched or used in your career or amateur maker process? Which one is the ceiling in your mind? Welcome to...
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]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]