With the help of the ADC inside the STM32L452 and an OLED screen, a simple digital voltmeter can be formed. The display effects are shown in Figures 1 to 3.The channel used for A/D acquisition is ADC_...
[i=s]This post was last edited by paulhyde on 2014-9-15 02:59[/i] The first one is the heat dissipation problemThe second is that the output waveform has more high-frequency components after gain ampl...
[size=6][color=red]Mid-Autumn Festival gift! [/color][/size] [backcolor=yellowgreen][backcolor=yellow]When not using the signal source input, the following changes are required: 1. Short C22 or solder...
Electronic jamming is an important part of modern electronic warfare, including passive jamming and active jamming. Active jamming can be divided into deceptive jamming and shielding jamming. Deceptiv...
These manuals come with the Gaoyun Yunyuan IDE after installation. There are various versions in English, Chinese and Japanese. The information is very good. Friends who have not received the board ye...
I am learning wince development. I have finished cutting nk.bin and can use MSDOS (version 6.2) + LOADCEPC to load and start on X86 CPU. However, there is an ugly progress bar when starting to decompr...
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]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
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]
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]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]