[i=s] This post was last edited by arthasarthas on 2014-10-6 14:28 [/i] The official code test is as follows:The baud rate can be set using the baud function. The code is as follows. In addition, the ...
If some basic [url=http://article.ednchina.com/word/148856.aspx]layout[/url] guidelines are not followed, PCB design can limit the performance of [url=http://article.ednchina.com/word/148855.aspx]Clas...
The MCU PWM is used to control the duty cycle, and the IRF4905 is used as a switch. The input voltage is variable in order to achieve a regulated output. The high-frequency characteristics are very po...
There is a guy in Ant Forest who is really crazy. He approaches me and surpasses me at a fixed time and place every day. I have always wanted to make more steps, but I took a big step yesterday at noo...
[i=s]This post was last edited by wytalfred on 2014-4-16 13:17[/i] New content: It turns out that QPainterPath::lineTo() can be used to easily draw a waveform graph. It only takes 4 lines of code incl...
Made on the basis of the previous cc2540f/cc2541f Bluetooth 1-on-3 offline programmer hardware, it adopts swd communication mode! It takes about 18 seconds to erase, write, verify and encrypt 256K byt...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[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]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[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]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[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]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[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]
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]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[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]