[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...
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]
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]
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]
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]
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]
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]
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]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]