Hello everyone, I have a few questions to ask you. I am studying the Bluetooth device of embedded system recently. The CPU used is s3c2443, and the OS is WinCE Platform Builder 5.0. I want to build a ...
Now I have a large constant array const int testdata[1000]. In order to save memory, I want to put it in the code segment. How do I declare it? In the past, in the microcontroller, the bytes were simp...
The problem of HPS accessing the i/o port of FPGA through the HPS-to-FPGA bridge. It is not a lightweight bridge. Has anyone done it before? I have been working on it for two days, but it doesn't work...
Dear heroes, the clock of the crystal oscillator is main_clk. After dividing the clock, we get the AD clock AD_clk. However, in the actual circuit diagram, I connected AD_clk to the pin corresponding ...
I have a problem and hope that experts can give me some advice. If there is an irregular DC pulse wave (2.0v-28v 0-160ma), and I want to collect it into a battery with a floating voltage of DC10v, how...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is
non-contact measurement represented by
infrared temperature measurement
. Tradit...[Details]
The Challenge:
Improving Siemens Wind
Turbine Controls
System software automated testing for regular releases, validating wind turbine control system components during the developme...[Details]
1. Introduction
According to the definition of the International Electrotechnical Commission (IEC) and the American Instrument Society (ISA), fieldbus is a digital, two-way transmission, multi...[Details]
1. Introduction
PROFIBUS is an international, open asynchronous serial communication standard, which is widely used in manufacturing automation and process automation, buildings, transportatio...[Details]
Embedded System
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