I want to read the data of a device through the R485 serial port. The data is transmitted using the MODBUS protocol. How can I read it? Can someone give me a detailed answer? I have learned a lot from...
Activity content: NXP COG fun quiz with prizes is in progress! Activity link: [url=https://bbs.eeworld.com.cn/thread-370120-1-1.html]https://bbs.eeworld.com.cn/thread-370120-1-1.html[/url] It has been...
I want to develop a program on a PDA to communicate with a PC, but I find that the PDA cannot be used as a server, only as a client. Why is this? The development tools I use are VS.NET 2003, POCKET PC...
I just learned to use PADS9.5, and I couldn't find a 4-pin connector. It turned out that the CAE package display was wrong, as shown in the picture: Could you please tell me what's going on?...
IDT sees booming Chinese semiconductor market as an important part of its strategy to accelerate packet processing developmentIDT's products will promote the leapfrog development of China's telecommun...
As the title says, I would like some advice from experts. It would be better if you can provide the components or circuit diagrams used . Thanks in advance....
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[Details]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
The small size and low cost of home appliance control boards mean that high-cost materials will not be used in the circuit to solve the electromagnetic interference problem. The interference of hom...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communications since the advent of digital communications. Many new wireless commun...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
This paper introduces the technology and application of optical transceiver modules and digital non-volatile variable resistors in optical communication networks, and focuses on the design and appl...[Details]
FSK (Frequeney-Shift Keying) uses carriers of different frequencies to transmit digital signals. FSK signals have the advantages of strong anti-interference ability and long transmission distance, and...[Details]
1. Introduction
Most of the existing heaters use traditional devices such as electric heating tubes and electric heating wires for heating. The outer shell of the electric heating tube is a ...[Details]
0 Introduction
Mobile robot is a comprehensive system that integrates multiple functions such as environmental perception, dynamic decision-making, behavior control and execution. Its motion...[Details]
As modern cities develop towards multi-functionality, urban layouts become increasingly complex, with hundreds, even thousands of ground monitoring points. To ensure that functional departments can...[Details]
With the deepening of energy crisis and environmental pollution, the research and utilization of solar energy has received widespread attention. Solar energy is an inexhaustible renewable energy so...[Details]
Embedded System
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