I am a newbie. Please take care of me. I just installed Winter09. In the previous 2004, when I used Finder Similar Object, the found object would be highlighted, and the others would be dimmed. But it...
[align=left][b][font=宋体]I am a novice who just drew a PCB board. This is the first-level op amp, which is used for photoelectric conversion. The circuit schematic and two PCB wiring diagrams are below...
There is another talent in our company. He used to be a worker who caught steel embryos in Wuhan Iron and Steel Company. However, he was the first person in China to design and manufacture Z80/8039 si...
I quit my job and stayed at home for 3 months to develop this module. I am ready to sell it. It uses STM32+DM9000AEP, [list=1] [*]Supports DHCP to manually and automatically obtain IP addresses, suppo...
[align=left][color=rgb(51, 51, 51)][font=HelveticaNeue-Light,][b]Hardware designers spend 99% of their time on design and simulation, and only 1% of their time on synthesis, layout and routing, and do...
There are several questions about the boot sector code: 1. Which mode should be used for assembly? Is it tiny mode? 2. Should it be made into BIN format when linking? 3. If the source ASM file is asse...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
PCB Design
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