I use external counter STM32 ETR to calculate frequency, measure 100K frequency, use timer 2 for 1S, timer three PD2 (TIM3_ETR) for counting, calculation formula f=n/t; the measured result is 9999 HZ,...
I would like an expert to explain how to use FPGA to implement the PCIE bus interface. I would like to briefly talk about the design ideas and implementation methods....
Xinhua News Agency, Xining, May 16 (Reporter Chen Jing, Qian Rong) The mobile submillimeter telescope (POST) developed by the Purple Mountain Observatory of the Chinese Academy of Sciences recently su...
I used the touch screen to act like the up, down, left, and right of a mouse, and two buttons to act like left and right clicks. I made something similar to the touchpad on my laptop, but it didn't wo...
I have been looking at the Ethernet module of 107 for a long time, but I still don't understand it. I would like to ask everyone, what is the difference between SMI MII RMII, and what are they used fo...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] Avanex, a provider of intelligent photonic solutions for next-generation optical networks, announced today that it will showcase...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[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]
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]
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]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
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]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[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]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]