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...
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]
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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
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]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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 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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]