Performance TestingCoremarkCoreMark is a benchmark for measuring the performance of central processing units (CPUs) used in embedded systems. It was developed in 2009 by Shay Gal-on of EEMBC and is in...
As shown in the figure, LDOs are U2/RT9013-3.3 and U3/RT9013-1.85.MCU is STM32L486, VDD supply range is 1.71V~3.6V, main frequency is 80Mhz, Iout = 8mA.Power supply is polymer lithium battery, rated o...
This is a textbook experiment. This experiment will generate a 1KHZ signal for 0.1S, stop for 0.1S, then generate a 1KHZ signal for 0.1S, stop for 0.5S, and then execute #include from the beginning.
s...
Sino-American Ai*ti* Technology, .NET Foreign Enterprise Software Engineer Class will start on September 10, 2007. The first week of the course is free for trial. Welcome to sign up! Sino-American Ai*...
Dear experts, the figure below is a feedback signal circuit of a car turn signal. The purpose is to lower the voltage at the P terminal. What is the function of the Q2 transistor, and how is the resis...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
This article introduces a high-reliability, high-power automatic water supply device made with 89C2051 single-chip microcomputer, which has phase loss detection, over-temperature detection, over-cu...[Details]