I have encountered many problems recently. Please help me! ! I am using an embedded VxWorks system based on the G4 platform. The chip is ppc 7447A and vxworks5.5.1. 1. A very strange phenomenon: after...
Industrial automation systems use microprocessors, digital signal processors (DSPs), and sensor networks to control electromechanical processes. These components are highly sensitive, yet operate in a...
I have been working on a project these days. I need to connect the tiny210 to the PC via miniUSB and use gadgets to identify it as a USB flash drive or SD card. The Linux system installed on my tiny21...
[i=s]This post was last edited by dcexpert on 2021-11-16 11:44[/i]DOOM game porting on STM32F429DISC, controlled by touch screen:Link:
[hide]https://github.com/bane9/STM32DISCOVERY_DOOM[/hide]...
Recently I looked at the 188 protocol for water meters and found that the cumulative flow is 4 bytes, one of which is a decimal place. In the actual process, I found that there is a 7-bit meter, all i...
Learn how the engineering team met the stringent requirements of cordless vacuum cleaner customers: high suction power, small size and light weight, and a long and reliable product life cycle. Learn t...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]