I changed the endpoint of the Keil\ARM\Examples\ST\STM32F10xUSBLib\Demos\Custom_HID example to endpoint 2, and an error occurred. What's going on?0x82, /*bEndpointAddress: Endpoint Address (IN)*/0x03,...
A few years ago, Heathrow International Airport in London, the capital of the United Kingdom, quietly installed a perspective detector that can "see through" all the clothes of passengers. Of course, ...
It's been a while since I got the board, and I've only had time to play with it these days... The first thing to do is to connect the board to the computer with a data cable, and then install the driv...
A few days ago, I wrote a timer program to control the LED light to turn on and off at intervals of one second, but it was very abnormal. When I touched the microcontroller with my hand, the flashing ...
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]
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]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[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
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]