The Raspberry Pi's four cores are fully powered on, and the temperature is so hot that you can boil eggs. I only dare to use one core for large-scale operations (compiling cmake). It is N times worse ...
The stepper motor finally started to rotate! ! ! ! It was really unexpected, but the rotation force was very small and could not move the paper. Do I need to adjust the frequency of the motor? Or what...
How to use serial port interrupt in external interrupt 0 service program of 51 MCU? ? Is there something wrong with the program I wrote? Why can't I use serial port interrupt in external interrupt 0 p...
The price of the chips is set at about half of the Taobao transaction price. Some of them are not clearly traded. If you want them and you have a clear transaction price, you can sell them at half the...
I have developed the driver for saa7130 under Windows and am preparing to write it as a master's thesis. I submitted the first draft not long ago, but was severely criticized by my supervisor, who sai...
I use 2407 towrite programs in assembly language, and everything is fine when debugging. Whenusing C, I find that after load, I can enter _cint0, but when I click go main, the program will run away (c...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Embedded System
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