Battery powered electromagnetic flow meter
1. OverviewThe ZY battery-powered electromagnetic flowmeter is specially designed for the water industry to meet the needs of urban water supply and ensure a...
When calling sqlite under wince, an error message appears: "Unable to find PInvoke DLL "SQLite.Interop.066.DLL"", but the two files SQLite.Interop.066.DLL and System.Data.SQLite.dll have been tested i...
I'd like to ask the moderator, has anyone used the serial port 4 of ST32M105? I used it in my project, but it doesn't work. However, the other serial ports 1, 2, and 3 work well. I transplanted it fro...
I just finished this project recently, which took me one month to complete. I would like to share it with you. (Another application based on CC1101 wireless module)
This product uses CC1101 wireless m...
[i=s]This post was last edited by qwqwqw2088 on 2020-2-23 18:08[/i]Photoelectric detection technology has a wide range of applications in many fields, from simple infrared sensors to fiber optic commu...
[i=s]This post was last edited by wwwenl on 2014-7-16 16:50[/i] I got the sensorTag today and installed it. After connecting it to CC Debugger, I used Flash Programmer to burn the hex file. All of the...
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]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]