-
Buzzers are very commonly used devices in single-chip microcomputer systems, and their applications are very extensive. There are two types of buzzers. One is an active buzzer, which can make a "beep....[Details]
-
The soap film flow meter is a flow meter that measures gas flow. Its structure is a soap film tube with a scale. Below the soap film tube is the air inlet. The lowest end of the soap film tube is con...[Details]
-
On September 9, the Carbon Sharing and Storage Future 2023 Liaoning Energy Storage Industry Conference and the signing ceremony of the first batch of pilot demonstration projects of new energy storage...[Details]
-
Infrared light-emitting diodes (such as SE303.PH303) are similar in appearance to light-emitting diodes (LEDs) and emit infrared light. The tube voltage drop is about 1.4V, and the operating curren...[Details]
-
The measuring circuit is shown in Figure 1. The principle is very simple: use a rectifier bridge to convert the AC current passing through the appliance into DC, and then use a multimeter to measu...[Details]
-
Abstract: This article introduces the functional characteristics of a new type of microcontroller serial port expansion chip and the application of the interface with the microcontroller. Key...[Details]
-
At present, contactless smart card technology is used in hospital access control, computers, IT login systems and medication dispensing systems, which can help hospitals better control the safe e...[Details]
-
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
-
GPACON EQU 0x56000000 GPADAT EQU 0x56000004 GPAUP EQU 0x56000008 EXPORT xmain A...[Details]
-
1. Detection of electrolytic capacitors: Depending on the capacity of the electrolytic capacitor, the multimeter's R×10, R×100, and R×1K ranges are usually selected for testing and judgment. The red ...[Details]
-
With the development of integrated circuits and the adoption of digital signal processing technology, digital oscilloscopes have become intelligent measuring instruments that integrate various functi...[Details]
-
As data rates increase, the need for clock jitter analysis increases. In high-speed serial data links, clock jitter affects data jitter in transmitters, transmission lines, and receivers. Clock qua...[Details]
-
Capacitor motors are used in a wide range of situations. Common household appliances such as ceiling fans, table fans, washing machines, blowers, etc. are all driven by capacitor motors. (1) Capacit...[Details]
-
Over the past few years, dramatic advances in technology and heightened concerns about security are driving many organizations to upgrade their access control systems. Upgrading systems not only si...[Details]
-
Many engineers who work with speakers and amplifiers will tell you the same thing. If you overwork an amplifier, you can damage the speaker's driver to some degree. This process usually involves grad...[Details]
MicroPython Open Source section
京公网安备 11010802033920号
EEWORLD