①The infrared lamp does not light up at night; a. Cause of failure: The switching power supply is abnormal; Troubleshooting: Replace a stable switching power supply (12VDC or 24VAC, I≥2A); b. Cause of...
Saw this on [url=http://www.youtube.com/watch?v=4IQxn85jAKw]youtube[/url]. When DIYing, pay attention to the materials, number of turns, diameter, wire diameter and wire spacing. The magnet is a hard ...
I followed the help document to operate pb, compiled the system and prepared to run the system with the simulator. However, when attaching the device, a command line window popped up, showing the simu...
Comparing the two voltage regulators, both are linear regulators, and the AMS1117 can output a maximum current of 1A, while the HK7833 can only output a maximum current of 500ma, but the price is 10 t...
iMEMS semiconductor technology integrates micro-mechanical structures and electronic circuits on the same chip. iMEMS accelerometers use this technology to measure single-axis, dual-axis, or even tri-...
Preface:
The usage of the NAND FLASH version and the eMMC version of the core board are basically the same. This article mainly describes the U-Boot compilation, basic device tree file compilation, NA...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[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]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
Automatic Test
System The ATS (Automatic Test System) integrates all the stimulus and measurement equipment required for testing.
The computer
efficiently comp...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
TPMS is the abbreviation of "Tire Pressure Monitoring System". It is mainly used to automatically monitor the tire pressure in real time when the car is driving, and to alarm for tire leakage and l...[Details]
Industrial Control Electronics
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