MJHS-02R4-25L-018-6J35

　　Before introducing the multimeter in detail, let's first talk about the common sense and reading conventions of general measuring instruments. 　　Instruments and equipment can display measurement re...[Details]

When the measurement statistics begin, if the probe is not placed on the test point, or the contact is poor, or the voltage at the test point is not stable, there will be a large difference between ...[Details]

I rarely use STM8S at work, but because the price of this U is so attractive among general-purpose Us, I used it in a very simple application. Requirement: Control the fan speed according to the se...[Details]

In order to meet the requirements of the project in terms of control performance and communication methods, a dual-core voice coil motor drive controller hardware structure based on floating-point DS...[Details]

Passives are a relatively new concept. Why are they built in? The reason is that board surface space is tight. In a typical assembly, components that account for less than 3% of the total price m...[Details]

DSP (digital singnal processor) is a unique microprocessor that uses digital signals to process large amounts of information. Its working principle is to receive analog signals, convert them into digi...[Details]

　 Circuit principle: The circuit is provided with +5V power supply voltage by transformer, diode and voltage regulator IC7805. The battery voltage is divided by resistors R5 and R6 and sent to the BA...[Details]

Samsung Electronics shares are likely to break through 50,000 won ($42.07) for the first time in nearly a year and four months, after rising for several days on expectations of improved third-quarter...[Details]

The improvement of living standards has made people put forward higher requirements for living conditions. The importance of residential security systems is becoming more and more important. Intell...[Details]

　　Performance Testing 　　The internal structure of temperature-controlled thyristors is similar to that of ordinary thyristors, so the electrodes of temperature-controlled thyristors can also be found...[Details]

1. Correct selection of pressure (differential pressure) detection instruments The correct selection of pressure testing instruments mainly includes determining the instrument type, range, accuracy a...[Details]

       On February 10, Redmi brand general manager Lu Weibing officially announced yesterday that the new Redmi K40 will meet the public on February 25. 　　Today, we learned from the website of the Mi...[Details]

introduction VOD (video on demand) technology provides people with an interactive way to obtain information, and its application scope and influence are constantly expanding as the technology ...[Details]

Measuring resistance with two wires is very convenient, but it can introduce measurement errors. This error can be nearly eliminated by using a multimeter with 4 wires and separate source and measure...[Details]

Although the USB charging specification imposes certain requirements on power adapters and chargers, USB design for portable devices is still confusing, especially for applications that choose to use...[Details]