Industry Information

Update August 16, 2022

Is Winchester hard drive a mechanical hard drive?

The earliest hard drive was called "Winchester hard drive"! In 1973, IBM successfully developed a hard disk IBM 3340 that was put into practical use. IBM calls it a Winchester hard drive....

Update August 16, 2022

L298n drive motor working principle _L298N drive stepper motor program

Stepper motor introduction A stepper motor is an electromechanical component that converts an electrical pulse signal into an angular displacement or a linear displacement. The input of the stepping...

Update August 16, 2022

Effect of constant current drive and non-constant current drive on LED digital tube

LED digital tube should be displayed normally, it is necessary to use the drive circuit to drive the various segments of the digital tube, thus showing the number we want, so according to the...

Update August 16, 2022

Refusal to drive illegally, LED driver old drivers teach you to drive

Every LED advertising vehicle driver in the process of driving, how many times it will inevitably appear several times violation tickets, just got a driver's license for new driver violations are...

Update August 15, 2022

Is the difference between Winchester hard drive and mobile hard drive easy to carry?

In 1973, IBM successfully developed a new type of hard disk IBM334. This hard drive has several coaxial metal discs coated with magnetic material. They are sealed in a box together with a removable...

Update August 15, 2022

Explain eight different points of active drive and passive drive matrix in switching power supply design

There are many differences between the active drive and the passive drive matrix in the design of the switching power supply. Below, the author will analyze them one by one, and hope to provide some...

Update August 15, 2022

[Inventory] LED drive mode comparison and LED drive power supply selection

LEDs are characteristic-sensitive semiconductor devices with negative temperature characteristics, so they need to be stably operated and protected during application, thus creating the concept of...

Update August 15, 2022

You are still a four-wheel drive! About 300,000 four-wheel drive SUV models recommended

Compared with ordinary two-wheel drive models, four-wheel drive vehicles have better driving stability and better controllability. Whether in the snow, mountains or ravines, with the advantages of...

Update August 14, 2022

Can't add a hard drive? C drive is not enough memory card!

There are more and more young and thin notebooks. Although they are very cool to use, they find it very difficult to upgrade when the storage space is not enough-either there is no extra space for...

Update August 14, 2022

Analyze the LED drive precision control method to improve drive efficiency

When it comes to LED driver accuracy, constant current error is usually thought of. In fact, the drive accuracy is not limited to current accuracy. LEDs are a typical current-driven device that...