-
Can single-phase motors be speed-controlled?
Single-phase motors can be speed-regulated by some circuits or devices, but the speed regulation effect and reliability are poorer than those of th...[Details]
-
I. Introduction
Whether it is to prevent the accumulation of hydrogen or to use hydrogen, it is necessary to measure and monitor the hydrogen content. Safe, reliable and cheap hydrogen measure...[Details]
-
There are several methods for roundness measurement, including the rotary axis method, three-point method, two-point method, projection method, and coordinate method. The following is a brief introdu...[Details]
-
In the early morning of June 23, Apple announced at the 2020 Worldwide Developers Conference (WWDC) that CarKey digital keys will be available on iOS13 and the upcoming iOS14. Users will be able to u...[Details]
-
Google has agreed to settle a class-action lawsuit brought by owners of 2016 Google Pixel phones, who said the company knowingly sold them with defective microphones. Google first acknowledged the pr...[Details]
-
A research team from the University of Oxford in the UK, IBM Research Europe and the University of Texas in the US announced an important achievement: by stacking two-dimensional (2D) materials, they...[Details]
-
The motor converts electrical energy into mechanical energy and drags objects to move. What users are concerned about is whether the motor can run stably at a given speed. There are many factors ...[Details]
-
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
-
Shanghai, China, December 8, 2023 - element14, a global distributor of electronic components products and solutions owned by Avnet, has expanded its power supply product portfolio with the addition o...[Details]
-
In the global race for electric vehicles , the UK is struggling to catch up with its rivals. New investment in Britain is falling as automakers prioritize developing new technologies in their home ...[Details]
-
On November 28, the 2023 Huiyang District New Energy Storage Technology Innovation and Industry Development Conference was held in Huiyang City, Guangdong Province. Wang Qi, general manager of Chin...[Details]
-
Recently, I learned the driving principle of stepper motors. I practiced it myself according to the textbook and used ULN2003 to drive 28BYJ-48 two-phase five-wire stepper motors. It can rotate norma...[Details]
-
Xiaomi today confirmed that the Mi 12 will debut on December 28. The brand released a poster showing that sprinter Su Bingtian will endorse the Mi 12 series. While the poster doesn't confirm how ma...[Details]
-
If the polarity of an electrolytic capacitor is unknown, its polarity can be measured using the resistance block of a multimeter. We know that the leakage current of the electrolytic capacitor is sm...[Details]
-
This system consists of a single-chip microcomputer system, keyboard, LCD display, and traffic light demonstration system. The system includes sidewalks, left turns, right turns, and basic traffic ...[Details]