LED constant current drive introduction

Since the LED is a characteristic sensitive semiconductor device and has a negative temperature characteristic, it needs to be stably operated and protected during the applicat…

According to the relevant regulations of the country, buildings with more than 8 floors need to be equipped with elevators. Nowadays, with the improvement of people's living standards, the population is increasing, and there are more and more buildings with more than 8 fl…

1 Introduction

Since 2005, more than 25W electronic ballasts have to have PFC, which has become a global mandatory requirement, because in that year, Europe enforced the electronic ballast power factor correction (PFC) bill.

In the past…

The exposure time refers to the time when the CCD of the image pickup device image sensor is exposed to light. The longer the exposure time, the more light that enters the CCD, but it will reduce the image acquisition speed and may make the moving subject image more blurred. The s…

Today, Xiaobian wants to introduce to you a hardware product that will be launched on the crowdfunding platform kickstarter: Airbulb. This product is specially introduced because it is very special because it is a light bulb and a speaker.

…

[Text / high-tech reporter Xiong Yuheng] With the improvement of consumer awareness, LED lighting has evolved from the initial pursuit of high light efficiency to today's attention to indicators, color temperature…

With the continuous evolution of LED materials and packaging technology, the brightness of LED products is continuously improved, and the application of LEDs is becoming more and more widely. The use of LEDs as bac…

Cartesian robots, also known as single-axis robots, industrial robot arms, electric cylinders, etc., are based on the XYZ rectangular coordinate system. The single-axis robot arm driven by servo motor and stepper m…