Taiwan's Dongbei Q1 revenue declines 37% year-on-year, Q…

It is reported that Dongbei's first quarter combined revenue was NT$1.06 billion, a 1.98% decline from the 1.86 billion yuan in the fourth quarter of last year, and an annual decline of 36.66%. Dongbei said that the first quarter is the bottom of the company's revenue. In the second quarter ...read more...

Development of LED tube structure design

First, all plastic tube The early LED tubes used PC tubes, mainly because the early LED tube driving power supply used non-isolated power supply. In order to prevent the driving power supply from leaking through the housing, the PC tube was used, and the lamp bead was Φ5DIP straw hat lamp bead. ...read more...

Color vertical fish detector launch circuit

The transducer emits and receives ultrasonic waves directly below the bottom of the ship to detect the target below the bottom of the ship. The difference is firstly that the former is the main target of the fish. The latter is based on the seabed as a detection target. Color v ...read more...

Xiamen: Tongshida, Donglin electronic bidding LED lamp price…

In another month or two, the national “2012 semiconductor lighting products financial subsidy promotion project” bidding will reveal the results, Xiamen Tongshida, Donglin Electronics and other enterprises to participate in the bidding, such as winning the bid, will be expected to obtai ...read more...

How to solve the problem of LED light strip heating?

1. Line design problems: The most commonly used specifications for led strips are 12V and 24V. 12V is a 3-string multi-channel parallel structure, and 24V is a 6-string multi-channel parallel structure. Because led strips are to be connected, each strip is specific. How long can be connected, and t ...read more...

Teach you how to choose the car audio that suits you.

With the large number of cars entering the homes of ordinary people, car audio is gradually favored by car owners. However, when someone is crazy about dynamic car music, more car owners lack a good understanding of car audio, and do not know how to install a car stereo that suits them. Here, we ...read more...

Modeling and Simulation Analysis of Electric Power Steering …

The electric power steering system itself is a relatively complex nonlinear servo system, which determines the difficulty in obtaining accurate mathematical models of the system. In addition, the system itself is affected by variables such as vehicle speed, accuracy and sensitivity of the torque ...read more...