Xingyu shares (601799) announced on the evening of the 27th that the company's wholly-owned subsidiary Xingyu Automotive (Hong Kong) Co., Ltd. will acquire a 70% stake in Neue I&T.

On August 26, Xingyu Hong Kong signed a transfer agre…

During long-term use, it will be found that when the camera lens is aligned with the LED display , occasionally there will be inexplicable water-like stripes and strange colors (as shown in Figure 1), also known as Moiré pattern. phenomenon.

The quantitative signal output by the ionization chamber is a weak signal in the nanoampere range, and the output impedance is extremely high. Therefore, the amplifier matched with it must not only have a large amplification factor, but also a high input impedance and low noise to meet The…

The announcement of the Nobel Prize in Physics this year has once again brought Blu-ray LED technology to the focus, and this technology has been widely used in Suzhou urban lighting.

Compared with the previous Nobel Prize in Physics, Blu-ray…

Helenzhe (300201) released its third-quarter results forecast on the evening of the 28th. The company's operating income in the first three quarters was 32,000 - 380 million yuan, an increase of 22%-45% over the same period of the previous year; t…

After reading the disassembly of the iPhone6, you will be wondering why the iPhone6 ​​board has two accelerometers. Let's analyze it.

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1, application requirements

Large-scale energy-consuming enterprises have a large number of material transportation vehicles entering and exiting every day, requirin…

Ruifeng Optoelectronics (300241) announced on the evening of September 12 that today, the company received Mr. Gong Weibin’s “Notice on the Implementation Progress of the Share Reduction Program”, and Mr. Gong Weibin reduced the com…

1 Introduction

The brushless DC motor (BLDC) replaces the brush and the commutator with an electric control device, improves the reliability of the motor, and has the advantages of small size, high efficiency, low noise, etc., and is widely use…

Now LED purchase inquiry generally asks what chip the light source uses. If you are familiar with some, you will also ask the chip size of the light source, and then according to the same chip and the factory promised warranty time, etc. Comparing prices, but the same chip with different pa…