On the evening of March 31st, OPPO and Zhejiang TV jointly created the “Young Make the Future†spring festival and the OPPO R15 new product launch event. Before the press conference, we sneaked into the OPPO Industrial Park …
After feeding the silkworms with graphene or single-walled carbon nanotubes, the toughness of the discharged silk is doubled, and the electrical conductivity of the carbonized silk is 10 times higher. This "super strong" silk can be …
Defected Ground Structure (DGS) is one of the hotspots in the microwave field. It is developed from the photonic band gap structure (PBG). DGS etches the defect pattern on the ground plane to change the distr…
In industrial control applications, the RS485 bus is widely used due to its simple interface, convenient networking, and long transmission distance.
RS485 and RS232 are all based on the serial port communicat…
Huawei held a new product launch conference in Paris, France, and launched the HUAWEI P20, P20 Pro and the ultra-high-end Mate RS products. Among them, the P series mobile phone is mainly designed and photographed, and the Leica three photos a…
In the production process, the product is manually affixed with black cotton and film on the corresponding position of the mobile phone screen. The accuracy and consistency are poor, and the efficiency and production capacity are far from sufficient. Based on this, a set of au…
On March 25th, 2018, the 2018 first blockchain technology application and investment high-end seminar will be held in Beijing, sponsored by Beijing Blockchain Technology Application Association, co-organized by Xinghe Space and exclusively sup…
This article describes a simple motor speed control circuit, without the use of mechanical gear transformation to change speed, improve the efficiency of the use of mechanical equipment.
This simple electronic…
China's grid voltage is 220 volts and 50 hertz. Air conditioners operating under these conditions are called fixed-frequency air conditioners. Because the frequency of power supply cannot be changed, the co…
The output of the sequential logic circuit at any one time depends not only on the input at that time, but also on the input at each moment in the past. Common sequential logic circuits include flip-flops, counters, registers, and so on. Since…
Synopsis: At the end of the 70s of the last century, Xie’s own daughter entered Luo’s family and became a daughter of Luo’s baby, named Luo Jiabao. Luo Jiamaâ…