[PConline sea election shopping guide] In order to allow their products to get a higher degree of attention, mobile phone manufacturers in recent years to improve the speed of product replacement, some models with a longer time to market will withdraw from the market, there

Manufacturers supply LED lamp bead SMD LED 0805 yellow light super bright indicator light dedicated Crystal patch 2520 2.5*2.0MM 16MHZ 16.000MHZ 1.6V~3.6V universal OSC The DS3231M is a low cost, high precision I2C real time clock (RTC). The device contains a battery inp

With the introduction of new smartphones and tablets, routers have become a "requisite" for televisions for many families. But often these "heroes" can only quietly stay at the corner because of issues such as modeling and signals. Glory router is a full

VR panoramic video can bring users a very cool viewing experience, but investment in VR panoramic video needs to be cautious. Many people are also very interested in VR panoramic video investment. How can VR panoramic video investment make money? VR is currently relatively

It just looks like a very ordinary mixer, but in reality it's as hard to control as the devil (this is the kind of devil that doesn't give money), it will make your carefully crafted tracks. All destroyed. If the gain process is set up indiscriminately, that is, the gain from the signal i

Photocoupler The circuit is used to detect, amplify, limit, and demodulate the FM carrier, and the remote speaker reaches 2.5W through audio ρ program demodulation. Any AC outlet can be plugged into the same side of the distribution transformer. The carrier signal is o

The first trick: tighten the ultra low frequency Purpose: To create a refreshing, clean ultra low frequency effect Means: The subwoofer crossover is 45-110 Hz, and the equalizer is attenuated in the frequency band below 40 Hz. First, the sound is tightened. Do not drag the water, then attenua

There is no limit to creativity, and the instrument is invented. Today we introduce a national invention patent for authorization - an antifreeze and antifreeze type smart water meter . The patent was applied by Jiangsu Guoneng Instrument Technology Co., Ltd. and was authorized to be announced on Ma

The MH800 series hydraulic servo system is a specially developed hydraulic servo upgrade product based on Intensive's in-depth study of hydraulic machinery process and parameters. High-performance vector control easily realizes the extraordinary quality of lean, high-efficiency, energy-saving an

What is the difference between a blue LED and a normal LED? Where is the advantage of Blu-ray LED? First of all, we must know that according to the wave-particle two-image relationship of De Broglie, the energy of a photon is equal to the frequency of light multiplied by th

The first Huawei mobile phone open day was held in Shenzhen Huawei Park. Huawei's consumer business CEO Yu Chengdong shared the history of Huawei's struggle with the media, and revealed that the Huawei P10 two-size flash memory purchase price difference is very small,

Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM 0805RGB flashing Photocoupler The U1-c gate is used as an oscillator whose frequency depends on C1 and R1. The U1-b and U1-d gates are used as RS flip-flops for U1-a gating. U1-a gate and Q1