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9013 is an NPN type silicon low-power transistor. It is a very common crystal transistor. It is often seen in radios and various amplifier circuits. It has a wide range of applications. It is an npn ...[Details]

The row direction of the circuit is scanned by ports P0 and P2. Since port P0 has no pull-up resistor, a 4.7k*8 resistor is connected to pull it up. If there is no resistor, 8 ordinary 4.7k 1...[Details]

Watchy is an open source watch powered by E-Ink that is designed to be worn directly or further customized with different 3D printed cases and straps. It is both a unique watch system and a wearable ...[Details]

Nidec Transmission Technology Co., Ltd. will participate in the 2023 Tokyo International Robot Exhibition in Japan Nidec Corporation's group company Nidec Transmission Technology C...[Details]

In 1897, KF Braun improved the Crookes tube, making the electron beam current controllable to change the brightness of the light spot, thus making practical cathode ray tubes, such as oscilloscopes a...[Details]

1 System Introduction Each station along the railway is equipped with a large lighthouse for lighting. At present, the control of lighthouses generally adopts a centralized control method, and mult...[Details]

　　introduction 　　With the development of USB technology, USB flash drives have been widely used in PC systems, basically replacing floppy disks. PC systems can boot from USB flash drives. Due to the ...[Details]

As Apple's industrial chain was going through the winter, Goertek, a global leader in the micro-electroacoustic field, suddenly stopped an acquisition aimed at entering the radio frequency chip field...[Details]

The incremental encoder code disk is composed of many grating lines, with two (or four, and we will discuss four photoeyes later) photoeyes reading A and B signals. The density of the lines determi...[Details]

Simulation circuit diagram: Simulation experiment results: C language program code: //------------------------------------------------*/ #include reg52.h //Include the header file. Generally, n...[Details]

"People who talk about how many kilometers their car (smart driving) has traveled every day are actually very amateurs." "Urban NOA actually only costs 7,000 yuan, and gas trucks can also be used."...[Details]

1 Introduction The volume control IC introduced in this article is M62429. There are many similar products on the market, such as FM62429, CD62429, CSC62429, etc. In fact, if you...[Details]

　　Analog IC designers (especially DC/DC regulator IC designers) seem to not appreciate the hard work of digital IC designers as these magicians who tinker with digital "ones" and "zeros" discard old ...[Details]

Recently, OPPO's new 5G phone with model "PCKM70" was connected to the network. Judging from the pictures, it is built on the basis of the OPPO Reno 10x zoom version, but with an upgraded processor. ...[Details]

With the continuous integration of many technological breakthroughs and new streaming services, and the growing prosperity of the smart home and smart speaker markets, consumers' demand for audio i...[Details]