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1. Experimental tasks As shown in Figure 4.9.1, switch SP1 is connected to the P3.7/RD pin. There are four light-emitting diodes connected to the P1 port of the AT89S51 microcontroller. When powered ...[Details]

TL494 is a fixed frequency pulse width modulation circuit, which includes all the functions required for switching power supply control and is widely used in single-ended forward double-tube, half-br...[Details]

If we talk about the hot areas in the industry in recent years, collaborative robots will undoubtedly occupy a place. According to incomplete statistics from Gaogong Robot, since 2020, there have b...[Details]

Design uses Renesas' new Automotive High-Definition Link (AHL) technology and OmniVision's OX01F10 1.3MP SoC to deliver low-cost, high-quality video; demonstration to be held at AutoSens, Belgium, Se...[Details]

　　I. Introduction   　　With the continuous development of electronic technology , many household electrical appliances such as color TVs, refrigerators, air conditioners, etc. have been labeled as i...[Details]

This paper systematically studies the causes of dark current in solar cells. Dark current includes not only reverse saturation current, but also sheet leakage current and body leakage current. In t...[Details]

       With the Microsoft Band no longer being supported in 2016, Microsoft's exploration of wearables has come to an end. But this does not mean that Microsoft has given up on this field. It has app...[Details]

Recently, Shenzhen INVT Electric Co., Ltd. was awarded the "Guangdong Province Contract-abiding and Credit-worthy Enterprise Certificate" in the publicity activity of "Guangdong Province Contract-a...[Details]

In the previous article, we have already covered the differences in specifications between the Arduino and ATtiny series AVR microcontrollers. However, another major difference between the two is the...[Details]

The global energy shortage problem has caused governments around the world to vigorously promote new energy-saving policies. The energy consumption standards for electronic products are becoming more...[Details]

The term power factor originates from the basic AC circuit principle. When a sinusoidal AC power supply supplies power to an inductive or capacitive load, the load current is also sinusoidal, but i...[Details]

Poly builds a one-stop office collaboration SaaS ecosystem, joins hands with Tencent Cloud and Tencent Meeting to create a new intelligent collaborative office scenario in China   At the "Smart Meeti...[Details]

case analysis Here are three types that are often encountered: It is known that the 8051 microcontroller's fosc=12MHz is timed by T1. Try to program the P1.0 pin to output a square wave with a peri...[Details]

1 Introduction Because of its excellent characteristics such as low voltage, micro-power consumption, and the ability to be directly driven by CMOS circuits, liquid crystal display methods have been ...[Details]

Breadboard, in simple terms, is a test board for plugging circuits. The front of the breadboard is full of holes, but all the holes on this board are not independent, but connected together according...[Details]