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According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]

Introduction Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]

A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]

Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]

DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (paralle...[Details]

1. Design topic: Design a simple electronic keyboard that can produce seven notes: 1, 2, 3, 4, 5, 6, and 7. Components used: AT89C51, LM324, speakers, buttons, etc. 2. Design Pur...[Details]

1. Introduction With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]

3. Driving circuit design The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]

1. Project Introduction Energy consumption is an important controllable part of the cost of enterprise products. Reducing energy consumption is an important way for enterprises to reduce costs...[Details]

In the 8051 system, the data pointer DPTR is a special 16-bit register used to address the 64 KB XDATA or CODE space. It is usually used as a 16-bit pointer to a constant table. Dual data pointer...[Details]

With the development of modern science and technology, the demand for information is constantly increasing. Satellite navigation and positioning systems have received much attention, and their applica...[Details]

The MCS-51 microcontroller has multiple interrupt sources. Taking 8051 as an example, there are 5 interrupt sources, two external interrupts, two timing interrupts and one serial interrupt. In this...[Details]

When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]

The basic principle of solar power is: the collected light energy is converted into electrical energy and stored, and the stored electrical energy is released when the load is turned on. A typical ...[Details]

1. Research status of single-phase grounding fault in small current grounding system There are many methods for selecting lines for small current grounding adopted at home and abroad, whic...[Details]