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1 Circuit structure and working principle The main circuit structure of the new variable frequency power supply is shown in Figure 1. D1~D4 are conventional rectifiers, S1~S4 are conventional invert...[Details]
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1. Introduction
LED (light emitting diode) display screen is composed of light emitting diode array. Light emitting diode (LED) is a current control device with the advantages of high brigh...[Details]
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Want to know the progress of China's driverless car research and development? It is worth taking a look at the two recently released reports. Beijing allowed companies to test self-driving cars on ...[Details]
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This article mainly introduces the design of multi-channel video acquisition circuit, USB interface circuit, serial port conversion and communication circuit in the hardware design of video monitor...[Details]
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Integrating NFC with mobile phones to provide consumers with a way to conduct valued transactions in a close proximity sensing manner is a function that is now widely discussed and implemented. How...[Details]
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Two major news on May 15 had a significant impact on the investment community, as follows: First, the world's largest semiconductor manufacturer, Taiwan's TSMC, announced that it has decided to bui...[Details]
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1. Control the on and off of one or more lights Assembly Implementation ;Notes LOOP: ;SETB P1.1 ;(1) Turn off the light MOV P1,#0FFH; LCALL DELAY; (2) Delay for a period of time ;CL...[Details]
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Multiple switching topologies available to enable complex test setups
Pickering, a leading manufacturer of signal switches and simulation solutions for electronic testing and verific...[Details]
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Whether it is a traditional fuel vehicle or a new energy vehicle (PHEV), the long-term safety and reliability of the vehicle have become an important indicator of vehicle quality. As we all know, t...[Details]
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Composition of ARM image file The so-called ARM image file refers to the bin file burned into the ROM, also known as the image file. It is called the image file below. The image file contains RO and ...[Details]
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PIC series 8-bit microcontrollers have a variety of models to suit various purposes. However, although PIC microcontrollers have different grades and models, their most basic components are similar. T...[Details]
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1 Introduction Important units or key components such as measuring instruments, data acquisition systems, servo systems, and robots need to record their status and perform necessary system configurat...[Details]
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On the 24th of this month, Xiaomi 9 Pro was officially released. What’s interesting is that such a 5G mobile phone was reduced in price in disguise as soon as it was released. Currently, China Mobile...[Details]
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The pyroelectric infrared detector is a photoelectric detection device composed of a pyroelectric infrared sensor, a Fresnel lens and an electronic circuit. It can detect the infrared rays radiat...[Details]
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6410 Development Board:
1.uboot entry:
To see the entry of the uboot project, first open the Makefile in the top-level directory:
The development boards supported by Uboot will...[Details]