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1 Introduction
LED is a type of light-emitting device that can directly convert electrical energy into visible light and radiation energy. It has a series of characteristics such as low operating...[Details]
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When a relatively high voltage rail (12V) must be stepped down to relatively low levels (3.3V, 1.8V), the converter traditionally used is a DC/DC switching controller driving an external MOSFET. I...[Details]
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The top-level makefile of U-BOOT is different from the top-level mkefile of Linux. Each board has a configuration definition, as follows. You need to configure it before you can make it.
forli...[Details]
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In Keil functions, it is very convenient to debug using printf function. But you must pay attention to:
1. The serial port must be initialized first, otherwise it may cause a crash, and TI should be ...[Details]
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Analog ground/digital ground and analog power supply/digital power supply are just relative concepts. The main reason for proposing these concepts is that the interference of digital circuits on anal...[Details]
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introduction
The history of eye diagram is not long. It was born about 47 years ago. The traditional eye diagram measurement method is to use a sampling oscilloscope . Even professional engineers...[Details]
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Introduction to various video signal formats and terminals
The readers of this magazine all have a certain basic knowledge of electronics. Video signals are the display signals we are most...[Details]
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When repairing a motor, the key is to first determine the three-phase fixed hand winding and its head and tail ends of the three-phase asynchronous motor. Based on my own teaching practice experience...[Details]
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Photovoltaic
power generation industry is an emerging industry with a rapid development trend. Photovoltaic lighting is a pillar industry in the photovoltaic industry. Since the electricity...[Details]
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Anion exchange membrane fuel cells (AEMFCs) convert chemical energy into electrical energy by transferring anions through a membrane. This type of battery has attracted much attention due to its adva...[Details]
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On the afternoon of October 28, the "China Green Company Alliance Roundtable Meeting· Xiaomi Station" was held at Xiaomi yesterday. Lei Jun, founder, chairman and CEO of Xiaomi , shared Xiaomi's m...[Details]
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Generally speaking, the speed of the shaking test will not affect the measurement of fixed high-value resistance as long as the speed is uniform. Because from the perspective of the measurement mecha...[Details]
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A novice looked at the s3c2440init.s startup code and summarized it as follows: 1. Turn off the watchdog 2. Turn off all interrupts 3. Set the clock frequency 4. Initialize SDRAM 5. Initial...[Details]
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The scale of SoC chips is generally much larger than that of ordinary ASICs. At the same time, the design difficulties brought by deep submicron technology have greatly increased the complexity o...[Details]
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On November 4, 2024, MACOM Technology Solutions Holdings, Inc. (MACOM) announced that the company has been selected to lead a development project funded by the U.S. Department of Defense (DoD) to a...[Details]
Power technology
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