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Sony/Hisense/Changhong TV automatic shutdown circuit
The following figure is the automatic shutdown circuit commonly used by Sony, Hisense, and Changhong TV sets. The circuit is very simple and cle...[Details]
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Abstract: A multi-channel video surveillance system is designed using two TI dedicated video processing chips TMS320DM642. Among them, DSP1 and video acquisition chip SAA7113 complete the acquisiti...[Details]
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Opening remarks:
The previous section talked about the marquee program that turns on and off one by one. This section is based on the previous section, with some modifications, and continues to talk ...[Details]
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This article introduces an infrared lighting fill light system that uses a low-cost, high-efficiency boost power management chip CP2122B1 to drive an infrared emitting diode. Based on the characterist...[Details]
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Apple has never given up its plan to acquire Tesla. Especially since this year, Tesla's sales have dropped sharply, causing the company's market value to suffer a heavy blow, which also made Apple sm...[Details]
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1. What is byte alignment and why do we need it? In modern computers, memory space is divided by bytes. Theoretically, it seems that any type of variable can be accessed from any address, but in ...[Details]
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On September 1, the People's Government of Hebei Province issued the "Several Measures for Promoting High-Quality Development of Private Investment in Hebei Province", which mentioned:
Support...[Details]
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We have learned how to light up a small LED light, and then how to make the small LED light flash. Now we need to learn how to make 8 small lights light up one by one in sequence, which is often call...[Details]
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OmniVision Technologies has introduced the world’s first automotive wafer-level camera, the OVM9284 CameraCubeChip™ module, which is the world’s smallest automotive camera and provides a one-stop ser...[Details]
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In recent years, the rapid development of the optoelectronic industry has received widespread attention from the society. As a visual communication medium for human-machine information, display produc...[Details]
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1 Introduction Early embedded systems used in software design of eight-bit single-chip microcomputers were mainly foreground and background systems (or super loop systems). The program was ab...[Details]
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- What is IIC bus The IIC bus is a special form of synchronous communication, with the characteristics of few wiring ports, simple control, small device package, and high communication rate. In maste...[Details]
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Recently I saw an article about a self-made multimeter on the Internet. I thought it was good, so I translated it and recommended it to my colleagues. Of course, my level is limited, so please correc...[Details]
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According to foreign media reports, Ford Motor Company recently announced that it has obtained a patent for "humidity sensing seat technology" from the US Patent and Trademark Office. Ford's paten...[Details]
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01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]