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//The relationship between the key and the key scanning result is as follows: // key scanning result (result) key scanning result // K10 0XE7 K18 0XB7 // K11 0XEB K19 0XBB // K12 0XED K20 0XBD /...[Details]
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Farnell, the Development Distributor, has announced the launch of the new Raspberry Pi High Quality Camera Module, featuring a 12MP UHD camera and interchangeable lenses. The Raspberry Pi High Qualit...[Details]
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The LED can be turned off by using the shutdown control pin of MAX684 or the enable control pin of MAX1916. For white LEDs with a forward
voltage
of 3.5 to 4.2V (at 20mA),
a
boost
...[Details]
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The XC9509 series consists of a step-down DC/DC converter and a high-speed LDO voltage regulator connected in parallel with the output of the DC/DC converter. A voltage detector is also built in. S...[Details]
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Horizon Robotics has announced that it has launched a C round of financing with a total amount of more than US$700 million. It has completed a C1 round of financing of US$150 million, led by 5Y Capit...[Details]
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The content of this chapter's blog mainly revolves around dynamic digital tube display. Dynamic digital tube display is slightly different from static digital tube display, mainly in adding delay fun...[Details]
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Many people have seen the movie where a computer expert can control a bunch of cars with just a few tinkerings, and make them go wherever they want. After watching the movie, while feeling very excit...[Details]
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1 Introduction Virtual medical instruments make full use of the rich software and hardware resources of computers. Only a small number of special software and hardware modules are added...[Details]
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Many people may have imagined themselves as an agent like 007. In many spy movies, the cars driven by the protagonists are very cool. Not only are they fast, they can even be used as weapons or for c...[Details]
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热电偶是一种常见的被动测温元件。它也是一种有源传感器,测量时不需外加电源,并且测量温度范围(高达2000°C)很广。它可以快速响应,故系统运行几乎没有显著的延迟。 Thermocouple structure diagram: Thermocouple has a simple structure, mainly consisting of two metal wires form...[Details]
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It was still the combination of 89C52 and 12232. But there was no datasheet for this 12232. In the end, I relied on my own analytical skills and a little trust in the seller's information (which now s...[Details]
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This morning, Li Xiaolong, vice president of Huawei's mobile phone product line, posted his first VLOG on Weibo, in which he clarified some issues related to pollen. 1. Why did you choose to make m...[Details]
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Since DS18B20 is a single-line operation, its timing requirements must be strictly followed in order to establish normal communication with it and implement read and write operations. Most of the p...[Details]
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Question: Assume that the internal RAM stores two signed numbers in units 30H and 31H. Try to compare their sizes, store the smaller number in unit 30H and the larger number in unit 31H.
Under...[Details]
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1 Introduction In the information age, both mobile phones and home appliances are gradually integrated into the network. Information appliances are consumer electronic products that integrat...[Details]