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The formaldehyde detector is currently the most advanced formaldehyde detector in the world. It is a direct-reading analyzer specially used to detect low-concentration formaldehyde content in the fie...[Details]
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At the three-day "HUAWEI CONNECT" Huawei All-Connect Conference, Ma Haixu, President of Huawei's Intelligent Computing Business Unit, delivered a keynote speech entitled "Providing the World with the...[Details]
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Let's start with the simplest problem, using the STM32 external interrupt method to implement the PB.0 button to control the PA.0 LED light: First, let's talk about the steps to implement the interru...[Details]
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There is a special definition method for interrupt service routines: void interrupt ISR(void); the function name "ISR" can be changed to any legal combination of letters or numbers, but its input par...[Details]
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Solid-state LED lighting has become increasingly popular in recent years . Here, I attempt to analyze the complexity of LED color technology and how to control it. About Additive Color Mixing...[Details]
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In this system, the 8031 on-chip RAM and the 8155 on-chip RAM are used as monitoring work units, and the external 2K RAM is used as the collected data buffer, print buffer, keyboard and display b...[Details]
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Translated from - techradar Samsung's CES 2020 booth was filled with gadgets, but the best thing we saw was the Robot Chef, a pair of robotic arms that made our salad on command. At CES 2020,...[Details]
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Power Inverter Principle
A power inverter (car power supply) is a convenient power converter that can convert DC12V direct current into AC220V alternating current, which is the same as the m...[Details]
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I. Introduction UCOSii has officially provided many porting examples, so porting UCOSii by yourself is not an economical approach. However, in order to understand the compatibility issues faced by an...[Details]
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In the past decade or so, the requirements and standards for indoor air quality have been continuously improved both at home and abroad. Accordingly, a series of standards and specifications have bee...[Details]
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When the watchdog timer overflows, a reset pulse with a duration of 1 CK cycle will be generated. At the falling edge of the pulse, the delay timer starts counting tTOUT. Please refer to P44 for the ...[Details]
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The frequency range of active filters is from DC to 500KHZ, and they have replaced traditional LC filters in the low frequency range. In particular, it is impossible to implement LC filters at very l...[Details]
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According to the latest news from investment promotion, OFILM's optical and optoelectronic industrial base project is expected to be officially put into production before May 1. On June 3, 2020, the...[Details]
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There are no 16-bit operation instructions in 8-bit microcontrollers. All int data must be operated separately by two bytes. The method used is different, the generated code is different, and of cours...[Details]
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On January 2, according to foreign media reports, after the Pixel phone updated the December security patch, the Pixel Launcher had an error. The report pointed out that some users noticed tha...[Details]
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