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The human infrared sensing module circuit is mainly composed of a human infrared sensor, a Fresnel lens, and a dedicated chip BISS0001. When someone appears in its detection area, the sensor can de...[Details]
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Wireless charging technology is not new. It is just that the design scheme was limited in the early days because wireless charging technology could not achieve high power, high-speed charging and sa...[Details]
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Recently, we learned from online channels that during the 2020 World New Energy Vehicle Congress in Haikou, at the plenary session held on the afternoon of September 28 with the theme of "Sustainable...[Details]
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I recently made a code to drive a white LED with 430. It used the common peripherals such as ADC and PWA that I used before. I found that my understanding of the chip is still too basic. Now I will r...[Details]
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After 7 years, Google's Android 12 operating system overturned the original Material Design and introduced a new UI design language called Material You, which caused quite a stir in the design ...[Details]
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On the evening of September 9, smartphone brand vivo held a new product launch conference to launch its flagship imaging smartphone X70 series. The vivo X70 series has three products, namely v...[Details]
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High reliability, powerful functionality, high speed, low power consumption and low price have always been important indicators for measuring the performance of microcontrollers, and are also necessa...[Details]
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Abstract: This paper makes a detailed analysis and comparison of several aspects that affect the reliability of switching power supplies, and proposes a solution to improve the reliability of ...[Details]
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Recently, I took over a project that required some very basic microcontroller operations. The only thing worth mentioning was that due to the task requirements, I needed to use a single-line communic...[Details]
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0 Introduction
With the continuous development of society and the popularization of informatization, various software are increasing and playing an increasingly important role in daily lif...[Details]
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This section describes how to use the internal ADC of LPC1343. Design an experiment to use channel 0 of the ADC for AD conversion and send the conversion result through UART to the serial terminal sof...[Details]
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Working principle: The figure above is a control circuit that uses the droop method to achieve current sharing. In the figure, the current detection resistor of module k (k=1,2,…,n) uses the detect...[Details]
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51 MCU has a pin called EA (pin 33) as the on-chip program memory selection signal. When using the MCU with program memory 8751, /EA (pin 33) must be grounded, that is, low level is effective. The ...[Details]
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The time slice polling method is mentioned in many books, and it often appears together with the operating system, that is, it is often used in the operating system. However, the time slice polling m...[Details]
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Here is an overview of the pros and cons of these motors:
1. Advantages:
(1) Low cost:
Two-phase permanent magnet (PM) stepper motors are generally less expensive than similarly size...[Details]
Microcontroller MCU
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