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On August 29, Sunlord Electronics released its semi-annual report showing that from January to June 2019, the company achieved operating income of 1.217 billion yuan, a year-on-year increase of 7.77%...[Details]
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According to foreign media reports, because sloths move very slowly, even when they are moving at full speed, they burn relatively few calories and therefore need very little food. Scientists have no...[Details]
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Every four clock cycles of the PIC microcontroller is an internal instruction cycle.
For example: for an 8MHz crystal oscillator, the internal instruction cycle is 1/(8/4) = 0.5 uS
Example 1: 35u...[Details]
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ByEdwin Romero The Controller Area Network (CAN) protocol is a specification designed in the mid-1980s for the automotive industry to reduce the complexity (weight, quantity and cost) of wiring fo...[Details]
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1. Measuring diodes The digital multimeter has a "diode, buzzer" position in the resistance measurement range. This position has two functions. The first function is to measure the polarity...[Details]
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Don't you envy others for their wireless power supply? But the complex circuits and the components you can't find discourage you from DIY! Don't be discouraged. Today I will teach you how to do the...[Details]
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On June 6, 2019, the Ministry of Industry and Information Technology officially issued 5G commercial licenses to China Mobile, China Unicom, China Telecom, and China Broadcasting Corporation, mark...[Details]
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Temperature and humidity detection design. Based on 51 single-chip microcomputer, ESP8266WiFi module, temperature and humidity DHT11 sensor, and Android APP. First, the designed object will be shown,...[Details]
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A histogram is also called a column chart. It is a graph that uses a series of rectangles of equal width and different heights to represent data. As shown in Figure 1(a), the width of the rectangle...[Details]
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For s3c2410 and s3c2440 development boards, their CPU IDs are all 0x41129200, in the _ _arm920_proc_info structure in arch/arm/mm/proc-arm920.S.
The development board parameters are defin...[Details]
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In test and measurement work, we often need to describe all periodic signals. In this case, we will use amplitude and phase. Then the phase change of the signal must be calculated when the signal pas...[Details]
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Regarding the interrupt of STM32, I believe that friends who have played with microcontrollers know that interrupt is a major advantage of MCU, which enables MUC work to distinguish the "priorities"...[Details]
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The hot sales of Apple AirPods have driven TWS headphones to become popular all over the world, followed by traditional headphone manufacturers and terminal mobile phone brand manufacturers such as S...[Details]
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According to PlayStation LifeStyle, British writer Sandeep Rai recently held a crowdfunding event on the Kickstarer platform, attracting many Sony PS fans to participate. This crowdfunding ca...[Details]
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This paper introduces a method of using the multiple interrupt modes generated by the I2C real-time clock chip HYM8563 to wake up the 80C51 series microcontroller that has entered the power-off sta...[Details]
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