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In modern society, when an elderly person is alone at home and encounters an emergency, he or she cannot make a phone call or call for help. This article designs a wireless emergency call system, so t...[Details]
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1. First, let's take a look at its interrupt vector table: From the interrupt vector table, we can see that if any IRQ interrupt source generates an interrupt, the CPU will read instructions at add...[Details]
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On October 7th, local time on Wednesday, Samsung Electronics announced that the company's next-generation 3-nanometer chip manufacturing technology will be postponed to 2022, and said that the...[Details]
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This program uses the 51 MCU timer T1 interrupt to control two LEDs to flash at different periods. It can help you intuitively understand how to use the 51 MCU timer, which is helpful for learning se...[Details]
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The new generation of direct digital frequency synthesizer DDS uses a fully digital method to achieve frequency synthesis. Compared with traditional frequency synthesis technology, DDS has the fol...[Details]
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1. Introduction
As an electronic component, light emitting diode (LED) has been around for more than 40 years. However, due to the limitation of luminous efficiency and brightness, it has been ...[Details]
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Sampling rate, as the name implies, is the rate at which analog levels are converted into discrete sampling points per unit time. The sampling process reflects the essence of a digital oscilloscope: d...[Details]
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According to foreign media SlashGear, with the help of AirPods, Apple is expected to have the largest share in the wearable device market in the long run. According to the unit shipment data of ...[Details]
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_undefined_instruction is a label. When processing here, as will place the value of undefined_instruction in 16-bit format at this label.
ldr pc, _undefined_instruction
It is to take the val...[Details]
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The P1 switch controls the low four-bit running water light. The speed is a bit fast, so adjust it yourself. There are notes. The microcontroller source program is as follows: #include reg51.h ...[Details]
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Home automation systems are becoming more and more popular day by day and now it has become easy to turn certain appliances on and off by using some simple control mechanisms like relays or switche...[Details]
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In the current field of artificial intelligence, processor design is gradually shifting from pursuing absolute performance to seeking the optimal balance between speed and efficiency.
Th...[Details]
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The MCU shortage is unlikely to be alleviated due to the concentration of production capacity and repeated epidemics. MCU is the core chip used for automotive control, and its application scope cov...[Details]
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The automobile water pump is an important component of the engine cooling system. Its function is to pump coolant so that the coolant flows quickly in the cooling water channels of the engine to ta...[Details]
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MCU
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