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The timing counting function of the 89C51 microcontroller is controlled by the special function registers TMOD and TCON.
TMOD has no bit address and cannot perform bit operations. The names and func...[Details]
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Power supply : conversion efficiency reaches more than 90% One of the features of the PS4 is that it has a built-in power supply that converts AC power supplied from the outlet into DC. Ninte...[Details]
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The gradual maturity of the IoT ecosystem and the electronic intelligence of automobiles have become the twin engines of MCU development. With these two applications at the core and combined with ne...[Details]
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Figure 1
SPWM
Without injecting zero-sequence component, the fundamental component of three-phase output voltage can be expressed as:
SPWM injection of zero-sequenc...[Details]
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//******************************************************************************
// Date: 2009.8.16
// Author: xurafreedom
// Email: freedomxura@gmail.com / mxh20999@163.com
// Blog: http://xurafr...[Details]
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Non-isolated
buck power supply
is a commonly used power supply structure, accounting for more than 90% of fluorescent lamp power supplies. Many people think that non-iso...[Details]
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1: The colored end of the ordinary diode is marked as the negative pole; Second: The longer leg of the LED is positive, and the shorter leg is negative. If the legs are the same length, the l...[Details]
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Infineon Technologies to invest more than EUR 2 billion in Kulim, Malaysia to expand production capacity for wide bandgap semiconductors and further strengthen market leadership Infineon Technolo...[Details]
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The TinySwitch-PK multiple output power supply shown in Figure 1 can provide 7.5W of continuous output power and 13W of peak power. Typical applications include DVD players or set-top boxe...[Details]
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one
Definition of palletizing function
By teaching several representative points, workpieces can be stacked in order from the bottom to the top.
two
Types of palle...[Details]
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Regarding S7-1200PLC programming with parameters and programming without parameters, mainly FC and FB, this programming method can mainly realize repeated calls and transplantation between programs...[Details]
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A computer's instruction set is the collection of all instructions it can execute. The 8051 instruction system has a total of 111 instructions, which are composed of 42 mnemonics and 7 addressing mod...[Details]
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0 Introduction
White LEDs are increasingly used. The forward voltage drop of a white LED is about 3.4 V, with a typical value of 3.5 to 3.8 V. The output voltage of lithium-ion batteries, w...[Details]
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Today's cars are not just a means of transportation, they also shoulder the significance of improving the quality of life. In addition to saving fuel and electricity, today's cars need to be safer, ...[Details]
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The power CAN bus system is a communication protocol widely used in the fields of automobiles, industrial automation, aerospace, etc. It has the characteristics of high speed, reliability, flexibil...[Details]