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The P0 port of the 51 microcontroller works in the ordinary IO port mode and is a bidirectional IO port. When working in the second functional state, it is a standard bidirectional IO port. Since the...[Details]
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The previous three articles respectively introduced how to transplant ucGUI on STM32 bare metal, transplant ucGUI source routines, and ucGUI storage devices and anti-aliasing. The process of transpla...[Details]
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Abstract: Soft switching technology has been greatly developed and applied in DC/DC conversion and single-phase DC/AC conversion. In three-phase DC/AC inverter, researchers have also done a lot of ...[Details]
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1. Circuit diagram analysis 1.1 Dot matrix experiment diagram P0 controls all rows, and P0 outputs low level and is effective; 74hc595 output controls all columns, and outputs high level and is e...[Details]
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The execution of each instruction by the computer can be divided into three stages. That is, fetching instructions, analyzing instructions
, and executing instructions. The task of fetching instru...[Details]
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Induction heating
Power supply
is widely used in metal heat treatment, quenching, annealing, heat penetration, melting, welding, heat sleeve,
semiconductor
material refining, pla...[Details]
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After using STVD to create an assembly project (for the specific creation method, you can see my other blog post http://blog.csdn.net/u010093140/article/details/49983397 ), you can see this directory...[Details]
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This paper introduces a design scheme of an optical fingerprint recognition system based on ARM. This scheme uses ARM processor as the control core to construct the design method and process of em...[Details]
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With the strengthening of people's energy-saving awareness and the maturity of LED lighting technology, the LED lighting market has been initially formed, and this market will become larger and lar...[Details]
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The ground resistance tester is a special instrument developed based on Ohm's law and the four-wire method for the power industry. It is a new type of ground resistance measuring instrument, which is...[Details]
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Volvo's 2019 new car launch plan has been exposed. The plan is to launch four products this year: the new XC40, the new V60, the new XC90 and the new S60. At present, the new XC40 has been launched, ...[Details]
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Where can high-performance storage appear at the farthest point?
For Kioxia, almost all intelligent devices are closely related to storage, from the distant space to the mobile phones and hom...[Details]
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How to drive 74hc595 with a single chip microcomputer: http://www.51hei.com/chip/1799.html MCU driver 74hc595 74hc595 Appearance _______ QB--|1 16|--Vcc QC--|2 15|--QA QD--|3 14|--SI QE--|4 13...[Details]
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0 Introduction
For the 8051 chip structure based on the flash controller, generally, when performing data transmission, the data is first transmitted to the buffer of the flash controller through th...[Details]