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【Abstract】 Combining the experience of developing Chinese character LED display screen and teaching single-chip computer courses, this paper introduces a method of using the parallel expansion port of...[Details]
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The equivalent circuit method, also known as the low-frequency small signal model, is to regard the basic components in the amplifier circuit as a linear two-port network in the amplifier circuit...[Details]
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The program reference source code is as follows: #include AT89X52.H sbit ST=P3^5; sbit E1=P3^4; sbit MR=P3^7; char close ; char code wd ={undefined {0xFF,0xC0,0xFE,0xFE,0xFE,0xFE,0x80,0xFE,0xF...[Details]
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According to the latest research report released by Strategy Analytics, the total revenue of the global smartphone image sensor market in 2020 was US$15 billion, with overall revenue increasing by 13...[Details]
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When programming with SMART PLC, you will often encounter the need to transmit data from multiple RTU slaves. The master station of SMART PLC receives data transmitted from multiple slaves and disp...[Details]
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Why use bidirectional charging in the first place?
While bidirectional charging has many benefits, the economics of batteries become a core issue as more devices and systems are c...[Details]
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MCU:STM32F334C8T6 PWM, or pulse width modulation, can be used to drive motors, full-bridge circuits, etc. Those who have used STM32 know that its timer can easily achieve PWM output, and the advanced...[Details]
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How to control the speed of stepper motor
The rotation speed of the stepper motor can be achieved by controlling the frequency of the pulse signal and the motor driving method.
Puls...[Details]
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Since the beginning of the 21st century, along with the deepening of energy transformation, my country's energy system has undergone major changes, and the role of the power system in the energy su...[Details]
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China Mobile's Global Partner Conference was held in Guangzhou from November 14 to 16. With the official commercialization of 5G in China and the official release of 5G packages by operators, discuss...[Details]
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According to news on October 16, Serip has recently obtained the ISO 26262:2018 highest level ASIL D process certification for automotive functional safety issued by SGS, an internationally recognize...[Details]
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The internationally accepted definition of reliability is: the ability to complete specified functions under specified conditions and within a specified time. This definition is suitable for a syst...[Details]
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According to foreign media reports, Panasonic announced that it will stop producing liquid crystal display (LCD) panels by 2021 due to fierce competition from China, South Korea and other foreign com...[Details]
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Voltage reference is a simple, stable reference voltage. As a key factor in circuit design, the selection of voltage reference requires consideration of many aspects and compromises.
Differen...[Details]
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Create light.c:
Modify start.S:
Modify Makefile: add light.o
Finally, make succeeded and burning was successful.
Similarly, we can also call our assembly f...[Details]