Career choice in life is also important. It is not only related to personal development and the level of quality of life, but also reflects the value of life and shows the style of life. I have been t...
1. Draw text information on the screen#MicroPython动手做（37）——驱动LCD与图文显示
#在屏幕绘制文本信息import mixno
import lcd
import imagelcd.init(freq=15000000,color=0x0000)
image = image.Image()
image = image.draw_string...
[i=s] This post was last edited by paulhyde on 2014-9-15 08:57 [/i] Tell me what competitions you have participated in. There are so many e-sports competitions in this world nowadays, it makes me dizz...
During the summer vacation, I went home and lay on the dam, looking up at the starry sky. Suddenly, I saw a shooting star passing by. There were also stars that were not moving. The children asked him...
STM32L476RG and STM32F405RG are both 64pin and basically compatible, so I tried to replace the STM32F405RG on PYBV10 with STM32L476. This way, not only can I use micropython, but also support low powe...
A memory checking routine is as follows: [code] for(i = 0; i < NUM_MEM_AREAS; i++) memory_map[i].used = 0; /* first write a 0 to all memory locations */ for(addr = MEM_START; addr < MEM_END; addr += P...
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Talking about work
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