Sun Wukong went to the street alone and saw a fortune teller who wrote "Iron Plate Divine Calculation" and signed "Bull Demon King's Book". There were many people around him, and he was probably a lit...
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...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
Talking
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