[i=s]This post was last edited by dcexpert on 2021-2-6 20:42[/i]You need to flash the circuitpython firmware first , then copy adafruit_hid from the adafruit binding library to the lib directory of th...
Source: [url=http://www.top-e.org/]Top-E Original[/url] When we write a C language program, we often encounter many repeated or commonly used parts. It is OK to rewrite them every time, but that will ...
1. Main parameters of commonly used inductors
1. Inductance L
Inductance L is also called self-inductance coefficient, which is a physical quantity that represents the self-inductance ability of induc...
[align=center][color=rgb(18, 119, 221)][font=Fangzheng Lanting bold black, Microsoft elegant black][url=https://bbs.eeworld.com.cn/thread-926795-1-1.html]I am a great detective: looking for the lost T...
I found an example of Verilog driving MAX7219 on the Internet. The code is as follows:
module MAX7219(input clk_i,input rst_i,//inout wiresdo_i,//串行数据回读output reg sdin_o,//串行输出数据output reg sclk_o,//串行...
Xilinx, Inc. announced a solution that integrates Xilinx Automotive (XA) field programmable gate arrays (FPGAs) and intellectual property (IP). This integrated solution is included in the low-power In...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
With the reform of the education system, the proportion of funds invested in teaching facilities by colleges and universities has become increasingly important. As the most basic hardware condition fo...[Details]
Pure C51 reset function: A junior student, who makes people love and
fear The single-column reset part is as follows:
main()
{
unsigned char code rst ={0xe4,0xc0,0xe0,0xc0,0xe0,0x32}; ...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
1. Project Introduction
Energy consumption is an important controllable part of the cost of enterprise products. Reducing energy consumption is an important way for enterprises to reduce costs...[Details]
1 Introduction
With the rapid development of the national economy, AC motors have played an extremely important role in industrial production. As the main traction motor in various industries,...[Details]
MicroPython Open Source section
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