What Linux system skills should embedded engineers have?
1. File management commands
For file management commands, we need to master cat, chmod, chown, chgrp, diff, file, find, grep, git, ln, cut, les...
1. Power supply problem Since the electromagnetic flowmeter needs an external power supply, it is inconvenient to install it outdoors, which also limits the use of electromagnetic flowmeters in suburb...
20 animated pictures to help you understand various mathematical concepts
Math is a difficult science, but since it is the language scientists use to explain the universe, we can't avoid learning it. ...
Author: Hardy Zhou
In terms of motor sensorless control algorithm, TI provides eSMO sliding mode observer to calculate the motor rotor angle. In terms of application, TI provides eSMO lib file and rel...
MOS tube gate drive circuit
question
1. Why can the existence of Q2 accelerate the discharge of Q gate input capacitance?
2. What is the function of D1? Is it to accelerate the conduction of Q?...
In a microcomputer system composed of a single-chip microcomputer, the operation of the single-chip microcomputer is often interfered by external electromagnetic fields, causing the program t...[Details]
#USE FAST_IO
Syntax: #use fast_io(port)
port is A~G
Purpose: Affects how the compiler generates input and output code, as described below. This instruction is valid until the next #use xxxx_io ap...[Details]
Schematic diagram of solar thermal power generation system
When traveling to Qinghai, many people will recommend that you bring sunscreen because the sun is so strong there.
Indeed, Qin...[Details]
NIO released its first quarter financial report for 2021. Data showed that in the first quarter of 2021, NIO achieved revenue of 7.98 billion yuan, a significant year-on-year increase of 481.8% and a...[Details]
With the development of social production and science and technology, the application of rectifier circuits in automatic control systems, measurement systems and generator excitation systems is bec...[Details]
1. The LED turns yellow.
Reasons:
1. The baking temperature is too high or the baking time is too long;
2. The glue ratio is incorrect, too much A glue will easily turn yellow.
So...[Details]
introduction
In recent years, with the widespread application of power electronic equipment and nonlinear and impact equipment, the harmonics generated in the power grid have caused serious polluti...[Details]
#include #include //My custom LCD1602 header file /*--------------------------------------------------------------- 24C32 can store 4K (1024*4) bytes (8 bits), so the maximum addressing address...[Details]
The "sister version" of the Hannover Industrial Fair, the China International Industry Fair, opened as scheduled at the Shanghai National Convention and Exhibition Center. This year's Industrial Fair...[Details]
Abstract: Operational amplifiers are the basic functional units in analog circuit design. Small size and high performance are always the goals pursued by designers. This application note focuses on t...[Details]
ARM Architecture 1. Please briefly describe the characteristics of ARM processors, and state at least 5 characteristics. (5 points) : low power consumption; low cost, high performance, RISC structure...[Details]
Chinese inverter manufacturer Sungrow has expanded its business into the Japanese market and has signed a supply contract with Japanese solar project developer Blue Capital Management to provide 20...[Details]
The most cruel thing about the manufacturing industry is that it is difficult to escape the fate of the cycle, especially the manufacturing technology industry that uses heavy assets and high technol...[Details]
Recently, well-known whistleblower Roland Quandt exposed a mid-range model of Huawei, which may be named Huawei P20 Lite 2019. Judging from the renderings exposed by Roland Quandt, the Huaw...[Details]
There are significant differences between the 6410 DMA controller and the 2440 DMA controller.
DMA operation steps in S3C6410:
1. Decide whether to use secure DMAC (SDMAC) or general DMAC...[Details]