Application of Fast Fourier Transform[size=14px][size=3]Author: mxd ([email=fpgamxd@sina.com][font=Times New Roman][color=#0000ff]fpgamxd@sina.com[/color][/font][/email])[/size] [size=3][font=Times Ne...
[b][font=PingFang SC, Hiragino Sans GB, Microsoft YaHei, WenQuanYi Micro Hei, Helvetica Neue, Arial, sans-serif][size=4][color=#222222]Hello everyone, welcome to the second Internet of Things Technolo...
[size=5][color=#0000ff]Today I disassembled a device, which is a radio frequency power amplifier. I wanted to know what kind of tubes were inside. When I disassembled it, I found that the models insid...
I just learned STM32. When using IO ports, I set PA8-PA15 to pull-up input. 8, 9, 10, 12, 13, 15 are normal. When the pins are empty, the level is about 3.2, but the level of 11 and 14 is very low. Wh...
In winter, static electricity is very strong. Static electricity discharge within a certain range will cause the microcontroller to reset. At first, I couldn't find the cause. Later, I carefully analy...
This electronic watch adopts Japanese design. The dial consists of four columns of numbers from 0 to 9, the first two columns represent hours, and the last two columns represent minutes. When you pres...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
DSP and ARM Processors
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