Jitter is a common phenomenon when measuring with an oscilloscope. It is also one of the most troublesome problems for engineers and is often discussed. Why is this topic worth discussing? It is becau...
I would like to ask how to set the TX and RX outputs of the serial port for battery-powered devices that require low power consumption of the microcontroller, and what is the basis for this?...
I suddenly had the urge to do a series of topics on music visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, ...
The timer of esp32/8266 is different from pyb.timer. How can I modify it to work on esp32/8266?
import pyb
import micropython
micropython.alloc_emergency_exception_buf(100)# Futaba PPM decoder
# http:...
When selecting different current sampling resistors, the main concern is of course temperature drift. Usually the deviation of the resistor can be calibrated out as the gain error of the operational a...
Project Overview
The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific g...[Details]
Embedded systems are the replacement products of computer technology, communication technology, semiconductor technology, microelectronics technology, voice and image data transmission technology, and...[Details]
With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
Demand Analysis
In an era of rapid information development, the process of electronicization of the financial system has also been greatly accelerated. As a platform that provides services 24 ...[Details]
Introduction
The home ECG and blood pressure monitoring system consists of a data acquisition and recording device and a host computer electronic medical record management system. Therefor...[Details]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
introduction
Traditional electric actuators are easy to use and save investment, and have been widely used in production process control systems in the fields of electricity, metallurgy, petro...[Details]
Automatic target recognition (ATR) algorithms usually include algorithms for automatically detecting, tracking, identifying, and selecting attack points for targets. The complexity of the battlefi...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
The third generation iPhone, iPhone 3G S, has finally been released. Let's take a look at the differences in basic parameters between it and the previous generation iPhone 3G.
According to for...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
Test/Measurement
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