The external interrupt is occupied by other applications. I want to use the falling edge to trigger. When the timer counts the external pulse, should it detect the falling edge or the rising edge?...
In the mobile power USB load automatic detection circuit, the B pole of the transistor is connected to the GND pin of the USB interface, and the C pole is connected to the MCU IO pin. When the USB cha...
[align=center][size=5][font=宋体]Recommendation of Classic Materials on Software Testing (Thirteen)[/font][font=Times New Roman]---[/font][/size][font=Helvetica, Tahoma, Arial, sans-serif][size=5][color...
I have made two new boards. Since they are still in the experimental stage, I am eager to put them into production. So many problems have been exposed, especially the problem of loud motor noise. What...
[size=3][color=#000000][font=Verdana] Some engineers often ask during the design process, "Why are the specified minimum and maximum gain errors of [/font][font=Verdana]ADCs so different?" This articl...
Modern communication systems and test equipment often need to digitize analog signals as quickly as possible so that signal processing can be completed in the digital domain. However, designing transf...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Microchip MCU
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