Hello everyone, how do I write a program for a frequency meter based on a 51 single-chip microcomputer? There are low-frequency signals of 0~100HZ and high-frequency signals of 25MHZ. How do I write t...
The BeagleBoard Organization has announced the winners of the BeagleBone Cape Plug-in Board Design Competition. The competition invites developers, students, makers and hobbyists around the world to d...
For high-frequency power supplies, how can we minimize the harmonic effects caused by opening (or closing) the switch at a non-zero crossing point when designing the switch?...
I read in the TR800 manual that the module supply voltage range is between 3.4-5.5v, but the power supply part of the development board has several chips. I want to know if I can directly input 4.8v t...
[font=宋体][size=4]Brand new and unopened[/size][/font] [color=#333333][font=宋体][size=4]MSP430 LaunchPad MSP-EXP430G2[/size][/font][/color][p=26, null, left][color=#333333][font=宋体][size=4]430BOOST-SENS...
[size=4] When mass-producing and debugging equipment in actual projects, it was found that the same version of the program had inconsistent effects when running on different devices. Some devices had ...
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]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
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]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
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]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]