I received a mobile phone holder that looks like an ashtray before, but I was busy at the time and forgot to post a photo. Later, I saw other people posting photos of it, so I won’t post another one. ...
Is the so-called 433 two-way communication module because the receiving module and the transmitting module are put together, or is there another way to achieve it?...
The board made with this circuit outputs a little more than 13V when U+>U-.
I forgot to draw the pull-up resistor. Another problem is that when the negative terminal is connected to a positive or nega...
I would like to ask: In the 51 single-chip microcomputer, can a floating point number and an unsigned character type number perform arithmetic operations? I tried it in Keil C51, and the compilation p...
Here is a picture firstThe positions of TIM2 and TIM3 marked by red boxes in the picture are reversedThe actual positions should be PCKEN16->TIM3; PCKEN15->TIM2: Data sheet 15441 rev3 (page 15) Chapte...
A New Design Method for DC Drive Circuit of LED Lighting[ Print ][ Return ]This article describes a new method for driving LEDs in DC lighting systems that provides 95% efficiency, longer life, and gr...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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 solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[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]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[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]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[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]
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]
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