The MQTT protocol is built on top of the TCP protocol, just like a car chassis can run with four tires, but if you want everyone to drive more comfortably, we still have to add a shell to the chassis....
[i=s]This post was last edited by lemon1394 on 2021-8-18 22:00[/i]Using the frame buffer method to display Chinese characters or pictures, the algorithm becomes very simple.
Not only can it be used fo...
The low noise block (LNB) is a key functional block in the receiver chain of a satellite communication system. The LNB basically consists of a low noise amplifier (LNA) chain and a downconverter. Alth...
The overall goal of the demo is to support the verification of communication solutions based on the COAP protocol;
After multiple comparisons and consideration of existing resources, the following sol...
Introduction: When programming, the first thing to consider is the feasibility of the program, followed by readability, portability, robustness, and testability. This is the general rule. However, ma...[Details]
Focusing on the positioning of "Suzhou Industrial Science and Technology Innovation Center", Suzhou Hi-tech Zone is currently committed to focusing on introducing high-tech, high-quality and high-val...[Details]
According to foreign media reports, the US Patent & Trademark Office has announced a new patent for Apple's Titan project, which is a further expansion of the previous patent for the external lightin...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
1. The source code of the assembly language is as follows:
ORG 0000H; This assembly program implements the marquee experiment
JMP START
ORG 0200H
DELAY:MOV R1,#50; Delay program, delay 0.5 seco...[Details]
Different from the steel ball initial viscosity test method, the initial viscosity force value can be accurately measured. Equipped with high-precision imported brand sensors to ensure accurate and r...[Details]
With the efforts of the LED Display Panel Committee (now the LED Display Panel Branch of China Optical Industry Association), the industry standard "LED Display Screen Test Method" (hereinafter referr...[Details]
AnTuTu recently released the Android phone performance list for September. Let’s take a look at the details: In terms of mobile phone brands, vivo is the big winner of this list. Its NEX 3 5G versi...[Details]
The infrared alarm can detect infrared rays emitted by the human body. When a person enters the monitoring area of the alarm, an alarm will sound. It is suitable for anti-theft alarms in important p...[Details]
With the continuous integration of many technological breakthroughs and new streaming services, and the growing prosperity of the smart home and smart speaker markets, consumers' demand for audio i...[Details]
News in the early morning of June 8th, Apple held the 2021 Worldwide Developers Conference online today. At this conference, iCloud was officially upgraded to the iCloud+ brand, and more emphas...[Details]
Taiwan's silicon wafer manufacturer GlobalWafers announced today that it has successfully acquired more than half of Germany's Siltronic through a public takeover, reaching 50.8%, and has acquired a ...[Details]
With the improvement of people's material and spiritual living standards, users' requirements for lighting have long gone beyond lighting for lighting's sake. In addition to energy saving, more and...[Details]
The normal operation of many hardware requires the support of bus clock, such as LCD, I2C and other devices. This article analyzes the bus clock of s3c2440 and the related operations of s3c2440 bus c...[Details]
Parking meters are everywhere these days: New York, Los Angeles, Denver, Eugene. What's so special about them? But this meter can save a lot of money in installation and operation costs.
T...[Details]
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