[i=s]This post was last edited by jinglixixi on 2022-2-26 11:07[/i]DHT22 is a digital temperature and humidity sensor that works in single bus mode. Compared with DHT11, it has higher accuracy, up to ...
(1) Remember the numbers represented by each color in the first and second rings. You can remember them like this: brown = 1 , red = 2, orange = 3, yellow = 4, green = 5, blue = 6, purpl...
I want to choose a smallest and cheap microcontroller. 6-pin, 8-pin or smaller. One timer and one interrupt are enough. I must have an IO port. The 8-pin ATtiny13 and STC15F are still too expensive. I...
RTMy version isI'm using modelsim SE6.5. I checked other versions such as 6.2. Under the main menu "view", "encoding" select GB2312, but the version is different and I can't find it. I've just started...
Solution to gedit not working in UbuntuCategory: LINUXAfter su root, the gedit command cannot be used. As shown in the figure:jerry@jerry:~$ su rootpassword:root@jerry:/home/jerry# lsDesktop linux-2.6...
The project requires that the program cannot be downloaded on the product board, so it must be downloaded before welding. Therefore, I am looking for a CC2530/pin40 base. I would like to ask for advic...
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]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[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]
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]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
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