[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...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
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]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]