In the 13.56Mhz reading and writing field, MCU checking the card through the ADC circuit is a common low-power approach. However, the disadvantage of this approach is that the MCU needs to continuousl...
[color=#000][backcolor=rgb(232, 232, 232)][size=15px]I use keil5 for programming, and my arm is stm32F103. Now I encounter a problem. After keil download is completed, it shows: uvision has stopped wo...
[postbg]bg1.png[/postbg][align=center][backcolor=paleturquoise][color=#00bfff] [b][size=6] Production of Multifunctional Intelligent Window Based on 51 Single Chip Microcomputer[/size][/b][/color][/ba...
[i=s]This post was last edited by cortex_M3 on 2020-8-2 19:35[/i]Video firstVideo 1: LGSR-WIFI module WeChat network configuration, one-click completion of three stepshttps://www.bilibili.com/video/BV...
1. The basic structure of TMS320C55x DSP 1.1 CPU system of C55x The C55x has one 32-bit program data bus (PB), five 16-bit data buses (BB, CB, DB). The MCU has three bus lines: 1, 2, 4, 5, 6, 7, 8, 9,...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[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]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
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