I defined some global variables, some of which are handled separately for cold start and warm start of the system. I gave initial values to variables that do not need to be initialized to zero in warm...
[i=s]This post was last edited by zhaojun_xf on 2017-6-27 07:57[/i] [color=#000]With the rise of the Internet of Things, MQTT[/color][color=rgb(0, 0, 0)] [/color][color=#000]as a simple and efficient ...
Today, Linux is widely used in the development of various embedded devices, such as digital TV
, set-top boxes, DVR players, xDSL/cable/PON modems, home routers and gateways.
Especially suitable for d...
What tool should I use for Verilog DHL? I read in a book that Xilinx ISE v9.1 should be used, but when I looked online, it was several GB. Do I really need to download such a large software? Are there...
The author summarizes the anti-theft experience of more than 20 years and shares it with readers. 1. Stores should keep as little cash as possible at night. If conditions permit, people can be left on...
[i=s]This post was last edited by Xiaomeige on 2020-2-6 15:48[/i]/*Functional description:Use the audio codec chip WM8731 on the AC620 development board to complete audio acquisition, storage and play...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[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]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
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]
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]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
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