[size=4][color=#000000]Thanks to the netizen [/color][color=#ff0000]@[b]1399866558[/b][/color][color=#000000] for donating a lot of development boards to the EEWORLD forum's development board mobile s...
Since the PIC series 8-bit microcontrollers launched by Microchip are developed in the direction of ultra-small, low power consumption and low cost, these products have no functional accumulation and ...
Product: PDA device, CPU: PXA270 Cause: In power management, PDA has two power supply modes: 1. Battery; 2. External power or USB power supply When the current PDA is battery-powered, there is no icon...
[font=宋体][size=4]When I was installing and executing Figure 1, the situation shown in Figure 2 appeared. Is there any expert who can help me take a look? [/size][/font]...
Now I use Samsung's K9FXX 1G byte nand, XIPKERNAL.NB0 < 2M NK.NB0 = 20MB, the boot time is about 10s, load XIPKERNAL.NB0 into RAM, and it takes 6~7s from jumping to OS entry to Explorer exit. I want t...
The highway video surveillance system is generally divided into two parts: toll monitoring and road monitoring. The toll monitoring system mainly observes and records the toll collection conditions of...
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[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]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
Stepper motors have been widely used in automatic or semi-automatic equipment such as CNC machine tools, medical equipment, and instruments. The usual way to control stepper motors with computers i...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
Cloud computing is a network-based computing method. In this way, shared hardware and software resources and information can be provided to computers and other devices on demand. Cloud computing is th...[Details]
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