Here are some of the most common PCB laminate problems and how to identify them. Once you encounter a PCB laminate problem, you should consider adding it to the PCB laminate material specification. 1....
As the title: The EVC code is as follows: [code] addr = (unsigned char *)( 0xBFA00000 + 24+ i*2 ); code = *addr; RETAILMSG(1, (TEXT("The DTMF code is %x ."),code)); [/code] I couldn't read it!...
[font=微软雅黑][size=3]At this point, all projects have entered the final integration stage{:1_123:}[/size][/font] [backcolor=rgb(255, 140, 0)][font=微软雅黑][size=4][color=#ffffff]What content do you need to...
Hardware SPI and simulated SPI source codeandNRF24L01 data are in the 21IC blog, download it ishttp://blog.eeworld.com.cn/user1/5817/archives/2010/68269.htmlPart of the code:#define TX_PLOAD_WIDTH 20 ...
My previous development board used 512M K9K NAND FLASH. Now I changed it to K9K 1G NAND FLASH. But the problem appeared, it can't boot up. The information I get through the serial port is as follows. ...
[i=s]This post was last edited by azhiking on 2016-10-9 16:12[/i] Low power consumption is a very important indicator of MCU. For example, some wearable devices have limited power. If the power consum...
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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[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]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
PCB Design
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