After porting uboot1.1.6, everything is fine except the network function. But now ping is not working, and tftp cannot be used. The board has DM9000AEP chip. Netizens said that the uboot driver is not...
Dear brothers: I am working on an i2c device driver recently. I found some information on the Internet and wrote a driver for my own device. But it cannot be compiled. It prompts variable 'ds2746_driv...
On April 25, Nokia finally announced that Microsoft's acquisition of Nokia Terminal was completed. This three-year "love affair" finally came to fruition. Compared with the $2.9 billion Lenovo gave to...
I recently saw an article by Qorvo introducing several major misunderstandings about GaN, which made me feel deeply moved.First of all, the issue that everyone considers is the cost. In the engineerin...
DS18B20_writeonechar(0x33);for(b=0;b {a[b]= DS18B20_readonechar();}//a[b] should be the serial number, right? But the data displayed on the LCD is 28 80 92 5f 30 0 0 2d.The serial number I got by copy...
This week I am mainly working on the small quadcopter. I will make up for it next week. However, there is progress on this small quadcopter. Here is a family photo...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
Embedded System
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