My pxa270 development board has 4 serial ports (uart0~uart3), among which uart0 is used to connect to the hyperterminal to print debugging information. I downloaded ce5.0. The serial port program writ...
I am making a smart electronic thermometer, which requires low power consumption and a system current of less than 0.3 mA. I cannot use SMD components. The only way I know is to use MOS tubes for all ...
I copied all the LCD display files in the BSP package to another directory, and then included a header file in a file in that directory (this header file is defined in the LCD display file), and also ...
I have a question for you: When using an inductive proximity sensor to detect the presence of a ferromagnetic metal target, the initial inductance of the sensor is 4.85mH, and the proximity threshold ...
I have a tension sensor in my hand, as shown in the picture , it has six wires, measured with a multimeter, three wires in a group, which are the lead wires of two 1KOhm series resistors. I only know ...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
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 Guangzho...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditions,...[Details]
Embedded System
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