French company recruits 1. Linux embedded experience 3-5 years or more 2. Proficient in Linux C 3. Fluent in spoken English, preferably in the field of mobile phones If interested, please contact: bj@...
When modifying the board layer in the layout cross section, an error message appears: E- *Error* _fpUtilGetMaterialData: argument #1 should be a string (type template = "t") - nil. Cannot modify. How ...
Completed the design and PCB drawing of HSMC adapter board,And it has been sent to the PCB manufacturer for board making.The board is mainly connected to the HSMC interface on the development board, a...
A project requires a backup rechargeable battery to ensure 24 hours of operation. The system voltage of 5V may be interrupted at any time. The backup battery is 3.7V. In this case, how to manage the b...
Recently, the "Panda Burning Incense" (Worm.WhBoy.h) worm is in a period of rapid mutation. From November to now, the number of mutations has reached more than 10. The speed of mutation and the wide r...
The stable version of esptool.py, the flashing tool for esp8266, has been upgraded to 1.2.1 (development version 1.3). You can upgrade it. [color=#0000ff]pip install esptool[/color] Last week, pip was...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[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]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
Embedded System
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