With the advent of China's 5G era, this article discusses one of the important development directions: narrowband Internet of Things applications (Cat-M/NB-IoT). From the perspective of RF devices, th...
[align=left]EE[font=SimSun] group activity, lucky to buy a [/font]STM32F0308-DISCOVERY[font=SimSun]: [/font][/align][align=left][font=SimSun]After getting the board, don't rush to power it up, first r...
Monospaced fonts can make English more regular, but will affect the display of Chinese. Using /// can make Chinese more clear. [[i] This post was last edited by osoon2008 on 2012-11-24 21:51 [/i]]...
The 430 series 5438A drives the temperature and humidity sensor SHT11. A single debug can measure the temperature and humidity values, but continuous operation does not produce results. What is the re...
I have a problem using IRF3205 and I need your help! The data sheet says that it cannot exceed 20% (NOTES: the fourth item in the original text). Is this true? If not, how should I understand it? The ...
Q16:11:37 Error: Current license file does not support the EP3C10E144C8 device Hello, how do you solve this problem? A: Recreate a simple project and try it once. Q: Warning: FLEXlm software error: In...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
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]
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]
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]
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]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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 to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
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]
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]
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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[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]
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]
RF/Wirelessly
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