EDGE (Enhanced Data Rates for GSM Evolution) is a standard for providing high-speed data services over existing GSM mobile phone networks. As the name implies, EDGE is based on the widely deployed GSM...
[ Source: Quantum Bit ]
People have suffered from mosquitoes for a long time.Especially on summer nights, there is a buzzing sound in my ears, and I may even have to fight it for three hundred rounds ...
With the development of the times, Intel has been gradually replaced by single-chip microcomputers. In the past, Zilog, Motorola, and Intele were the three major players in the microprocessor field. B...
Live broadcast time: Today (October 25th) 10:00-11:30 am Live broadcast content: This live broadcast will introduce TI's latest Sitara high-performance processor AMIC120. AMIC120 is based on the ARM C...
A New Design Method for DC Drive Circuit of LED Lighting[ Print ][ Return ]This article describes a new method for driving LEDs in DC lighting systems that provides 95% efficiency, longer life, and gr...
0 Introduction
The theory and design method of analog filters based on Laplace transform have been developed quite maturely, and there are several typical filters for people to choose from...[Details]
In today's society, energy shortages and environmental pollution have raised important issues for mankind. Battery manufacturers have actively developed various types of batteries, especially lithium-...[Details]
On the evening of October 26, Xinzhoubang released its third quarter performance announcement. From the beginning of the year to the end of the reporting period, the company achieved operating income...[Details]
Common oscilloscopes on the market have spectrum display functions. This mainly uses Fourier transform (FFT) to convert the time domain and frequency domain. However, the FFT and spectrum analyzer of...[Details]
Function of
the circuit
Accurate conversion amplifier circuits can be used to obtain negative voltage outputs from positive standard
power supplies
or to add polarity to balanced...[Details]
The output voltage of the switching power supply will decrease when the load is short-circuited. Similarly, the output voltage will increase when the load is open or unloaded. In maintenance, the d...[Details]
Regarding the redirection problem of printf and scanf in STM32, here I only organize the situation where "USE MircoLIB" is not used (for Keil RVMDK development environment). ①: First, you need to i...[Details]
On the morning of January 4, Apple today added an emoji engraving option for its AirPods wireless headphones. Previously, the AirPods charging box could only be engraved with text on the officia...[Details]
In the field of new energy power batteries, two pieces of news about fast charging of batteries have recently aroused heated discussions among netizens: one is that Eamex, a Japanese electronic compo...[Details]
Use ds18b20 to detect the current temperature. The temperature alarm program function of the isd1420 voice chip : Use ds18b20 to detect the current temperature, and send an alarm to ISD1420 by compar...[Details]
Passive voltage probes are the most commonly used oscilloscope probes today. Making reliable oscilloscope measurements begins with choosing the right probe for your application. While there are many ...[Details]
LED multiplexing technology and application (LED pixel decomposition technology)
LED pixel decomposition (also known as virtual pixel) technology uses LED multiplexing technology. The same LED ligh...[Details]
1 Introduction
With the rapid development of science and technology, the Internet has entered thousands of households and has become an indispensable condition for life, work and study. Remote mo...[Details]
Temperature control probe sensors are devices used to measure temperature and are widely used in industry, medical treatment, scientific research and other fields. Among temperature control probe s...[Details]
RF/Wirelessly
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