5G carrier aggregation is more complicated than 4G.First of all, 5G frequency bands are divided into two categories, FR1 and FR2, which are commonly known as the frequency bands below 6GHz (Sub6G), an...
[i=s]This post was last edited by ddllxxrr on 2020-7-11 20:16[/i]Originally, there was no such thing as STC, but recently the company wanted to develop something at a very low cost. I checked online a...
The T12 soldering iron is a relatively interesting and practical product. We who work in electronics usually have a soldering iron. The production of T12 is relatively interesting. I wanted to make it...
[i=s]This post was last edited by littleshrimp on 2020-5-29 18:44[/i]When integrating the LPS33HW pressure and temperature sensor into an application system, such as a portable device (PD) (e.g., smar...
littleshrimpST Sensors & Low Power Wireless Technology Forum
With the wide expansion of 4G/5Gfrequency bands and the expansion of data bandwidth by advanced carrier aggregation technology, the development trend of the Internet of Vehicles is closely following a...
Comprehensive analysis shows that most of the electrical misoperation accidents that often occur in power systems can be avoided. Analyzing the various factors that affect operation and taking prec...[Details]
1 Basic principles of sound and light alarm system Ultrasonic waves refer to mechanical waves with a frequency higher than 20,000 Hz. In order to realize ultrasonic echo ranging, ultrasonic waves mus...[Details]
Preface
UPS power supply is a key device used in the industrial field to protect the load from power failure. There are two types of power failure protection for different load applications. O...[Details]
The clothing manufacturing industry is a typical labor-intensive industry, and information-based production management is usually lacking, especially workshop management. Modern enterprises expect to ...[Details]
Common cathode means that all the cathodes of the light-emitting diodes are connected together, and this common cathode can be used for chip selection.
As shown in the figure, t...[Details]
The configuration of LEDs in an application depends on many factors, including application requirements, LED parameters and quantity, input voltage, efficiency, thermal management, size and layout ...[Details]
1. DS1337 Introduction DS1337 serial real-time clock chip is a low-power clock calendar chip that uses BCD code. It has two programmable timer alarms and a programmable square wave output. Its addr...[Details]
STM32 serial port transmission must first detect the status, otherwise the first byte cannot be sent. After the transmission is completed, it is necessary to detect whether the transmission status is ...[Details]
1. How to calculate the display size
1. Calculation method for indoor display screen.
(1) Give the specific data of the screen (length, width, area)
a. Example: The specifi...[Details]
As my country's economy continues to develop, industrial and civil electricity demand continues to increase, so it is particularly important to better achieve the control goals of safe and stable o...[Details]
The communications industry is in an exciting period of innovation and change.
Among them, mobile Internet can be said to be one of the most eye-catching hotspots in this round of changes. The emer...[Details]
China Energy Storage Network News:
On December 11, State Grid Jibei Electric Power released the ubiquitous power Internet of Things virtual power plant demonstration project, and the pan (FUN...[Details]
The microcontroller source program is as follows: /* ***************************************************** */ /* ***************************************************** */ // Project: 51 MCU Deve...[Details]
1 Characteristics and basic communication protocol of I2C bus
I2C bus is a simple, bidirectional, two-wire synchronous serial bus developed by Philips. It only needs two wires, serial data...[Details]
On the morning of November 5, 2024, Dalian Rongke Energy Storage Group Co., Ltd. held a donation ceremony for the Rongke Energy Storage Education Fund and Yanhui Scholarship at the Sixth Junior High S...[Details]
RF/Wirelessly
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