Basic knowledge of base station antennas and network applications
1. Antenna system and base station antenna composition
2. Antenna performance indicators
3. Antenna performance index test
4. Applicat...
Scanning tunneling microscope (STM) may sound unfamiliar at first.
But its status in the scientific community is extraordinary - it allows humans to observe the local structure image of the surface la...
When I convert AD to gerber file and import it into CopperCam, the imported circuit diagram is wrong. The circuit diagram imported by CopperCam is not the circuit diagram drawn by AD. Can any expert s...
[i=s]This post was last edited by jinglixixi on 2021-9-25 13:15[/i]The ESP32-Audio-Kit audio development board, together with the library file FastLED.h, can easily control the display effect of the W...
The previous article ( 【i.MX6ULL】Driver Development 4--Lighting up LED (Register Version) ) introduced how to directly operate the register in the driver to light up the LED. This article introduces a...
Chinese electric car maker NIO and smartphone maker Xiaomi released new products at the end of the year to challenge NVIDIA and Apple. This marks another step forward in China's efforts to develop it...[Details]
An electric car is a vehicle that uses an onboard power source to drive the wheels with an electric motor and complies with various requirements of road traffic and safety regulations. It uses el...[Details]
u‑blox announced the acquisition of IoT communication service provider Thingstream, which provides IoT connectivity solutions using the industry-standard MQTT protocol. MQTT (Message Queuing Telemet...[Details]
The clock circuit is used to generate the control signals necessary for the operation of the AT89S51 microcontroller. The internal circuit of the AT89S51 microcontroller is controlled by the clock si...[Details]
1. Hardware Design
2. Software Design
1. Program Features
Write a program to control the diode pattern water light.
2. Program source code
#include reg52.h
#include int...[Details]
On March 15, according to DIGITIMES, industry insiders revealed that Wi-Fi 6/6E will officially become mainstream in 2022 and will penetrate into all application areas. Sources said that Taiwan's n...[Details]
It is true that technology changes our lives. When we were young, we lived in an era without remote controls . If we wanted to turn on the TV or turn off the lights, we had to walk thousands of m...[Details]
According to foreign media reports, smart watches are not new, but their inner workings have changed. With the popularity of smartphones, the old idea of "putting everything into a watch" has been ...[Details]
With a "ding dong" sound, the big words "Data import completed" pop up with a fresh and pleasant prompt tone, making the curved screen mobile phone's natural high appearance even more colorful. "Yo...[Details]
As FPGA is increasingly used in embedded system development, some embedded CPUs, such as STM32, do not have a dedicated CPU read/write bus to reduce costs and package size, but only provide some inte...[Details]
Recently, Huawei Technologies Co., Ltd. was granted the patent for "charging piles, charging pile networking architecture and charging pile management methods", with the publication number CN10723143...[Details]
Safety colors and safety signs in the power grid
In the construction of urban and rural power grids, in order to ensure the safe operation of the power grid, prevent accidents and draw people's att...[Details]
According to Reuters, U.S. Senator Marco Rubio issued a statement on Thursday "demanding answers from the Biden administration" regarding rumors that the United States has approved China's Huawei's a...[Details]
When we were undergraduates or even just started working (like the blogger), we wrote serial communication basically with one bit starting and one bit ending, eight bits of data without parity bit. T...[Details]
We are in a digital age, but what we perceive through vision, hearing, feeling, smell, etc. is an analog world. How to connect the digital world with the analog world is exactly where analog-to-dig...[Details]