There are more and more wireless wifi coverage projects. When doing wifi coverage projects, we often encounter some problems, especially large and medium-sized wireless coverage, which involves channe...
[i=s]This post was last edited by qwqwqw2088 on 2020-4-20 11:52[/i]First, clients often encounter the problem that the circuit is correct but the output noise is too large, or the output current does ...
Shenzhen's temperature dropped suddenly today and everyone dug out thick clothes from the bottom of their suitcases to go to work. Then the office was full of plaid shirts. Some programmers still had ...
[i=s]This post was last edited by yiluzaixunxun on 2020-9-17 17:47[/i]The file is a development board file of a Bluetooth chip from TI. I downloaded the file from the TI official website. I have been ...
With the development of technologies such as 5G, Internet of Things, and multimedia applications, data traffic has grown exponentially, greatly promoting the construction of high-capacity, hyper-scale...
Introduction Since the advent of the average velocity tube flowmeter in the late 1960s, it has been continuously improved (known abroad as Annubar, Verabar, Probar, Torbar, Itabar, Preso, Deltabar,...[Details]
Abstract: This section introduces how to use a timer to accurately control the pulse time and thus control the speed of the stepper motor.
1. Calculation process
The angular velocit...[Details]
DxOMark released the results of Huawei P40 Pro's screen evaluation this week, and the final score was 85 points, ranking fifth in the overall screen list. DxOMark commented on it as "first-class moti...[Details]
At the online launch conference that just ended, Apple released a new version of Apple TV 4K. This device is equipped with an A12 Bionic chip and comes with a new Siri remote control. The addition ...[Details]
On the afternoon of August 11, Vice Governor and Municipal Party Secretary Zhang Zhenfeng visited Zhejiang University Wenzhou Research Institute and toured the institute's new content based on new mat...[Details]
Multiple-input multiple-output (MIMO) technology provides the possibility of increasing the data transmission rate for a single user by transmitting two or four data streams using multiple antenn...[Details]
On April 11, according to TheElec, Mizuho Securities said that Samsung is expected to purchase 6.5 million smartphone OLED panels from Chinese display panel manufacturers BOE and CSOT this year. Th...[Details]
1. Requirements for fluid and flow state of throttling flowmeter: it can measure compressed fluid and incompressible fluid; the fluid must be a Newtonian fluid, and it is a uniform single-phase fluid ...[Details]
PWM The driving mode of the two-digit digital tube is dynamic scanning, and each bit is only lit for 50% of the time. We call this value its duty cycle. Let the pin output high level to light up the ...[Details]
This article shares the summary made by electronic engineers in their research. It is not a complete selection guide, but meticulous observations are often more practical than empty words. This articl...[Details]
China Energy Storage Network News:
On April 14, 2020, State Grid Corporation of China held a video conference in Beijing to start the centralized linkage of the 2020 comprehensive constructio...[Details]
1 Design of infrared remote control receiving circuit The output of all infrared remote controllers is generated by pulse amplitude modulation of 38kHz to 40kHz square waves with encoded serial...[Details]
0 Introduction
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual ...[Details]