In order to facilitate the use of BlueNRG series chips by the majority of netizens, I have established a document repository about BlueNRG-x. This repository mainly contains the following major conten...
Forum friends who are learning ESP8266 or already know how to use it, I would like to ask if there is any problem with the following code? The microcontroller and ESP8266 are connected normally, but a...
TypeC and Micro chargers can be selected from one circuit. When both TYPEC and MICRO chargers are plugged in at the same time, only MICRO can power the charging circuit. Is there room for improvement?...
The PWM function is in the pulseio module. It is also very easy to use, such as:import pulseio
import boardpwm = pulseio.PWMOut(board.D13, frequency=50)
pwm.duty_cycle = 2 ** 15The duty cycle of the P...
[i=s]This post was last edited by dql2016 on 2021-4-25 18:59[/i]I don't have much knowledge about Bluetooth yet, so I can only run the official routine to see the effect. The routine I tested is this:...
dql2016onsemi and Avnet IoT Innovation Design Competition
Spectrum Type
Traditionally, cellular networks operate in licensed spectrum and Wi-Fi operates in unlicensed spectrum. However, in the 5G era, this division has gradually become blurred. On the one ha...
1. What is a spectrum analyzer? A graphical tester that analyzes signals in the frequency domain. It displays the distribution of signal amplitude by frequency in a graphical manner, that is, the X-ax...[Details]
During the measurement process, a high waveform capture rate is very important for an oscilloscope, as it can improve the oscilloscope's ability to capture random events and low-probability events.
B...[Details]
Methyl bromide is also commonly known as methyl bromide and methyl bromide. It is usually a colorless and odorless liquid. High concentrations of methyl bromide have a slightly sweet taste a...[Details]
NVIDIA releases new switch to fully optimize trillion-parameter-level GPU computing and AI infrastructure ● NVIDIA Quantum-X800 InfiniBand network creates the most powerful AI-specific infrastructu...[Details]
Each battery structure has its inherent advantages and disadvantages. Automotive OEMs need to analyze and determine which architecture is more suitable for their production model while ...[Details]
Thorn Lighting
of Durham
is leading a research and development project to develop new O
LED
materials and equipment to provide large-area lighting applications to replace fluore...[Details]
Recently, ABB and Kawasaki Heavy Industries, two of the world's largest suppliers of industrial automation robots, have reached a partnership to share knowledge and promote the development of colla...[Details]
Almost all hardware engineers have come across switching power supplies. There is a lot of information on the Internet. The author also often comes into contact with switching power supplies and su...[Details]
24 classic circuits composed of bidirectional general-purpose operational amplifier LM358. Design of anti-reverse protection circuit scheme using NMOS and driver IC. 3 small circuits of operational...[Details]
According to the measurement principle and result display method, it can be divided into two categories: pointer type and digital type. The main differences between the two are as follows. Digital ...[Details]
When designers think about passive components, they think about the production tolerances of inductors and capacitors, which are generally ± 20% or ± 10%. This is true in theory, but not in practic...[Details]
Last year, Redmi released the K30 series, which reduced the price of 5G mobile phones to less than 2,000 yuan. However, in terms of configuration and appearance, it is not at the level of a flagship ...[Details]
On November 3, the "Belt and Road" Green and Low-Carbon International Port Forum was held in Meishan, Ningbo, Zhejiang. The State Grid's ubiquitous power Internet of Things county-level comprehensi...[Details]
Amplifier working process and composition principle:
(1) Workflow Input - Preamplifier - Driver - OTL power output - Speaker (2) Composition principle ① Preamplifier (input) The preamplifier is co...[Details]
The field of autonomous driving technology is advancing rapidly. The number of highly automated vehicles shipped annually is expected to grow at a compound annual growth rate of 41% from 2024 to ...[Details]
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