[i=s]This post was last edited by dcexpert on 2018-2-2 21:54[/i] Two years ago, we made the first version of pyboardCN. Some netizens said that in order to facilitate the learning of micropython, they...
When downloading, the following will appearcould not initialize target device!please power cycle the board and try again.Error:Flash Download failed —— Target DLL has been cancelledPlease help me, tha...
Research on Common Control Methods of Series Resonant Single-Phase Full-Bridge Inverter Abstract: Several commonly used power and frequency control methods for series resonant single-phase full-bridge...
[i=s]This post was last edited by dcexpert on 2019-9-16 14:05[/i]Schematic diagram of the micropython-enabled calculator numworks, which uses the STM32F730V8T6 as the controller
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PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
In this final installment of a five-part blog series, I will discuss noise in op amps driving headphone loads and some techniques for reducing it. Previous posts have discussed headphone load power...[Details]
Introduction: Traditionally, lead-acid batteries have primarily been used to provide backup power and power regulation based on location. In typical applications, the battery's actual use (discharg...[Details]
The intelligent
dust monitoring system intelligently monitors dust concentrations at and around construction sites. All concentration values are transmitted to a cloud server for
cloud co...[Details]
The primary control objective in this case is the display and alarming of data parameters on the Xinheng control scale instrument. The system's main PLC uses a Siemens CPU, and data is collected vi...[Details]
Wireless Communications
Ethernet protocol
Touch screen and 200Smart
In real-world systems, multiple PLCs are distributed throughout a single workshop, centrally controlled by a...[Details]
Ever since smartphones became popular, their battery life has become a major concern. Although current phones often have large batteries of 3,000 to 4,000 mAh, heavy users still have to charge thei...[Details]
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//38k NEC coded reception and analog transmission
//Complete signal composition: gui...[Details]
A speaker box, also known as a loudspeaker enclosure, combines high, mid, and low-frequency speakers within a specially designed enclosure. A crossover network routes high, mid, and low-frequency s...[Details]
A new wave is coming, and the supply chain often leads the way.
With
the widespread adoption of
smart cars
,
LiDAR
has become a must-have feature in smart cars, like a saf...[Details]
As semiconductor performance and efficiency continue to improve, today's mobile devices are rapidly increasing in functionality and complexity. In particular, as mobile devices begin to surpass the...[Details]