I am now using the GPRS Q24plus module to do a data transmission experiment. The AT commands given by the teacher are all AT# commands, and the responses are all ERROR. I heard that the commands are o...
[i=s]This post was last edited by xjzh on 2019-6-17 02:08[/i]LoRa technology occupies an important position in the development of the Internet of Things. Because it is easy to build and deploy, it has...
I use 149, and after initialization, I let it enter low power consumption state. I use a port to realize external interrupt. Can I let it exit low power consumption and continue to execute the main pr...
I would like to ask you for advice on how to amplify the small current signal of a DIY clamp meterI am currently DIYing a clamp ammeter
The target parameter is to measure current from mA to 10A
The se...
[b]The frequency range of a speaker[/b][color=rgb(51, 51, 51)][font="][size=12pt] refers to the range between the lowest effective playback frequency and the highest effective playback frequency that ...
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[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]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
Amid the increasing complexity of electronic system power management,
power architecture design
is undergoing a paradigm shift from experience-driven to tool-enabled.
Analog
Devices...[Details]
The basic structure of the power grid dispatching automation system includes three parts: control center, master station system, plant terminal (RTU) and information channel. According to the diffe...[Details]
Silicon carbide (SiC) power switching devices are becoming a popular choice for industrial battery applications due to their ability to achieve faster switching speeds and superior low-loss operati...[Details]
On August 14th, Zhiyuan
Robotics
officially
open-sourced
its world model, GenieEnvisioner (GE), unveiled in July
, and once again promoted the concept of "the industry's first world ...[Details]
Modern automotive electronics have entered a new phase of fundamental change and advancement, evolving from the application of electronic components to in-vehicle electronic systems. Sensors are on...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]