Stm32f103 controls the ESP32S module and uses AT commands to establish a Bluetooth server, but it cannot be scanned by a mobile phone or other modules. What is the reason?...
Finally I finished all the work today. Haha. Let me show you a picture. I expanded the IO through the Renesas MCU and then controlled a liquid crystal and an EM4095 card reader chip to complete the ca...
Recently I was playing with a LED dot matrix given by someone else. The size is 80*16. When all are used, the current will reach about 5A. I used a 5V power supply to power it. The power supply is an ...
This test is based on the touch button example. The purpose of the test is to further master the control of the LED light. This time, I started to use the LED-Control() function provided in the exampl...
In the given development process, it is like this: AT%IPOPEN="TCP","61.144.177.202",3000 CONNECT AT%IPSEND="683100310068c90896060000027400000100e416" %IPSEND:15 OK %IPDATA:20"683100310068C908960600000...
Please, masters, has anyone used this before? I definitely need your help, I've been stuck here for a long time. //********************************************************************************** //...
If the ultimate form of a car is a silicon-based life form, then in
the field of
intelligent driving
, it has gradually taken on the appearance of a "veteran driver." In
the field of
the ...[Details]
As AI accelerates across industries, the demand for data center infrastructure is also growing rapidly.
Keysight Technologies, in collaboration with Heavy Reading, released the "Beyo...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Renesas Electronics' new ultra-low-power RA4C1 MCU features advanced security and a dedicated peripheral set, making it ideal for metering and other applications.
The new product mee...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[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]
Shock absorbers, as the name implies, are responsible for cushioning and absorbing shocks in a car. So how much do you know about shock absorbers and how to replace them in electric cars?
...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
Recently, Freya Hella officially announced a major breakthrough in the field of wire-controlled steering: following the successful launch of mass production projects for two high-end Chinese and Ge...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[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]
stm32/stm8
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