This is a program about LM3S9B96 key interrupt that I wrote based on lm3s_lib_interrupt.pdf, but I can't enter the interrupt, but I can query the key. But the key interrupt doesn't work, why? Can any ...
[size=4][color=#000000]Sometimes it is inconvenient to carry a mobile phone, but you want to know the time. In this case, you can use a buzzer to make an audio time reminder, which will send a reminde...
Can anyone tell me how to design a queue composed of four registers? I have no idea at all. I hope an expert can tell me the design method and the chip to be used (it would be best if you can give som...
I read this section in transistor circuit design.Why is the common base amplifier circuit directly RC/RE?I looked through my college notes and the book "Electronic Design from Scratch"It is Av= beta*R...
I recently encountered an op amp IC, AD OP282, in open loop state, no resistors connected, only dual power supply + - 5V added to the IC, no voltage was given to the same phase and reverse phase, and ...
[size=4][md]## Preface The previous article briefly introduced how to add a custom BLE service. Combined with the official demo, I think you should have a deeper understanding. The UUID here is 128 bi...
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
Core point: The automotive industry chain and the humanoid robot industry have collaborative advantages in hardware, software, and scenarios. Upstream and downstream companies in the automotive ind...[Details]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
With the advent of the electric car era, the number of pure electric vehicles has increased significantly, but many car owners do not know how to properly maintain pure electric vehicles. In additi...[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]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
Magna's integrated in-cabin perception system fuses vision and millimeter-wave radar data to detect the presence of passengers, identify stranded children, monitor driver fatigue and vital signs, a...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[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]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
Microcontroller MCU
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