C language functions cannot be initialized and assigned values. I don't know why. Single-step debugging shows that no values are assigned. Function variables can be initialized and assigned values wit...
[size=16px]cc2430 has a sample program written in which the AES main function contains the following two functions: aes_main() { aes(); It is just AES encryption, dividing the plaintext into 16 bits, ...
The board used in the training session is an 811 chip, and the training is also about how to use M3 and Keil. There are some examples and PPTs, which are shared below, and everyone can choose the best...
Let me introduce the car of the OP: I just assembled the car yesterday and I am still excited. The car has three wheels, a universal wheel in the front and two wheels controlled by DC motors in the ba...
In the last post about the launchpad expansion board, I mentioned the Ethernet expansion module that I was testing and debugging.https://bbs.eeworld.com.cn/thread-329689-1-1.html
Now I will report the...
Generally, we recommend that codes with high real-time requirements and codes related to FLASH initialization, such as interrupt programs, be run on RAM.
In the F2837xD/37xS/07x series chips, the Flas...
Dual-mode inverters can operate both in conjunction with the grid and independently. These inverters can inject excess energy from renewable energy and storage devices into the grid, and withdraw p...[Details]
With the rapid development of technology, automotive intelligence is increasing at an unprecedented rate. This not only enhances vehicle functionality and comfort, but also places higher deman...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
summary
There are multiple approaches to making industrial systems more intelligent, including applying artificial intelligence (AI) technology at the edge and in the cloud to sensor...[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]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]