I've been reading the book [MCU Engineer's Training Record] recently. It mentioned turning the iPhone into an electrocardiograph. Has anyone actually done it? Please share your experience. I want to t...
I want to make a browser on Pocket PC 2003. I looked at the IESIMPLE example. After compiling, it exited as soon as I ran it. I debugged it and found that hr = CoCreateInstance(CLSID_WebBrowser, NULL,...
After-class Exercise 23: UCOS Behavior Synchronization
1. Behavioral synchronization
Excerpted from Teacher Zhou Cihang’s book)
The running process of a task needs to be coordinated with the running o...
My relevant codes are as follows. After running, PC sends data (1 byte) to serial port 2. You can see in AXD that RHR has received the sent data, but no interrupt has been entered. Please advise! /// ...
The USB HUB board and adjustable power supply board I got as a gift from an event on the forum before. You have to pay for the postage yourself. The information of these two PCB boards is in the forum...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
The mass production process of the new generation of cockpit platform has started, and the smart cockpit market has entered a new bonus cycle of technology iteration and platform upgrade.
...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[Details]
On August 22, the Wall Street Journal reported on the 21st local time that the new US government does not plan to acquire equity in semiconductor wafer foundry giant TSMC and Micron, one of the thr...[Details]
"We have successfully launched the first version of our dedicated chip for EMB brake-by-wire. Second-generation samples have also been successfully completed, and we are actively planning a third-g...[Details]
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Office (USPTO) for a patent for a door anti-collision system that may be used in future Ford vehicl...[Details]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[Details]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
The second-generation Snapdragon W5+ and second-generation Snapdragon W5 platforms support users sending and receiving messages via satellite when there is no cellular and Wi-Fi coverage.
...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
Facial recognition, a biometric technology that uses facial features to authenticate identity, has rapidly become a global market hotspot in recent years as the technology has entered practical use...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
Recently, UBTECH announced its patent for "robot self-battery replacement structure, device and method".
The Qichacha patent abstract shows that the robot's self-battery replacement stru...[Details]