Please help me!!! The idea is: short-circuit any two USB wires to print a letter on the screen. Difficulty: 1. How to write a program on the PC using VB and C++. 2. What are the books on this topic?...
Hello everyone! I disassembled a power supply board produced by another company, and I was curious about the craftsmanship in one place. It was the first time I saw it. What is the green layer next to...
[table=98%] [tr][td] I need to purchase a batch of sensors (temperature and humidity sensors, pressure sensors, flow meters, etc.) for a scientific research project. They are mainly used to measure pi...
[size=4][color=#000000][backcolor=white]1. If both the interrupt and the main thread need to access the same variable, the interrupt should be turned off before accessing it in the main thread, and tu...
Can any expert give me some advice? We had a program that worked fine before, but after a week, it suddenly couldn't get into interrupt mode when debugging. Is there something wrong with the microcont...
[font=Tahoma, Helvetica, SimSun, sans-serif]This is a project from hackaday, a combination of Python+Arduino. [/font] [img=600,315]https://cdn.hackaday.io/images/6492601486505619196.png[/img] [font=Ta...
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]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[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]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[Details]
Puttshack's Trackaball uses the Nordic nRF54L15 system-on-chip (SoC) to monitor sensors and enable Bluetooth low energy connectivity, while the nPM2100 power management integrated circuit (PMIC) ...[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]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]
With the prevalence of online conferencing, live streaming, and voice communication in gaming, high-quality audio input devices are becoming increasingly important. To this end, XMOS, an expert in ...[Details]
Most cameras on the market use chips manufactured by Japanese companies like Sony, Sharp, Panasonic, and LG. South Korea now has the capability to produce chips, but the quality is somewhat inferio...[Details]
On August 20, it was reported that the specifications of Intel's upcoming Panther Lake mobile processor appeared on the Intel GFX CI website, which mainly focuses on Intel's open source Linux drive...[Details]
Since the beginning of the 21st century, with the rapid development of my country's urban and rural economies and the improvement of people's living standards, more and more people have begun to ow...[Details]
When we pick up an unfamiliar object, the first thing we want to know is what it actually does. A drive shaft, as the name suggests, is a shaft that transmits power. It's the transmission medium th...[Details]
Using an electronic load is like thinking of it as a resistor that dissipates the power supply's output. The most straightforward mode is the CR constant resistance mode. In this mode, by setting a...[Details]