There are two ways to implement buttons: query and interrupt. The initial position is in InitBoard() in OnBoard.c.OnboardKeyIntEnable = HAL_KEY_INTERRUPT_ENABLE; //Interruption method//OnboardKeyIntEn...
[p=26, null, left]When I was in college, I saw the use of MOS tubes in circuits, which was really confusing. A few days ago, I came across a document [color=rgb(103, 149, 181)][backcolor=transparent][...
The STM32G474 integrates five independent 12 -bit ADCs with a sampling rate of 4Msps
Last time, I used STM32G474 to implement a sine signal generator
https://en.eeworld.com/bbs/forum.php?mod=viewthrea...
[size=4] Engineers who design power supplies often encounter a difficult problem, which is the selection and design of power modules. Power modules are power supplies that can be directly mounted on p...
Most sensors are analog in nature and must be digitized before they can be used in today's electronic systems. This application note covers the basic principles of ratiometric sensors and their use wi...
After the SD card is formatted into FAT format, the Sin-IMX6UL development board is turned on, and the serial terminal is opened to enter the Uboot state. The terminal enters the command to read the S...
LED is a semiconductor device with sensitive characteristics and negative temperature characteristics. Therefore, it needs to be stabilized and protected during the application process, which gave ...[Details]
Imagination Technologies has announced that leading fabless semiconductor company UNISOC has licensed its latest generation neural network accelerator (NNA) PowerVR Series3NX semiconductor intellectu...[Details]
I often see people asking on Weibo, what is the one thing they must bring with them when they go out? Almost everyone answers that it is their cell phone. Looking back at the evolution of mobile phon...[Details]
Last month, Motorola Moto G50 appeared on Geekbench, equipped with Qualcomm's entry-level 5G chipset - Snapdragon 480. Recently, the phone has been registered with the Ministry of Industry an...[Details]
One of the main tasks of a test and measurement system is to record as many measured values as possible. In this context, the advantages of FPGA-based solutions such as inherent parallelism, extrem...[Details]
At the "Beidou Tianshu" digital strategy launch conference of the Chongqing Smart Expo, Changan Automobile and Tencent jointly demonstrated a series of intelligent construction achievements including...[Details]
First, understand the difference between manual and automatic. The so-called manual is usually a single action inching operation, while automatic is a series of continuous actions according to prod...[Details]
0 Preface Sensor technology is one of the key technologies in humanoid robot research. The reason why humanoid robots can complete certain tasks in known or unknown environments is that they can pe...[Details]
A delta-sigma ADC is often the primary component of a 10-kilogram scale that can detect a 1-gram change in weight. When designers need to measure temperature to 0.01 degrees, delta-sigma ADCs are o...[Details]
The AC current probe is a high-frequency probe capable of measuring DC and AC simultaneously. Its features include: high bandwidth, which can accurately and quickly capture current waveforms; high ...[Details]
1. Input voltage: 110VAC/DC or 220VAC/DC or 380VAC three-phase ±20%; or 85~264VAC full range
2. Input frequency: 47~63Hz
3. Output stability: 0.5% typ...[Details]
Surrounded by negative news, image has fallen The reputation and image of a company is like a sword. As the saying goes, it takes ten years to sharpen a sword, but it only takes a moment to break i...[Details]
By David Haynes, Ph.D., Executive Director of Strategic Marketing, Customer Support Division, Lam Research As a materials engineer, I am very proud that material innovation has driven major advance...[Details]
Pulse skipping mode (PSM) is a widely used method to improve light load efficiency. We will take the TPS65290 device with PSM mode as an example to introduce how to select the output filter capacit...[Details]
1 Mobile phone amplifier
The so-called mobile phone amplifier does not mean that installing this equipment on the spot can improve the communication effect. The mobile phone signal c...[Details]