I don't know why the development board I got couldn't connect to WiFi, and I almost suspected that there was something wrong with the WiFi at home. In desperation, I decided to re-flash the board, so ...
[size=5][color=#ff0000]Q: I opened GPIO3_28 in the device tree, why is it still shown as occupied? How to change it? [/color][/size] [size=5]A: mount -t debugfs none /mnt[/size]...
I received the ESP32-Audio-Kit audio development board two days ago. Normally, I would be very happy, but this time I was not happy. Because I looked at the development environment and it was very dif...
Easily characterize jitter on GHz clocks and serial buses with the latest Tektronix MSO6 Series oscilloscopes. Comprehensive advanced measurements make it easy to incorporate statistics into your ever...
0 Introduction
With the increasing maturity of digital video compression technology, embedded video surveillance has become the mainstream of today's surveillance technology. However, due to t...[Details]
On August 27, IBM issued a press release yesterday (August 26), announcing the launch of the next-generation Telum II processor and Spyre AI accelerator for the latest IBM Z mainframe system for AI...[Details]
Lighting up the LED should be the first experiment for everyone to learn hardware! From 51 to 32 and then to ARM, let's stop talking nonsense and start using STM32 to light up the LED. GPIO: also kn...[Details]
0. Introduction
In order to reduce harmonic pollution to the AC power grid, some standards for limiting current
harmonics
have been introduced
, such as the IEC1000-3-2 Clas...[Details]
Central topics:
Use an oscilloscope to measure the parameters of a switching power supply.
Optimizing the design of switching power supplies
Q1: The ripple of the output voltage of a swit...[Details]
Safety, efficiency, comfort, health, flexibility and convenience are the comprehensive requirements of modern buildings. To meet the above requirements, it is necessary to support modern technolo...[Details]
If you want to use tricks, you must use clever tricks. Today, I will teach you some clever tricks for current detection circuits. You should know that current detection or feedback is usually ...[Details]
Motherboards have always been a major hub for high-speed serial buses, and a battleground for high-end oscilloscope manufacturers. However, general users rarely pay attention to the technology behi...[Details]
Are car sunroofs useful? Rational people think that sunroofs may not stand the test of time and will leak and get soil after long-term use; emotional people think that they can embrace nature through...[Details]
0 Introduction
With the development of information technology and the improvement of living standards, electronic perpetual calendars are gradually entering the lives of the general public. The...[Details]
Chen Baoli Intel Data Center and Artificial Intelligence Group Vice President and General Manager of China As China's digital transformation continues to accelerate, new technologies and new busin...[Details]
100 million kilowatts
During the 14th and 15th Five-Year Plans, China Southern Power Grid Co., Ltd. will promote the addition of 100 million kilowatts of wind and solar new energy installe...[Details]
Recently, according to Korean media thelec, the U.S. International Trade Commission (ITC) has launched an investigation into Samsung, LG, Dell, Lenovo and other electronics manufacturers. The ITC is ...[Details]
Fiber optic connectors are the most widely used optical passive devices in fiber optic communication networks, and their core components are fiber optic pins. An important process in the manufactur...[Details]