picolua is a Lua programming environment for Pico. In addition to the Lua runtime, it includes a basic Unix-like shell, a full-screen editor, and basic file management tools. picolua is designed to be...
Is it the parasitic inductance of the switch?Then I saw a circuit similar to RCD function in the PFC circuit. Is the black circle the RCD circuit? Why is it different from the flyback switching power ...
There is a spike after the rectifier bridge, which cannot be clamped by the varistor. It can be clamped when the phase is 90 degrees, but not when it is -90 degrees. Is it because the varistor cannot ...
Prepare to install the module with Python pip, prompt 'pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object
After searching for a long time, I felt that I couldn't find the ...
[i=s]This post was last edited by Yizuofenji at 2022-1-24 13:00[/i]1. Introduction
In the first post, we described the process of building a BLE environment and burning the official Demo directly into...
High-frequency clockBased on an external crystal, the internal crystal oscillator of ESP8266EX can generate the RF clock. This clock can be used to drive the TX and RX mixers. The crystal frequency is...
Following news that Samsung is expected to start shipping to Nvidia in the third quarter of this year, Korean media Sedaily reported that Samsung has begun mass production and supplying HBM3 memory...[Details]
On the morning of May 26, according to a report by Nikkei Asia, due to the impact of a new wave of COVID-19, Apple suppliers in China are behind schedule in the production of a certain model in...[Details]
Tesla, which has been using ternary batteries from Panasonic and LG New Energy in the past, has begun to purchase lithium iron phosphate batteries from CATL in recent years. It has been ridiculed by ...[Details]
Supercars, a symbol of speed and passion, have long surpassed the definition of a simple means of transportation. They represent unparalleled performance - strong power, lightning speed and excelle...[Details]
In this article, we analyze the implementation process of the S3C6410 development board adc driver code, and then test the adc function through an example. The resources in this article include the s...[Details]
On September 28, at the completion of the first phase of BYD Power Battery Yancheng Base in Sheyang County, Jiangsu Province, flags fluttered in the wind and construction vehicles were neatly arranged...[Details]
Foreign media SemiMedia reported that according to supply chain information, Semtech recently issued a price increase notice to its customers, stating that it will increase prices for some products s...[Details]
The tug-of-war between AMD and Intel over CPUs has been going on for many years. Under the Zen 2 architecture, AMD's CPU has been greatly improved and its market share has gradually expanded. However...[Details]
For lithium battery negative electrode materials, although there are many materials under research, graphite is still the main material that can be commercially produced on a large scale. Graphite ...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Think of a passenger car as a collection of electronic control units (ECUs) spread across the length and width of the car, using different networks to talk to each other. When more advanced automotiv...[Details]
1. Origin of the problem
1. Phenomenon
In net_send_packet() of the linux4.3.2 network card driver cs89x0.c, there is:
1 /* Test to see if the chip has allocated mem...[Details]
1. First, we must understand the relationship between the ground wire of the oscilloscope, the neutral wire, the live wire, and the earth. The following figure shows the relationship between the live...[Details]
On August 4, KPMG China released the 2021 "China's Leading 50 Automotive Technology Companies" list. In order to promote the development of China's automotive technology field, the list has been held...[Details]