[i=s]This post was last edited by dcexpert on 2019-5-19 20:56[/i] [b]Buzzer[/b] By default, microbit uses pin0 to control the buzzer, which can be used to play music. [code]from microbit import * impo...
[size=4][url=https://bbs.eeworld.com.cn/thread-531732-1-1.html]Win coupons by passing levels, butterfly fans can experience NUCLEO-L452RE for as low as 29 yuan[/url][font="][b] It's over, [/b][/font][...
I used IAR4.42A originally, but later I changed the chip to a large-capacity STM32F103RET6. I had problems with programming. I checked online and found that the IAR version was low and did not support...
[i=s]This post was last edited by youki12345 on 2014-8-6 13:33[/i] [size=3] I have seen in the previous posts that some friends encountered hardware problems during the development process and could n...
As the title says. The battery voltage will gradually decrease, so the accuracy cannot be guaranteed. I thought about LM385, but it seems that the input 3V is too low. The accuracy of the voltage regu...
I would like to ask the experts in the forum to explain the parameters of some radios . Please try to be as detailed as possible, thank you. Frequency range, IF noise limit, sensitivity, lock station ...
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]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
For healthcare professionals, accurate diagnosis and treatment are crucial for a clear picture of a person's health. However, healthcare professionals often rely on tests at medical facilities, cli...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
Gross profit margin jumped from 13.6% in the first half of last year to 25.9%, almost doubling year-on-year.
On August 21, RoboSense released its interim performance report, in which the...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[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]
On August 22, South Korean media Nate reported on the 20th local time that Samsung Electronics is introducing Hyper Cell technology into its most advanced 2nm process technology, striving to improv...[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]
Industrial computers with GPUs leverage powerful parallel processing to build deep learning models to analyze and respond to optical inputs. The systems develop an understanding of visual data to i...[Details]
PowiGaN achieves 95% efficiency at both light and full loads, meeting critical operational and safety requirements.
DARWIN, Australia and SAN JOSE, Calif.,
August 22, 2025 – Powe...[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]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[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]
MicroPython Open Source section
京公网安备 11010802033920号
EEWORLD
