Nowadays, everyone's life is inseparable from mobile phones. For some people, tablets or computers are also essential tools for their lives and work. People have no energy if they don't eat, and elect...
APM32 has a built-in RTC as shown belowIt says that you can choose LSI, so I want to test the accuracy of using LSI.
I have used ST products, and LSI products are not very accurate either. Some produc...
Recently, a user of a Macosin oscilloscope asked how to use an oscilloscope to calculate the harmonic content of a signal. So today we will systematically learn how an oscilloscope measures the harmon...
This paper aims to strengthen the security management of the vault. Aiming at the current management defects of the vault, this paper designs an electronic password lock system for the vault door. ...[Details]
Project topic significance:
The current global problem is undoubtedly the energy problem, because there are countless wars caused by energy, and the future competition between countries will ma...[Details]
Host environment: Windows 7 SP1 Development environment: MDK5.14 Target board: STM32F103C8T6 Development library: STM32F1Cube library and STM32_USB_Device_Library The STM32Cube library provid...[Details]
What is liquid lens technology?
Traditional optical lenses are made of optical materials. No matter what optical material (optical glass, optical crystal or optical plastic) is used to make t...[Details]
The tram trend is still accelerating.
In July, the domestic retail penetration rate of new energy vehicles reached 51.1%, a significant increase from 36.1% in the same period last year.
...[Details]
LED dot matrix blocks have the advantages of high brightness, uniform light emission, good reliability, and easy assembly, and can form display screens of various sizes. At present, LED display scre...[Details]
According to foreign media reports, NNG, a leading global provider of positioning technology, connected services and automotive software, announced the launch of its EV-first hybrid mobility platform...[Details]
HDMI (High Definition Media Interface) is widely used in consumer electronics products (such as TVs, set-top boxes, projectors, etc.) because it can transmit video and audio data at the same time, ha...[Details]
In April last year, BYD released the DiLink intelligent network connection system and launched the world's first intelligent automatic rotating large-screen DiPad, which has a large number of built-i...[Details]
Ceramic embryo specific gravity meter is also called ceramic embryo density tester, plastic specific gravity meter, plastic density meter. Xiamen Qunlong Instrument Co., Ltd. is the first professiona...[Details]
The two advanced timers TIM1 and TIM8 in the STM32 timer can generate 7 PWM waves because they have 7 pin channels respectively:
Channel 1
TIM1_CH1
PA8
Channel 1
TIM1_CH1N
...[Details]
Jiwei.com reported on July 29 that Huawei announced that the Huawei P50 series to be released tonight will be pre-installed with the HarmonyOS 2 system. The HarmonyOS 2 system equipped with the Hua...[Details]
Foreign media PhoneArena published an article last night titled "The Galaxy Note 10 & iPhone 11 are proof Huawei's an industry leader". IT Home compiled the article. The full text is as follows: Appl...[Details]
According to the official website of the Ministry of Commerce, on September 26, 2019, the official website of the United States International Trade Commission (ITC) announced its decision to initiate...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
