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environment: Host: WIN7 Development environment: MDK4.72 MCU:STM32F407VGT6 illustrate: There is an LED on the target board and a button that flips the LED state. LED: PE2, low level lights up, hi...[Details]

Low-code application development enables enterprises to quickly build and deploy customized web and mobile applications without writing code, greatly reducing the threshold for application developmen...[Details]

Apple has acquired VR startup Spaces, according to a report from Protocol. Spaces announced on its website last week that it would shut down sales of its existing products. The latest update said i...[Details]

　　LED lamp bead parameter introduction: 　　1. Brightness 　　LEDs have different brightness and different prices. 　　Lamp cup: general brightness is 60-70lm; 　　Bulb: The general brightness is 80-90lm. 　　...[Details]

Capacitive sensors have been widely used in industry, medicine, military and other fields. However, most of the current capacitance measurement methods have low integration level and low precision,...[Details]

1 What is a digital tube? 1.1 Several aspects of digital tubes (1) Appearance. (2) Function: The digital tube is a display device used to display numbers. (3) Classification: single (1 digit), ro...[Details]

On April 6, an investor asked a question on the investor interaction platform: Does your company have any development plans to expand its Yuanjing manufacturing production upstream of the industrial ...[Details]

Yesterday, I finished installing the arm+linux cross-compilation toolchain and published this log memo. Environment: red hat enterprise linux5; the cross-compilation chain used is arm+linux3.3.2 st...[Details]

Today, many media reported that NIO will replace the original 70kWh ternary VDA module battery pack with a lithium iron phosphate battery pack, upgrading the capacity from 70 degrees (kWh) to 75 degr...[Details]

Most photovoltaic power generation systems at home and abroad use inverter circuits composed of power field effect tubes MOSFET. However, as the voltage increases, the on-state resistance of MOSFET...[Details]

There was an accident at the nuclear power plant in Japan, and the Chinese people started to get anxious. The possibility of various pollutions really forced us to consider our own safety issues....[Details]

In order to control various parameters such as preheating time, minimum and maximum driving frequency, and normal operating frequency, some resistors and capacitors must be connected to the control...[Details]

Film capacitors have another name that is widely known to the public: plastic film capacitors, which mainly use plastic film as dielectric. Due to the different dielectric properties of capacitors,...[Details]

According to Juheng.com, on May 17, the industrial computer giant Huahan (hereinafter referred to as the "Company") held an earnings conference. At the meeting, the company's chairman Zhu Fuquan said...[Details]

Is Apple's system safe? Compared with the more open Android and Windows, it is indeed more secure, but nothing is absolute. For example, the iOS system has been hit by "Pegasus" and "zero-day vulnera...[Details]