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After many forum friends’ tips and my repeated attempts, the mobile APP finally connected to the kit. The specific process is: when the mobile APP adds the kit, the interface of the kit should be at t...
[b][font=宋体][color=#0000ff]【Ask if you don't understand】 I've seen some audio playback devices with the following parameter questions [/color][/font][/b][b][font=宋体][color=#0000ff]【1】The audio respons...
The poster works in Wuhan and changed his career to Linux software. A few days ago, he interviewed a company that makes medical equipment. After two interviews, it seems that he passed. At present, he...
Using offline IDE development can be more flexible. This time, the temperature and humidity, light intensity, air quality, power and charging status are collected and displayed on the screen.The opera...
Experimental goal: realize the timer function, and click the dot button to print out the current time.The classes used are QTimer and QTime. QTimer is a timer class, equivalent to a stopwatch, and QTi...
Probing techniques are very important for high-quality oscilloscope measurements - and the probe is usually the first link in the oscilloscope measurement chain. If the performance of the probe is in...[Details]
Single-phase motors generally refer to low-power single-phase asynchronous motors powered by single-phase AC power (AC220V). This type of motor usually has two-phase windings on the stator, and the...[Details]
The electrification and intelligence of automobiles have become the mainstream development trend of the automobile industry. As an important part of the upstream of the automobile industry chain, the...[Details]
High Brightness LED Development Background
In recent years, high brightness LED (HB LED) has become increasingly popular as a light source in various lighting systems. This is because high...[Details]
Higher power, higher precision and higher efficiency - compared to the past, these are the technological advances that have been implemented in the current laser cutting field.
Las...[Details]
At present, there is no unified national standard or industry standard in the domestic mobile power market, and this product is related to the personal and property safety of consumers. In this cas...[Details]
A pass-through RF power meter is used to measure the forward and reverse power of high-power RF signals. Typical applications are the installation, maintenance and monitoring of transmitters, antenna...[Details]
1. Preprocessing commands of C language: Use of typedef: Enhance program portability because bit widths vary among different software typedef unsigned char u8; typedef unsigned int u16; That is, use ...[Details]
This paper takes a pure electric van as the research object. According to the requirements of vehicle power and economy indicators, the parameters of key components such as electric motors and powe...[Details]
Some methods of using a pointer multimeter to detect field effect tubes, judging electrodes, checking quality, detecting unmarked field effect tubes, and testing amplification capabilities 1. U...[Details]
The LT3741 and LT3741-1 are fixed frequency synchronous step-down DC/DC controllers designed to accurately regulate output currents up to 20A. The average current mode controller maintains induc...[Details]
Features The LTC3866 uses a constant frequency peak current mode control architecture, ensuring cycle-by-cycle peak current limiting and current sharing between different supplies . The device is p...[Details]
On May 10, Apple officially announced that the iPod touch will be discontinued and the product will be sold out while supplies last. This topic quickly became a hot topic. As of press time, the news ...[Details]
According to news on May 29, at the "Brain-Computer Interface Innovation and Development Forum" held today, Zhao Zhiguo, chief engineer of the Ministry of Industry and Information Technology, introdu...[Details]
As we all know, all vehicles equipped with engines must meet the National VI emission regulations. Starting from the "Light Vehicle Pollutants and Measurement Methods (China Phase VI)" issued on De...[Details]
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