Xiangban, the USB module of the current project is based on the official library of st, and a custom device is implemented. Now the question is: how can I determine the success of the USB enumeration ...
[size=4][md]After several hours of soldering, the PCB was finally soldered. Due to the lead-free solder used, the soldering process was quite painful, and the soldered product was ugly. It can only be...
DSP chip, also known as digital signal processor, is a microprocessor with a special structure. The DSP chip adopts Harvard structure with separate program and data, has a special hardware multiplier,...
[i=s]This post was last edited by dontium on 2015-1-23 12:42[/i] With the development trend of modern personal computers becoming increasingly lightweight and integrated, system designers can no longe...
[i=s]This post was last edited by Abby Qiuqiu on 2016-9-7 16:34[/i] Recruiting a back-end development engineer: (Company address: 15th Floor, W6 District, Chengdu Global Center) Salary: 6--8K (two day...
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]
Tags: digitization, analog technology, digital technology
1. Introduction
The ability of digital electronics to quickly and accurately collect image, voice and audio data from our...[Details]
1 Introduction
The development of fieldbus technology has made a big step forward in the process of control systems from closed to open. Open control systems based on fieldbus have begun to enter th...[Details]
The MCS-51 microcontroller has two timers/counters
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When they select the counting mode, a negative transition on the T0 or T1 pin will cause the T0 or T1 counter to count by 1. Therefore...[Details]
Nowadays, short message services are becoming more and more popular. Various telephone manufacturers are competing to design and develop short message terminal phones. In order to cooperate with th...[Details]
1 Introduction
The measurement and monitoring of electrical parameters are an important part of the power system. Starting from the engineering practice of the test system, this paper completes the...[Details]
In high-frequency system measurement and application, it is often necessary to use multi-channel coherent signals. Generally, we can use devices such as power dividers, phase shifters, amplifier...[Details]
1. Introduction
MG3692B signal generator
The frequency modulation function (FM) can generate four frequency modulation modes with frequency deviation. The frequency deviation can r...[Details]
Rechargeable battery packs can prematurely degrade if any one or more cells are allowed to over-discharge. When the pack reaches a fully discharged state, the ILOAD•RINTERNAL voltage drop of the weake...[Details]
On Semi's NCP3065 is a 1.5A constant current switching regulator with an input voltage range of 3.0V to 40V, a feedback voltage of 235mV, an adjustable operating frequency up to 250kHz, and cy...[Details]
1. 90° phase shift power divider
The 90° phase-shift power divider is the beginning of the signal processing of the receiving circuit. Its performance directly affects the receiving sensitivity an...[Details]