As shown in the figure, there are two sets of power supplies on the secondary side of the transformer, both of which are 12V. Why is one set of secondary sides adding a resistor to the ground, while t...
[size=4]A DSP fixed-point arithmetic operation[/size] [size=4]1 Number calibration[/size] [size=4]In fixed-point DSP chips, fixed-point numbers are used for numerical operations, and the operands are ...
[i=s]This post was last edited by dcexpert on 2015-3-16 14:24[/i] Today I found that Mbed has added 4 EFM32 development boards. [url=http://developer.mbed.org/platforms/EFM32-Wonder-Gecko/][img=40,20]...
RT, my graduation project is to make an IC card attendance machine with 89c52 as the core. There is very little relevant information. The circuit has been basically completed, but I am stuck in the si...
When I use the serial port software to write 10 to the flash of the 430 microcontroller (assuming it means 10 seconds), and then take 10 out of the flash, a problem arises. It stands to reason that th...
In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[Details]
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
1 Overview
Drugs are like a "double-edged sword". They can treat diseases but can also cause serious adverse consequences. The dual nature of drugs depends on whether they are used rationally....[Details]
Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[Details]
1 Overview
The BP01 pressure sensor is specially designed for monitoring blood pressure and is mainly used in portable electronic sphygmomanometers. It uses a precision thick-film ceramic chip and...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
The difference between CCD and CMOS sensors Mr.OH! briefly introduced CCD and CMOS in the second lecture, but for most students, what they see is a combination of integrated chips! The detailed int...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
Frequent dropped calls, "network busy" messages, and intermittent service are all potential symptoms of poor device interoperability. Often, these issues are caused by either insufficient validatio...[Details]
Faced with increasingly fierce market competition and increasingly picky users, automakers and auto parts suppliers have been working hard to innovate - products with newer technological content an...[Details]
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