Abstract: This paper introduces the new features of the single-wire digital temperature sensor DS18B20 of DALLAS Company of the United States based on its predecessor DS1820, and the detailed interfac...
How should I read this circuit diagram? I have almost forgotten all the knowledge about transistors. I have been cramming recently. In the initial state, each avalanche transistor is in the cut-off st...
In many electronic circuits, especially some small signal amplifier circuits, the power supply often adds a first-stage transistor electronic filter . Its circuit structure is shown in Figure J1. Assu...
I designed an AD sampling system, using the AD6645ASQZ-105 AD conversion chip. However, after making the circuit board according to the data sheet, the AD chip became hot after a while after powering ...
In the PLATFORM\SMDK2442\Src\Common\Intr_dvs\intr.c function of wince5.0, there are: extern void DVS_ON(void); extern void DVS_OFF(void); extern void ChangeVoltage(int); extern int GetCurrentVoltage(v...
I designed a circuit, the single-chip MSP430fg4618 and MSP430f2418 communicate directly through the serial port, and a 485 conversion chip is connected to the serial port. The schematic diagram is sho...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
MCU
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