Abstract
Automation is nowadays a new trend of Electronics. This automation has been implemented by the help of microcontrollers. If a microcontroller is programmed efficiently then it is capable to work efficiently as human. This era of automation has reduced so much human efforts. In this century some changes has taken place in the field of technology. The most important of those is the use of digital circuits in everywhere. The world of digitization has made things easier than before or we can say it has reduced human error in most of the areas. In our research we have made a digital thermometer by using AT89C51 microcontroller. The other components we have used are LM35 temperature sensor, Analog to Digital converter IC (ADC0804), MAX-232 IC chip for serial communication with the microcontroller and LCD display to display the temperature. We hope that this research paper will be helpful to scientific improvement in the field of making Digital thermometers to a great extent. KEYWORDS—DigitalThermo,Microcontroller,Timer,Temperature Sensor.
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