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PROJECT DESCRIPTION

The project is designed to control precise temperature using a digital-temperature sensor for industries or medical applications. This system is quite better than the analogue/thermostat system, which has poor accuracy.

The proposed system uses a microcontroller of the 8051 family and a rectified power supply. In this system, a temperature sensor is interfaced to the microcontroller for sensing the temperature. A set of push-button switches are connected to the microcontroller for adjusting the temperature setting.

The load is controlled by the relay, which is interfaced to the microcontroller through a relay driver. The status of the temperature is displayed on 7-segment display, which is connected to the microcontroller.

The digital temperature control system holds the desired temperature at a specific value, and if the temperature exceeds the set-point value, then the lamp is switched off by using the relay as an indication. This system also provides four push-button switches for adjusting the temperature settings. The temperature information is also displayed on the 7-segment display.

PROJECT HIGHLIGHTS
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • 7-Segment Displays
  • Temperature Sensor
  • Transformer
  • Crystal
  • Diodes
  • Voltage Regulator
  • LED
  • Resistors
  • Capacitors
  • Push Buttons
  • Relay
  • Lamp
Software Requirements
  • Keil compiler
  • Languages: Embedded C or Assembly
Q & A
Q:  Which temperature sensor is used?
A:  A digital temperature sensor, DS1621 is used in this project.
Q:  Will it sense the body temperature or surrounding?
A:  This project is used to sense the surrounding temperature for incubators.
Q:  Is any alarm operation feasible in this project?
A:  Yes, it is possible in situation like abnormal conditions by the relay provided.
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
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