Automatic Temperature Controller
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• • • •
AUTOMATIC TEMPERATURE CONTROLLER BY
INTODUCTION
1.This project is basically a microcontroller based temperature indicator system .
COMPONENTS USED In this project we use the Atmel series micro- controller, the AT89C52, which belongs to the same family of AT89C52. The system also uses a temperature sensor chip, the DS1621 which acts as a sensor as well as functions as an analog to digital converter. The DS1621 chip senses the temperature and converts it into a digital output. The output is displayed on a LCD module. The program for the microcontroller is written in assembly language.
PIN DIAGRAM
AT89C52
AIM • To measure and display the temperature of the most temperature sensitive regions, such as a running DC motor. If the motor runs excessively the temperature raises to a level enough to damage the coil of the motor. At that time if the circuit is placed over the surface of the motor the system displays the temperature and if necessary it can also if the temperature is crossing a danger level by displaying a “high” programmed in the microcontroller. Similarly, a “low” can also be
TECHNOLOGY USED
• This automatic temperature controller using serial communication is based on embedded system in which we operate our hardware through the software by using programming in assembly language. This is burn in to microcontroller 89C51. •
COMPONENTS USED • IC’s used:– – – –
• • • • • •
IC1IC2IC3IC4-
7805 Voltage Regulator AT89c52 microcontroller DS1621 temperature sensor MAX 232
Resistors:R1 1 kilo-ohm R2 47 kilo-ohm R3 10 kilo-ohm R4,R5 4.7 kilo-ohm Vr1 1 kilo-ohm
COMPONENTS USED • • • • • •
Capacitors:C1 470uF, 25V electrolytic capacitor C2, C3, C4 0.1 uF ceramic disk C5 10uF, 16V electrolytic capacitor C6, C7 33pF ceramic capacitor Other components used:– Transformer 230 ac primary to 0- 9V, 250 mA secondary – Crystal 12 MHz – LCD 16*2 LCD module – Diodes IN-4007 – RS 232 serial port
FABRICATION TOOLS • • • • •
Permanent Marker Etching Reagent Drilling machine Cutter Solder iron
MAJOR APPLICATIONS
• • • •
In industry purpose Production field Research centre To measure temperature of volcano
THANK YOU
AUTOMATIC TEMPERATURE CONTROLLER BY
INTODUCTION
1.This project is basically a microcontroller based temperature indicator system .
COMPONENTS USED In this project we use the Atmel series micro- controller, the AT89C52, which belongs to the same family of AT89C52. The system also uses a temperature sensor chip, the DS1621 which acts as a sensor as well as functions as an analog to digital converter. The DS1621 chip senses the temperature and converts it into a digital output. The output is displayed on a LCD module. The program for the microcontroller is written in assembly language.
PIN DIAGRAM
AT89C52
AIM • To measure and display the temperature of the most temperature sensitive regions, such as a running DC motor. If the motor runs excessively the temperature raises to a level enough to damage the coil of the motor. At that time if the circuit is placed over the surface of the motor the system displays the temperature and if necessary it can also if the temperature is crossing a danger level by displaying a “high” programmed in the microcontroller. Similarly, a “low” can also be
TECHNOLOGY USED
• This automatic temperature controller using serial communication is based on embedded system in which we operate our hardware through the software by using programming in assembly language. This is burn in to microcontroller 89C51. •
COMPONENTS USED • IC’s used:– – – –
• • • • • •
IC1IC2IC3IC4-
7805 Voltage Regulator AT89c52 microcontroller DS1621 temperature sensor MAX 232
Resistors:R1 1 kilo-ohm R2 47 kilo-ohm R3 10 kilo-ohm R4,R5 4.7 kilo-ohm Vr1 1 kilo-ohm
COMPONENTS USED • • • • • •
Capacitors:C1 470uF, 25V electrolytic capacitor C2, C3, C4 0.1 uF ceramic disk C5 10uF, 16V electrolytic capacitor C6, C7 33pF ceramic capacitor Other components used:– Transformer 230 ac primary to 0- 9V, 250 mA secondary – Crystal 12 MHz – LCD 16*2 LCD module – Diodes IN-4007 – RS 232 serial port
FABRICATION TOOLS • • • • •
Permanent Marker Etching Reagent Drilling machine Cutter Solder iron
MAJOR APPLICATIONS
• • • •
In industry purpose Production field Research centre To measure temperature of volcano
THANK YOU
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