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PROJECT DESCRIPTION

The project is designed to develop a temperature control system using a thermistor. It is helpful to maintain a constant temperature of an enclosed area.

Whenever temperature increases beyond a certain value, a lamp (indicating a cooler) is switched on to bring the temperature to normal value. As switching ON of load is done automatically so this system doesn’t require anyone to monitor the temperature in person.

Negative co-efficient thermistor is used along with an operational amplifier to actuate the relay in the event of temperature going out of range. Thermistor is often used rather than other temperature sensors because they are of low cost.

But most their resistance-versus-temperature characteristics are highly nonlinear and need correction for applications that require a linear response. A change in temperature will alter the input parameters to the op-amp. The op-amp delivers an output to energize the relay and switch ON/OFF the lamp.

Further the project can be enhanced by using a digital temperature sensor instead of an analog one. By doing so, we can increase the accuracy of the temperature control system.

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Non-Microcontroller Project.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm.
Can be Customized for Arduino, Raspberry Pi, PIC
BLOCK DIAGRAM
Thermistor Based Temperature Control
Hardware Requirements
  • THERMISTOR
  • COMPARATOR
  • TRANSISTOR
  • RELAY
  • LAMP
Software Requirements
    None
Q & A
Q:  What is the concept of this project?
A:  The concept is to develop a temperature control system using a thermistor.
Q:  Can I replace lamp with any load?
A:  Yes, any electrical load up to 200W can be used.
Q:  What is the formula for calculating smoothing capacitor value?
A:  There is some approximated formula .Peak to peak ripple voltage = Load current in amps / (2*line frequency in hertz *capacitance in farads). But as rule of thumb for 1 A current 1000uF is best. Thus it is load dependent.
Q:  What is the objective of this project?
A:  The objective is to understand the application of a low cost temperature sensor like a Thermistor.
READ WHAT OTHERS HAVE SAID
Average Rating
 4.4/5
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Showing 4 of 8 reviews Show All
Bhitlesh bhengra, Bhubaneswar on 20th October, 2014, 10:36 AM

I saw one project on your website and I liked it, then I purchased.I like your service and guidance very much.

Aditya sanker, Allahabad on 7th July, 2014, 02:41 PM

I am sure Edgefx is better from any of its competitors.Special thing about the kit was it improved our confidence level for making the project ourselves.Make a proper lab practice sections.

Adityasanker, Allahabad on 24th June, 2014, 04:02 PM

I decided to buy a kit from Edgefx because I found Edgefx kit is better than any other alternative.I like the special thing was improving our confidence level for technical stuff and doing the project ourselves,

Abhiram, Allahabad on 24th June, 2014, 03:56 PM

I decided to buy a kit from Edgefx because our HOD suggested to take the kit.I like the quality you are providing in the kit.

Rating Breakdown (8 Reviews)
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