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PROJECT DESCRIPTION

Buzzer based Thermometer for Body Temperature

This circuit is designed to develop a temperature limit warning system using a thermistor. It is helpful to make  warning sound on increasing temperature of  human body beyond a limit.

Whenever temperature increases beyond a certain value, buzzer is switched on to generate a warning automatically, Thus this system doesn’t require anyone to monitor the temperature increase in a person under observation. Negative coefficient thermistor is used along with an operational amplifier to actuate a buzzer 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 LM358 opamp.

The LM358 delivers an output to activate the buzzer. 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.

Note: This DIY kit doesn't include soldering iron, multimeter, cutter and screwdriver as it is not required.

One solderless multipurpose breadboard and set of basic components will be provided for each of the 5-in-1 Solderless project kit. This 5-in-1 Solderless Project kit will be provided with additional 4 free circuits which can be built by additionally procuring very few components. Thus, students can explore and develop total 5 projects at the cost of 1 project kit only.

All the engineering, diploma and other technical students from first year to final year can get hands on experience in designing and developing various electronics projects with these 5-in-1 solder less project kits. Completely assembled project is available in image format besides real time working in audio visuals to help students to complete one DIY kit with ease and then try engineering skills to attempt the other free circuits provided as no additional components are required. With this solderless breadboard approach none of the component is soldered, hence all the components can be used again and again to try such multiple circuits.

Note1: All the 5 project circuits are tested and working.

 

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.
5-in-1 Solderless Breadboard Project.
BLOCK DIAGRAM
Buzzer based Thermometer for Body Temperature
Hardware Requirements
  • LED
  • Resistor
  • 555 Timer
  • Battery
  • Buzzer
  • Diode
  • Thermistor
Software Requirements
    None
PROJECT RESOURCES
OTHER INFORMATION
Battery not included in the kit due to Courier service prohibition. Please buy Lithium 9 volt battery for this project.
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Hyderabad - 500029,
Telangana, India
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