Top 5 Easy Mini Projects for Biomedical Engineering Students

Finding a simple, exclusive and effortless mini project is a task which every engineer finds as an obligation during the course. Being a Biomedical evangelist, I have decided to share the popular and trouble-free mini projects on Biomedical Instrumentation. Many of you find circuit diagrams on web easily, the problem actually comes in implementing it, thereby making the output less reliable and tentative. Here are the Top 5 working mini project ideas for Biomedical Engineering students. Click on the images to see an enlarged view of the circuit diagram before downloading it.

#5 Low-cost Digital Thermometer

Low-cost Digital Thermometer Circuit Diagram

One of the most common and omnipresent biomedical device is a Thermometer. Measure temperatures up to 150°C with an accuracy of ±1°C. With the help of op-amp IC 741 and NPN transistor, form a sensor circuit. The voltage across the base-emitter junction of the transistor is proportional to its temperature. The temperature can be read on a multimeter. Assemble the circuit on a general-purpose PCB and enclose in a small plastic box.

#4 Biomedical Sleep Inducer

Biomedical Sleep Inducer Circuit

Tackle insomnia by fiddling with the basic electronic components and transforming them into a device. This mini project generates type of geo-magnetic-fields and it helps the brain surrounded by an ideal environment for a sound sleep.

#3 Muscular Bio-Stimulator

Muscular Bio-Stimulator Circuit Diagram

A device useful to relieve head ache, muscular pain and revive frozen muscles that impair movement. Though it provides muscles stimulation and invigoration, it’s mainly an aid in removing cellulitis. Design a circuit that stimulates nerves of that part of your body where surface electrodes are attached using an astable multivibrator, transformer and basic electronics. Its is effective, not passable enough though.

#2 Emotional Stress Indicator

Emotion Stress Indicator (ESI) Circuit Diagram

There is rarely a week that passes without hearing or reading about stress and its deleterious effect on health. Now, design an Emotional Stress Indicator (ESI) kit that allows you access your emotional pain. If the stress is very high, it gives visual indication through LED display along with a warning beep. It is based on the principle that the resistance of the skin varies in accordance with your emotional states. Resistance varies inverse proportional to the stress. Although, the accuracy and reliability of the results are not acceptable for medical diagnosis, but for a student, implementing this circuit is not only easy but also fun after it is complete. You must read Mini Project Explained: Emotional Stress Indicator (ESI) Kit

#1 A Low-cost Smart Hearing Aid

Low-cost Smart Hearing Aid Circuit Diagram

This is the first project idea that will be finalized by your classmates. It basically a miniature stereo preamplifier-cum-headphone amplifier or simply a hearing aid. Its design constraints are kept simple and the circuit consumes less power too. Although its performance is not comparable to that of commercially available sophisticated hearing aids,still it can serve the purpose well for persons with a low degree of hearing impairment. There are 4 different types of circuit diagrams available on EFY site. Have a look and implement it as your mini project before your classmates occupy it.

Hat tip to EFY- Electronics For You Magazine for providing 100% tested and working circuit diagrams. Its one of my favorite technology-oriented magazine which I recommend to every biomedical or electronics engineer.

There is a plethora of decent biomedical mini projects which can be implemented these days. The projects mentioned above can be effectively improved and refurbished according to your ideas, I request all the biomedical peers to share their views and ambiguities in the comments section below.

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44 Responses to “Top 5 Easy Mini Projects for Biomedical Engineering Students”

  1. aneesh January 30, 2011 at 5:16 am #

    what is the difference between d thermometer u published here and d normal one which is found in hospitals??? is there any special feature in the thermometer which iu published in this website???

  2. pradip suthar February 11, 2011 at 3:03 am #

    sir,i m student of biomedical engg. sir i m doing my project in this sem. i need more idea which cheap as well as innocent .i m requesting to u that u will load more idea on project as soon as fast.thanx .

  3. Madhuri bhosale June 3, 2011 at 4:46 am #

    Sir, i am student of biomedical engg. nw this sem i m doing my project ,so can u please give me more detail about emotional stress indicator project……..& also i m requesting to u that u will load more project. please
    repaly me sir thank u.

    • rami December 2, 2012 at 7:46 pm #

      hi, i, student of biomedical engineering
      can u please give me more detail about stress mete
      and about the (((touch pads or touch plates )))
      thnx

  4. DHIRAJ June 10, 2011 at 10:15 am #

    HI. my name is dhiraj i am 7th sem biomedical student please tel me these 5 project is microcontroller base or other language used ane give me other list of projects

  5. Quesinberry June 11, 2011 at 8:48 pm #

    I agree with all you said in your post, especially at the beggining of your article. Thank you, this info is very valuable as always. Keep up the good work! You’ve got +1 more reader of your blog:) Isabella S.

  6. anil June 29, 2011 at 5:09 am #

    hello,i am bio medical student.please, you give me new idea and software for projects.reply me in email.

  7. prejil k p June 29, 2011 at 11:02 am #

    sir,i m student of electronics &instrumentation engg diploma. sir i m doing my project in this sem. i need more idea which cheap as well as innocent .i m requesting to u that u will load more idea on project as soon as fast.thanx .

  8. Radhika Kulkarni July 19, 2011 at 5:32 am #

    hello sir. I m a biomedical student. I liked ur blog and I kindly request u to post some more mini projects using micro controller or other device. Thank u sir..

  9. vinoth August 8, 2011 at 3:57 pm #

    i want more details about sleep inducer and i need outlook of this project also… reply soon sir

  10. M.Latha August 11, 2011 at 1:51 pm #

    Respected sir,
    I am a Bio Medical Engineering student. I am very interested to do emotional stress indicator project. so plz tel me more details about emotional stress indicator sir…………… plz rly soon sir…………….

  11. M.DHIVYA October 1, 2011 at 5:02 am #

    HELLO SIR CAN YOU SAY WORKING FLOW OF THAT SLEEP INDUCER CIRCUIT….SIR

  12. amrita November 7, 2011 at 7:34 am #

    hello ! i am already working on the skin response meter (stress meter) circuit as my final year Biomed project..i would like to know how to integrate this circuitry with the heart rate detector …? please do reply soon sir..

    • mahy November 18, 2011 at 6:46 am #

      HI.. is your stress meter working?? cus i m working on th same project and its not working…

  13. Priyanka sumi December 14, 2011 at 6:21 am #

    Hello,
    can you please give more details about the designing parameters of sleep inducer circuit and emotional stress detector. We are planning to do the combination of both the circuit as our project. Can you please reply immediately..

    • Sanjay kumar August 27, 2012 at 5:59 am #

      same here making th sam project can u gv me sum idea abt it

  14. ayisha January 10, 2012 at 11:31 am #

    cau you give the detali about real time application based on the mini projects

  15. athirachippy January 10, 2012 at 11:47 am #

    it is a useful site

  16. athirachippy January 11, 2012 at 11:31 am #

    . pls include more miniprojects for the beginners

  17. prerana bhajanawale January 13, 2012 at 11:25 am #

    hi….
    i m student of thrd year engg.biomedical i m going to do mini project, plz suggst some topics with low cost.

  18. Jon Champ January 27, 2012 at 8:47 pm #

    Hi….im student of BioMedical..plzz tell me easy Project…..but wiill be Different..

  19. POOJA S February 12, 2012 at 8:53 am #

    sir i m student of BE BIOMEDICAL i want to know about the HEART RATE METER project

  20. haneefa February 21, 2012 at 5:20 pm #

    hiiiiiiiiiiiiiiiiiii

  21. jeramie March 9, 2012 at 3:37 am #

    sir can you give the range of the resistance of the human body when stressed, relaxed and normal? thanks much

  22. sasipriya April 5, 2012 at 2:58 pm #

    i am a first year student of biomedical engineering….. sir please help me make simple practical circuits used in daily life,….. reply me sir and thank you….

  23. deepak singh April 30, 2012 at 4:14 am #

    good morning sir.i want some good innovative project idea so please can you help me please

  24. MURALI KRISHNA.M May 16, 2012 at 6:42 am #

    Mentioned Projects in your website are really fascinating sir, I am an Asst.Prof. in EEE dept in an engineering college in hyderabad. I am very happy to suggest your site to my students.Thank you.

  25. Sathyapriya May 27, 2012 at 6:05 am #

    sir ,i m a student of BioMedical Engg this time i am going to do my project .I want to know relavent details about esi…guide me.

  26. vish shah June 1, 2012 at 10:09 am #

    Sir, i am student of biomedical engg. nw this sem i m doing my project ,so can u please give me more detail about ny releted project of my field……
    also i m requesting to u that u will load more project. please
    repaly me sir thank u.

  27. raghwender June 1, 2012 at 7:32 pm #

    sir i am student in biomedical . i m going to do project, plz suggst some topics with low cost.

  28. shanmugappriyan August 2, 2012 at 11:38 am #

    hi,sir iam bio medical student ,nw this sem i m doing my mini project ,so can u please give me more detail about ny releted project of my field……
    also i m requesting to u that u will load more project. please
    repaly me sir thank u.

  29. shanmugappriyan August 2, 2012 at 12:01 pm #

    hi sir,i m student of bio-medical engg nw i m going to do mini project i have read your artical. bt i want more ideas about projects which are based on microcontroller.please sir rply me.

  30. ram August 9, 2012 at 3:22 pm #

    hello …
    i need projects based on prosthetics. please guide me on that……….

  31. Mousa August 14, 2012 at 8:08 am #

    ALL NICE AND BE AWARE OF ITS ACCURACY AND SAFE FOR HUMAN USE. KAAUH-BST Biomedical Engineering Dept.

    • Mousa August 14, 2012 at 8:14 am #

      Very much apreciated your good work for guiding young new comers in our field of interest ( BIOMEDICAL ENGINEERING )

  32. rami December 2, 2012 at 7:49 pm #

    hi
    can u give me please more details about the touch pads or touch plates in stress meter project
    and thank u

  33. Rohan Aurora January 31, 2011 at 10:31 pm #

    Reverence to you Brian for an informative comment. These are really useful books for Biomedical peers.

  34. devashree February 2, 2011 at 2:19 pm #

    helo sir i m student of bio-medical engg nw i m going to do mini project i have read your artical. bt i want more ideas about projects which are based on microcontroller.please sir rply me.

  35. sravani March 28, 2011 at 12:45 pm #

    we want some more mini projects. pls take our reply

  36. Rohan Aurora February 2, 2011 at 6:48 pm #

    I will post more ideas soon, Devashree. Hope, you enjoy my other blog posts too.

  37. sahil pardeshi July 13, 2011 at 3:07 pm #

    hi can u help with more projects

  38. SREE RANJANI.A August 22, 2011 at 10:25 am #

    hello sir,
    i m the student of medical electronics engineering i m interested to do mini project i had gone through your articles and i need still more details about the projects related to the field of radiology

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