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Title: Mini Mic Pre-Amplifier Circuit based IC LM358
Page Link: Mini Mic Pre-Amplifier Circuit based IC LM358 -
Posted By: seminar paper
Created at: Saturday 25th of February 2012 05:35:28 PM
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Mini Mic Pre-Amplifier Circuit based IC LM358



Simple Audio Pre-Amp circuit
Designed based on single Transistor 2N3904, this circuit will provide good gain for weak audio signals such as electret microphone. Easy to build and really simple for pre-amp circuit

Condenser Mic preamplifier
This is a very simple preamplifier circuit for condenser microphone. This mic preamplifier also can be used for dynamic microphone.

You can replace the BC549 ....etc

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Title: heartbeat sensor using lm358
Page Link: heartbeat sensor using lm358 -
Posted By:
Created at: Saturday 27th of May 2017 12:24:06 AM
fm transmitter circuit using ic lm358, working of rain detector circuit using lm358, ldr sensor with 2 lm358, heartbeat sensor lm358 working, street light using lm358, microphone amplifier circuit with lm358, cost of lm358 heart beat sensor,
Hi am piusha i would like to get details on heartbeat sensor using lm358 ..My friend Justin said heartbeat sensor using lm358 will be available here and now i am living at barasat and i last studied in the school bdmi... and now am doing btech ...i need help onmy project.etc ....etc

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Title: A Remote Compact Sensor for the Real-Time Monitoring of Human Heartbeat and Respirati
Page Link: A Remote Compact Sensor for the Real-Time Monitoring of Human Heartbeat and Respirati -
Posted By: seminarsonly
Created at: Monday 06th of September 2010 08:55:47 PM
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A Remote Compact Sensor for the Real-Time Monitoring of Human Heartbeat and Respiration Rate

Abstract:
A remote compact sensor system for the detection of human vital signs (heartbeat) and respiration rate is presented. By transmitting the RF signal to the heart and receiving the reflected waves, the heartbeat and the respiration rate can be detected. Inorder to extract the heartbeat and respiration rate from the received RF signal, the peak detection of the power spectral density (PDP) with ....etc

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Title: circuit diagram of electronics stethoscope using lm358
Page Link: circuit diagram of electronics stethoscope using lm358 -
Posted By:
Created at: Wednesday 15th of July 2015 10:21:47 PM
electronic stethoscope project report, stethoscope seminar topic, wireless stethoscope using bluetooth ppt, microphone amplifier circuit with lm358, seminar based on digital stethoscope, low noise dynamic mic preamp circuits with lm358, projects using ic lm358,
I need circuit diagram of electronics stethoscope because of my project.....i have an challenge to build a instrument that caunt our heart beat and send to digital display plz give me circuit diagram ....etc

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Title: HEARTBEAT SENSOR
Page Link: HEARTBEAT SENSOR -
Posted By: seminar surveyer
Created at: Wednesday 12th of January 2011 06:40:30 PM
lm358 as the heartbeat sensor, ldr and lm358 based heartbeat sensor, lm358 heartbeat sensor features, software for heartbeat recognition project, circuit diagram of heartbeat sensor using lpc 2148, heartbeat sensor using ldr and lm358 working, interfacing heartbeat sensor with atmega32,




Short description
The Heart Beat Sensor provides a simple way to study the heart's function.
This sensor monitors the flow of blood through ear lobe. As the heart forces
blood through the blood vessels in the ear lobe, the amount of blood in the
ear changes with time. The sensor shines a light lobe (small incandescent
lamp) through the ear and measures the light that is transmitted. The clip can
also be used on a fingertip or on the web of skin between the thumb and
index finger. The signal is amplif ....etc

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Title: a remote compact sensor for the real time monitoring of human heartbeat and respiration rate
Page Link: a remote compact sensor for the real time monitoring of human heartbeat and respiration rate -
Posted By:
Created at: Friday 05th of October 2012 01:45:59 AM
a remote compact sensor for the real time monitoring of the human heartbeat n respiration rate using zigbee system design, advantage disadvantages and application s of digital respiration rate meter, automatic heartbeat monitoring and safe parking of vehicle ppt, wireless patient heartbeat and temperature monitoring system ppt quick download, rate of eyeblinking sensor, literature review of respiration rate meter, wireless heartbeat monitoring and alert system diagram,
report of the remote compact sensor for the real time monitoring of human heartbeat and respiration rate ....etc

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Title: solar tracking system using lm358 ic
Page Link: solar tracking system using lm358 ic -
Posted By:
Created at: Wednesday 15th of November 2017 08:07:26 PM
lm35 lm358 relay circuit, sensor lm358 block diagram pdf, lm358 for ir sensors, lm358 preamplifier circuit, heat sensor circuit using lm35 and lm358, microphone amplifier circuit with lm358, lm358 heartbeat sensor features,
I want project report on solar tracker by using lM358 ic ....etc

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Title: solar tracker report with lm358
Page Link: solar tracker report with lm358 -
Posted By:
Created at: Wednesday 15th of November 2017 07:22:33 PM
condenser mic preamp lm358, ic lm358 working and construction, lm358 in cascade, lm358 based project, lm358 rfid schematic, projects using ic lm358, low noise dynamic mic preamp circuits with lm358,
Solar tracker by using  lm358 project report ....etc

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Title: lm358 work with ldr in heart beat sensor
Page Link: lm358 work with ldr in heart beat sensor -
Posted By:
Created at: Tuesday 05th of March 2013 10:07:14 PM
lm 358 in heart beat sensor, low cutoff and high cutoff ckt using ic lm324 and lm358, ldr sensor in speed, how lm358 works with an ldr, lm358 rfid schematic, mic lm358, advantage of ldr sensor,
i want heart beat sensor using ldr and lm358.its my major project.can u plss send it as soon as possible ....etc

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Title: working of wireless heartbeat monitoring system project
Page Link: working of wireless heartbeat monitoring system project -
Posted By:
Created at: Wednesday 14th of November 2012 05:29:19 PM
wireless heartbeat sensor monitoring, biopic heartbeat monitor project, heartbeat monitor electronic project, wireless heartbeat measurement, real time heartbeat monitoring system project pdf, kamapichasi phone numberss of heartbeat monitoring system using gsm technology, wireless technology to check heartbeat,
Good day! Can I have the patent or complete documentation of this project? ....etc

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