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finger heart rate monitor circuit using 8051 microcontroller


Posted by:
Created at: Thursday 18th of October 2012 10:39:20 AM
Last Edited Or Replied at :Thursday 18th of October 2012 10:39:20 AM
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can i get complete circuit diagram of heart rate measurement using finger..................[:=> Show Contents <=:]



Microcontroller-Based Heart-Rate Meter


Posted by: project report helper
Created at: Thursday 07th of October 2010 01:20:31 AM
Last Edited Or Replied at :Saturday 16th of March 2013 11:35:51 AM
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]

Prof. K. Padmanabhan

introduction

Heart rate can be measured either by the ECG waveform or by the blood flow into the finger (pulse method). The pulse method is simple and convenient. When blood flows during the systolic stroke of the heart into the body parts, the finger gets its blood via the radial artery on the arm. The blood flow into the finger can be sensed photoelectrically. To count the heart beats, here we use a small light source on one side of the finger (thumb) and observe the change in light intensity on the other side. The blood flow causes variation ..................[:=> Show Contents <=:]



VEHICLE MONITORING AND CONTROL SYSTEM USING MICROCONTROLLERS full report


Posted by: computer science topics
Created at: Thursday 17th of June 2010 02:31:35 AM
Last Edited Or Replied at :Monday 23rd of January 2012 12:18:45 AM
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akes. In this way the speed is automatically limited to a predefined value.

b.)FUEL LEVEL MONITORING:

The fuel level can be monitored by using a non-conducting, non-contact measurement system using ultra sonic waves. The system consists of a ultra sonic transponder. The transponder is fixed at the top of the fuel tank. Ultra sonic signals are sent in the downward direction. These waves are reflected from the fuel surface and the receiver receives the reflected signals. The time elapsed, in receiving the reflected ray since the transmission of signal, gives the total distance t..................[:=> Show Contents <=:]



microcontroller based mini projects


Posted by: seminar presentation
Created at: Saturday 29th of May 2010 06:24:38 AM
Last Edited Or Replied at :Friday 17th of February 2012 11:00:33 PM
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ntrolled High Voltage device switching with Electromagnetic Relay
36. IR TV remote controlled DC Motor speed controller with password protection
37. IR TV remote controlled Stepper Motor controller with password protection
38. LDR based automatic lamp illumination controller with High Power/Intensity LED lighting (PWM control)
39. Optically Isolated Fuse blown Indicator with Sound and light indicator
40. High Voltage Fuse blown Indicator with Display on Computer/PC
41. Pulse Width Modulation (PWM) Speed Control of a DC Motor
42. IR LED and LDR based Heartbeat Monitor with display on LCD..................[:=> Show Contents <=:]



Microcontroller Based Anesthesia Injector full report


Posted by: project topics
Created at: Wednesday 21st of April 2010 11:11:49 AM
Last Edited Or Replied at :Monday 04th of March 2013 02:15:51 AM
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D SYSTEM
Now days, embedded systems are used in many applications in medical field for controlling various biomedical parameters. In this design, a micro-controller is used for controlling the anesthesia machine automatically, depending upon the various biomedical parameters such as body temperature, heart rate, respiration rate etc.
Major operations are performed to remove or reconstruct the infected parts in the human body. These operations lead to blood loss and pain. Therefore it is necessary to arrest the pain and the blood loss. Anesthesia plays important role in the part of painkillin..................[:=> Show Contents <=:]



INFRARED SWITCHING OF ELECTRICAL APPLIANCES USING EMBEDDED CONTROLLER full report


Posted by: seminar topics
Created at: Sunday 28th of March 2010 08:14:59 AM
Last Edited Or Replied at :Thursday 29th of November 2012 02:01:21 AM
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K.Madhava

Introduction & Overview

It is an embedded controller circuit to switch on and off electrical appliances.
This system will use normal TV remote control to send the control signal
The TV remote control sends different control signals as per the key pressed.
This control can be used for decoding and select some of the out pin of the micro controller.


FUNCTION
The TV remote control sends control signals in the form of IR rays to the receiving unit.
The receiving unit receives the IR signals.
The IR signal will be converted into digital si..................[:=> Show Contents <=:]



mobile controlled intelligent robot


Posted by: computer science technology
Created at: Thursday 28th of January 2010 01:22:35 AM
Last Edited Or Replied at :Saturday 18th of February 2012 05:32:00 AM
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a tracking controller for the dynamic model of unicycle mobile robot by integrating a kinematic controller and a torque controller based on Fuzzy Logic Theory.and its application is to d..................[:=> Show Contents <=:]



INTERACTIVE VOICE RESPONSE SYSTEM


Posted by: electronics seminars
Created at: Saturday 16th of January 2010 12:34:55 PM
Last Edited Or Replied at :Tuesday 31st of January 2012 10:13:02 PM
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tor is designed to harness the magnetic interaction between a current-carrying conductor and an external magnetic field to generate rotational motion.

Let's start by looking at a simple 2-pole DC electric motor (here red represents a magnet or winding with a North polarization, while green represents a magnet or winding with a South polarization).

Figure 22 Block Diagram of the DC motor
3.1.7 RELAY

Figure 23 RELAY

Equivalent to Good Sky Part# RW-SH-112D
Details:
These SPDT relays covers switching capacity of 10A in spite of miniature size for PCB Mount.
Contact Rating
..................[:=> Show Contents <=:]



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