To get full information or details of quiz buzzer circuit using led and buzzer without using led display please have a look on the pages

http://seminarsprojects.net/Thread-8-candidate-quiz-buzzer-using-8051-micro-controller-at89c51

if you again feel trouble on quiz buzzer circuit using led and buzzer without using led display please reply in that page and ask specific fields ....etc

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aashish kumar

Please let me have access to synopsis for the project for 3 dimensional led glow in sand glass pattern in c for 8051 . ....etc

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blinking a led using 8051 ppt

This is the first project regarding 8051 and of course one of the simplest, blinking LED using 8051. The microcontroller used here is AT89S51 In the circuit, push button switch S1, capacitor C3 and resistor R3 forms the reset circuitry. When S1 is pressed, voltage at the reset pin (pin9) goes high and this resets the chip. C1, C2 and X1 are related to the on chip oscillator which produces the required clock frequency. P1.0 (pin1) is selected as the output pin. When P1.o goes high the transistor Q1 is forward biase ....etc

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PROPELLER LED DISPLAY USING 8051

SYNOPSIS:
This project is a special kind of circular LED display. With the help some mechanical assembly, LED count, hardware requirement, and hence overall cost is cut to very affordable price. Also, maintenance and repairing of the display is so easy, that anyone having a little electronics knowledge, can take care of this. All the synchronizing can be implemented through software.
First of its kind, made using the 20-pin 8051 series microcontroller, this project use the pri ....etc

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More Info About Message reading through eye blinking

http://changingmindstechniques/body/parts_body_language/eyes_body_language.htm ....etc

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vox projector led blinking but projector not working
vox projector led blinking but projector not working ....etc

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Please let me have access to synopsis for the project for 3 dimensional led glow in sand glass pattern in c for 8051 . ....etc

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accident prevention using eye blinking and head movement ppt

Abstract

This paper describes a real-time online prototype driver-fatigue monitor. It uses remotely located charge-coupled-device cameras equipped with active infrared illuminators to acquire video images of the driver. Various visual cues that typically characterize the level of alertness of a person are extracted in real time and systematically combined to infer the fatigue level of the driver. The visual cues employed characterize eyelid movement, gaze movement, head movement, an ....etc

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I feel as though there are many individuals on this site who haven't had the opportunity to see what our customers are doing with our products . I know browsing through thread after thread to see results can be daunting, so I've gone ahead and collected photos from many various grow demonstrations that are either completed, near completion, or in progress to show you that the future of lighting technology is here!

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surefire led flashlight
surefire flash light
surefire tactical ....etc

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