Musical door bell / Muzaini Mansor and Shamsudin Abdullah

Mansor, Muzaini and Abdullah, Shamsudin (2000) Musical door bell / Muzaini Mansor and Shamsudin Abdullah. [Student Project] (Unpublished)

Abstract

This musical door bell generates 16 difTerent notes in three second, and repeals the cycle for about ten second when the ’press switch ofT is pushed momentarily."Hie unit works of four CD size preferable cells(16V),and it does not require on/off switch as the ideal current is less than 40 micro amperes.
The circuit for musical door bell comprises a clock oscillator using popular timer IC 555, 4-bit binary counter 7493 and digital analogue converter using four resistors. Basic audio oscillator using IC 555(IC 3),and an electronic delay switch

Metadata

Item Type: Student Project
Creators:
Creators
Email / ID Num.
Mansor, Muzaini
UNSPECIFIED
Abdullah, Shamsudin
UNSPECIFIED
Contributors:
Contribution
Name
Email / ID Num.
Advisor
Tajuddin, Taniza
UNSPECIFIED
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Apparatus and materials
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Apparatus and materials > Semiconductors
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Apparatus and materials > Detectors. Sensors. Sensor networks
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Apparatus and materials > Transmission lines
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Microelectromechanical systems
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Electronics > Applications of electronics
Divisions: Universiti Teknologi MARA, Pulau Pinang > Permatang Pauh Campus > Faculty of Electrical Engineering
Programme: Diploma of Electrical and Electronic Engineering
Keywords: Musical Door Bell, Clock Oscillator, Audio Oscillator
Date: April 2000
URI: https://ir.uitm.edu.my/id/eprint/50511
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