Musical door bell / Muzaini Mansor and Shamsudin Abdullah
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...
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Main Authors: | , |
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Format: | Student Project |
Language: | English |
Published: |
2000
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Subjects: | |
Online Access: | https://ir.uitm.edu.my/id/eprint/50511/1/50511.pdf https://ir.uitm.edu.my/id/eprint/50511/ |
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