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8051 8051 based Door bell with 6 songs 1.0

AT89S51 based asm code which can play 6 songs including the happy birthday and more.

  1. sajivjess
    AT89S51 based asm code which can play 6 songs including the happy birthday and more.
    When you press the switch a ding dong bell sound is generated from port P1.0. LM386 is used as an audio amplifier.​

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    Circuit diagram
    circuit.JPG
    ajay001, Thai Duong and Echipkool.com like this.
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