Melody generator/ Door bell alarm - circuitspedia

Melody generator/ Door bell alarm

Police Siren Sound Effect Circuit

Police siren sound effect circuit

Electronic Siren Circuit Diagram  siren circuit using 555 timer We are going to make a Police Siren Circuit using two 555 timer IC. The circuit will produce an up-down wailing sound from the speaker. In …

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Multitone Doorbell Alarm

Multi-tone Musical alarm circuit IC UM3481 is an 8 song Melody Generator IC designed for the purpose of Melody generation in various gadgets. It is widely used in Doorbells, Alarm systems, Reverse horns, Toys, Clocks, …

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