How to Convert 12volt Relay to a Speaker

Introduction: How to Convert 12volt Relay to a Speaker

About: Electrical Engineer
This is a simple way to made a Speaker from 12 volt Relay .

Materials:
1- 12 Volt relay.
2- Plastic dish.
3- Strong magnet.
4- Audio Amplifier.

Steps:
Connect The input of Audio Amp. to PC or any media player audio output.
Connect the output of Audio Amplifier to 12 volt relay coil  and fellow the below video.  

Note that the Audio Amp. used TDA1557 Chip shown in attached Data sheet. 



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    11 Discussions

    0
    Megacyles
    Megacyles

    8 months ago

    Aside from this, think of the endless opps experiments with other similar components: Various coils in eletro-mechanical switches, transducers, solinoids etc. PLUS ac or dc sources .... combined to do something smart... any ideas? ??

    0
    Megacyles
    Megacyles

    8 months ago

    Samir..., basic & just fascinating ! Was wondering if the secondary switches hahaha

    As an instructable, it's pretty good. However I wouldn't exactly call it a "tip and trick"

    0
    Lectric Wizard
    Lectric Wizard

    Reply 7 years ago on Introduction

    don't you mean that the other way around ? it's a trick, not an Instructable !

    0
    4lifenerdfighter
    4lifenerdfighter

    Reply 7 years ago on Introduction

    No. The author entered this in an electronics tips and tricks contest. This isn't something that would be convenient to someone doing elecronics.

    0
    Husham Samir
    Husham Samir

    Reply 7 years ago on Introduction

    Well , I respect your opinion but I considered a relay as an electronic parts and I made a tricks to convert it to a speaker , that's why I entered this to this contest.

    0
    4lifenerdfighter
    4lifenerdfighter

    Reply 7 years ago on Introduction

    True. It is fairly impressive. How does this work anyway? Like, isn't sound analogue, and a relay digital?

    0
    thewestafrican
    thewestafrican

    Reply 6 years ago on Introduction

    a relay is just an electromagnetic coil and some contacts, like an electric switch, there is NOTHING digital about a relay

    0
    astral_mage
    astral_mage

    6 years ago on Introduction

    would any 12 volt relay work ? and why are the resistors there, wats their purpose used 4?