Door Bells |
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Melody Card Packages |
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Miscellaneous Sounds Generators |
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Siren, Gun & Bomb Sound Generators |
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Sound Effect Generators |
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Train Sound Effects |
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Voice Effects |
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Background Information |
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COB Based Sound Generators (SG Series)
COB means that the very small die form of the IC is bonded directly onto a PCB and the copper tracks come out from it. A blob of black epoxy covers & protects it. The benefit is a saving in space. We are buying these COB's on larger than usual PCB 16mm x 29mm, so that the student can solder the external components to it with a minimum amount of difficulty. Our supplier is currently in the process of making mother boards for the COB PCB's to plug into. This will make it easier for the user to solder the components to the kit and to physically support it in its Application. Kits that are supplied with a motherboard have an 'M' at the end of the part number. These interesting project kits are easy to build and can be used in a variety of applications. KITS: Each kit contains a small (16mm x 29mm) COB PCB and all of the other components required including a speaker, switches and battery holder. Unless otherwise specified, kits are supplied with components for 3Vdc operation (2 "AA" batteries), but can be modified to operate from 2.5-5Vdc. Kits with an 'M' suffix are supplied with a motherboard for ease of assembly. COB PCB ONLY: We can also supply the COB PCB on its own. You supply all the other parts required. Melody Card Packages
Each kit contains two complete, ready to use units. Each unit comprises a COB PCB, switch, battery and Piezo transducer speaker mounted on a self adhesive backing for attaching to the inside of cards, books and cases etc, so that it plays the tune when opened. Ideal for personalising birthday cards and presents. Unit measures 35 x 80mm. |
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See also |
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| Kit (KT) or Assembled (AS) Format? Electronic Projects with Order Codes ending KT are supplied in KIT FORM and require soldering. Order Codes starting AS are supplied ready ASSEMBLED, tested and ready for use. Most of the pictures on our website show products assembled - more. | |||
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