Datasheet Details
| Part number | UM66 |
|---|---|
| Manufacturer | ETC |
| File Size | 151.16 KB |
| Description | Music Calling Bell |
| Datasheet |
 UM66 Datasheet
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| Part number | UM66 |
|---|---|
| Manufacturer | ETC |
| File Size | 151.16 KB |
| Description | Music Calling Bell |
| Datasheet |
UM66 Datasheet
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This is the simplest ever musical calling bell that can be easily built.
It uses the musical 3 pin IC UM66 and a popularly known Transistor BC548b.