This very basic but well made device is comprised of a plated spring arm with press knob, a contact stud, and plated connecting strip. Close a circuit simply.
Product Details
| Brand | EISCO |
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| Manufacturer | EISCO |
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| Product Type | Science Lab Education Curriculum Support |
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| Mpn | PH0986A |
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- Single arm contact key
- Can be used for demonstration of morse code or for a telegraph
- Perfect for use with a Raspberry Pi project
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