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| Product Description:
This unit is a eight-zone wired security system. The project involved updating the fire siren output circuitry and software to detect a fault (open or short) in the fire siren loop as per the latest Canadian regulatory requirements. | ||
| Designed at:
Tandy Electronics Design Sold at: Radio Shack as 49-485A |
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| Credits:
Electronics/Firmware Design - Doug Deeds Original Electronics/Firmware Design - Albert Straub |