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| Meike Halle (talk | contribs) No edit summary | Meike Halle (talk | contribs)  No edit summary | ||
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| I also installed a switch with 2 open wires, which would be closed if someone would open  the back door. | I also installed a switch with 2 open wires, which would be closed if someone would open  the back door. | ||
| [[File:electronics1.jpg| | [[File:electronics1.jpg|350px]] | ||
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