Doorbell Memory (140092-1)
Doorbell Memory (140092-1)
Overview
Bare PCB # 140092-1
Overview
Bare PCB # 140092-1
9,86 €
Non membres:
Regular Price
10,95 €
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Détails
Bare PCB #140092-1 for the project Doorbell Memory.
On occasion it may be useful to know when a visitor has called in your absence. This is also true in case of an enforced absence when a visitor is expected. This project helps to rectify the situation by providing a “memory” for a doorbell. On your return an LED will indicate whether or not a visitor had called.
Spécifications
| réf. | 17227 |
|---|---|
| marque | Elektor Labs |
| Référence de rédaction | 140092-1 |
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