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DIY Doorbell to House Phones
The Tweeting Intercom: (Door Strike) Relay Monitoring w/ Raspberry Pi
Doorbell that Turns on a Light
DIY Hacks and How Tos
Wireless Doorbell - (Raspberry PI & Amazon Dash)
Opening the lock with intercom via smartphone
Arduino Push Alerts for Doorbell, Burglar Alarm, Smoke Alarms etc
Hack a wireless doorbell into a wireless alarm switch or on/off switch
SMS Doorbell + Answering Machine
Cheapest (~10-15USD/unit) wireless intercom or Simple USB powered Walkie Talkie hack
Posted:Jan 7, 2010
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