Does anyone here have experience with the wired-power smoke alarms? My brother in-law has them at his house, but they look like just low-voltage wires connecting to rechargeable smoke alarm device. I want to take mine a step farther. I would like to replace my smoke detectors with POE / rechargeable smoke detectors. Are there any with sms-text alerting? Is there open-source hardware I can use to save me some money? I have hardware / servers, I can manage applications to run centrally. Can anyone comment, give advice - is into this type of stuff?