Open home security - your Arduino burglar alarm

OHS is open source based burglar alarm and automation platform. It can work as new alarm gateway, or it can replace your old alarm panel. OHS can use any wired 12V sensor, PIR, smoke or reed switch. It has Web interface that is used to set it up. OHS has GSM modem that is able to send SMS or page you. It has radio interface for environmental sensors. OHS is self-contained, it does not need any cloud service, only optional SMTP server for emails, or MQTT server to publish collected sensor data.

Thursday, May 14, 2015

GSM and uptime

Just today, I have accidentally discovered that the GSM service provider had
some problems with his network. Luckily the thread that check GSM status handled the network failure just well, and recovered from it without issues.

I have the system up and running for 96 days with all threads working. I
must say the NilRTOS is really robust.I'm planning some software updates, but I have to create remote ISP first.

Also recently I have got W5500 chip and Wiz550IO and I'm very tempted to create a new mainboard together with SIM900. This would be all included alarm board that can simply replace old alarms and offer many features with open firmware and hardware.

Open home security - your Arduino burglar alarm

Thursday, May 14, 2015

GSM and uptime

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