Step 3: Build Your SIS Hub

The SIS Hub receives codes from the SIS wireless sensors, processes these codes into unique sensor trips, meaningful events, and useful inferences, timestamps and logs this information, and makes the log available for secure access over the Internet. The SIS Hub is based upon the Particle Photon module (Particle.io). You must solder up a PC board to create the Hub. Complete instructions for doing so, including parts list, are contained in the SIS Hub PCB Assembly Instructions manual:


Only basic through-hole soldering skills are required.

After assembling the HUB PCB, you may optionally mount it into a plastic enclosure, following the instructions in:


Finally, you will need to install the firmware into the SIS Hub by following the PCB Firmware Installation instructions:


<p>Well written instructions and a very nice project.</p><p>You may want to edit the final email address. It looks like &quot;shrimware&quot; should be shrimpware. Love your logo!</p>
<p>Thanks for noticing this - done!</p>
<p>I made one using 433 and 315 MHz receivers from Sparkfun. It made the assembled PCB look a little like the starship Enterprise.</p>
<p>Great ideas for a DIY security system.</p>
We have thought about using SIS for security, but we have reservations about the cheap sensors. These sensors are, in fact, sold on E-Bay as part of a security system, but they do not broadcast a low battery conditions. We think that the low price is worth it if the application is monitoring Grandma to see if she is OK at home (but not emergency response!). If a sensor battery dies, you would see a change in Grandma's daily pattern that would consistently leave out some room, in which case you would be inclined to check on the sensor's battery (and Grandma!).<br><br>Another reservation is that the separation sensors only trip when a door or window is opened. Most professional alarm systems keep track of door and window state so that you don't arm the alarm system with the back door or a window left open and then a burgler enters the house without tripping the alarm. Likewise, in SIS we cannot tell if Grandma closed (and locked) her door when she left the house, but we do know that she went out and is not at home.

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More by Team Practical Projects:Standalone Intelligent Sensor System 
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