As someone who values both reliability and modern convenience, I’ve always been curious about integrating my old-school security system with my new SmartThings setup. After some research and trial and error, I managed to create a seamless connection between the two, and I’m excited to share my experience!First, I freed up a zone on my hardwired system by connecting two zones in series. This allowed me to use one zone for the SmartThings integration. I then set up a device handler for the Mimolite, which acted as the bridge between the old and new systems. Pairing Mimolite with SmartThings was straightforward, and it opened up a world of possibilities.I created a security rule in SmartThings to trigger the Mimolite switch when motion sensors detected activity. This, in turn, sent an alarm signal to my hardwired system. On the flip side, I connected the hardwired system’s alarm to SmartThings, ensuring that any alarm triggered by the traditional system would notify me through the SmartThings app. This two-way communication was the key to making everything work seamlessly.One challenge I faced was measuring the voltage from the hardwired system to set the Mimolite’s analog triggers correctly. After some testing, I adjusted the parameters to fit the voltage range I observed. This step was crucial for ensuring reliable communication between the systems.The result? A fully integrated security setup that combines the reliability of my old system with the smart, app-controlled features of SmartThings. I can now monitor and control my entire security system from my phone, set up custom automations, and enjoy peace of mind knowing both systems are working in harmony.This project was a great learning experience, and it reinforced my belief in the potential of blending traditional and modern technology. If you’re considering a similar integration, I’d say go for it—it’s worth the effort! 