... GUARDIAN 2.0. I got tired of legacy safety tools relying on slow, expensive SMS notifications, so I re-architected my platform to run real-time crash telemetry straight through WhatsApp while bridging directly into physical home alarm hardware (like Olarm, Paradox, and IDS). Really glad to join the PH community! Excited to connect with other makers working on IoT, mobile sensors, and developer-led projects. What are you all currently building ...