KiCad boards from 2 GitHub repositories tagged “iot-security”, the most starred first; open any of them in PCBKit.
GiZano/QuakeGuard
Distributed Earthquake Early Warning (EEW) system built on low-cost ESP32-C3 IoT sensors with Zero-Trust security, multi-node epicenter triangulation, and on-premise AI emergency reports.
JaswantBhartiya/esp32-laser-security
A wire-free laser security tripwire system powered by an ESP32-S3. Features independent transmitter nodes, multi-bounce mirror pathing, dynamic auto-ambient light calibration, custom KiCad PCB files, and 3D mechanical…