This Python project can control up to 64 individual 8 channel R421A08 relay boards from the command line and GUI. It uses a universal USB - RS485 dongle. Python packages for easy application ...
A smoke detector design that combines sensing, alarm, horn driver, temperature check, and communication in one unit, using fewer parts for fire and home safety systems. 3V Boost Stand-alone Smoke ...
This project is an Arduino-based safety and home automation system that combines a fire sensor, PIR motion sensor, and Bluetooth controlled relays. It can detect fire and human motion, trigger buzzer ...