Optical smoke alarm uses MOC 7811 which is an optocoupler.The sensor designed for this device is based on the principle of scattering of infrared rays.The light coming from the light source passes ...

Contribute to baraya-code/Arduino-Smoke-Detector-with-Voice-Alarm development by creating an account on GitHub.

I will attach all the schematics and the PCBs design for the project. I will start by doing the PCB design for the smoke sensor detector. Components: Arduino UNO; Power Supply; Smoke Sensor (MQ2) ...

A working smoke alarm in the home gives you early warning of a fire. Last year, 59 per cent of fires in single family homes across the city did not have a working smoke alarm. To protect your family ...

Smoke alarms, or at least ionization-based alarms with a tiny amount of radioactive americium, are very simple devices. Inside the alarm, there’s a metal can – an ionization chamber – with ...

By: Barry Hathaway As the country marks Fire Prevention Week (Oct. 6 to 12), homeowners new and experienced will be reminded to check their smoke alarms and review their residential fire safety plans.