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 ...

However, it's never easy to pick the right one for your home, because there are so many smoke alarm brands on the market. Believe us, after reading this detailed guide, you will be able to find out ...

Having the most reliable smoke and carbon dioxide detector in your house is like you are proactively improving the protection of yourself and your family against fires. Therefore, it’s worth ...