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 ...

With the help of Parkers, you can find out all of the key specs about the Hyundai i20 from fuel efficiency in MPG and top speed in MPH, to running costs, dimensions, data and lots more. We have the ...

With the help of Parkers, you can find out all of the key specs about the Volkswagen Polo from fuel efficiency in MPG and top speed in MPH, to running costs, dimensions, data and lots more. We have ...