dwdm interview questions answers pdf,all type of latest technology related all questions and answers.

Now one day) there is a lot of requirement to control the devices in an industry or in a house connected to the electric network when we are working with our PC. , In these situations we have to go to the place where the power grid has been located, which is a time-consuming process. The main objective of the present project is to provide an installation by which we can control all the devices connected to the power grid of the li + e lamps) and air cooler etc from your PC or from your laptop in a Distance of 'meters around the control board. The only thing is that we need to connect a ! Remote transmitter to your PC and a control board to the power control section of the house., In this system the wireless communication lin + is made possible between the ! Remote and control board with the help of ! communication. It is ideal for efficient wireless and long distance communications. The ! Remote receives commands from the PC via serial communication lin + and is transmitted to the air. / Ere the command denotes the on or off conditions of the appliances. Each of the devices connected to the mains has its own independent command for the on and off conditions. The control panel that is attached to the control section of the power grid in the home0 industry consists of a ! receiver. It receives the commands transmitted by the transmitter and is given to the micro-controller.