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This paper proposes a method for controlling a Robotic arm using an application build in the android platform. The android phone and raspberry piboard is connected through Wi-Fi. As the name suggests the robotic arm is designed as it performs the same activity as a human hand works. A signal is generated from the android app which will be received by the raspberry pi board and the robotic arm works according to the predefined program. The android application is the command centre of the robotic arm. The program is written in the python language in the raspberry board.the different data will control the arm rotation.

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A set of controllers connected by a data network and appearing to function as one unit is known as a distributed control system (DCS). Despite having diverse roles, locations, configurations, and specifications, they are all connected by a common language of communication. In applications like chemical plants or oil refineries, where there are many input-output modules engaged in communication, DCS is favoured. They are multitasking systems that can handle sizable common databases and support numerous control loops through graphical function block representation. The necessity of the hour is process monitoring and control from a distance. One such option is DCS, which is used in most process control sectors. This idea is based on applying the Supervisory Control and Data Acquisition (SCADA) concept in the stations and using DCS to control the existing process stations in the lab (level and flow process). The process control panel for each station’s monitoring and control is developed with a user-friendly Front Panel. The Proportional Integral Derivative (PID) Controller is programmed using functional blocks for the level and flow process.