Automatic PCB Etching Machine
Automatic PCB Etching machine
Abstract
The purpose of this project is to design a PCB etching machine. For this a Container which will contain the etching solution will be designed. The user will initially dip the PCB in etching material. After that the user has to enter the time interval using matrix KB for which the liquid is to be stirred. The µC will read the timing and start the stirring process with the help of DC motor. The DC motor will move the container in Forward and reverse direction so that the liquid is properly stirred. After the stipulated time ends the DC motor is stopped and the User can take out the Etched PCB. When delay time is over the buzzer will be turned ON.
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