• K.GOPI KRISHNA
• D.ANANTHA SAI RAM
• B.VENKATA KRISHNA REDDY
• A.BALA SARASWATHI
• G.MOHANA SAI KRISHNA

At recent years whiteboard/blackboard has become a crucial element at almost every educational institute. They are large in size, for that reason it is very time consuming and tedious process to erase the writings from the board with duster manually also chalk dust scatter can cause health issues like skin irritation and some lungs related problems. It even breaks the concentration of both lecturers and listeners.We here propose an automated blackboard or whiteboard cleaning mechanism that cleans entire boards automatically with just a button click. Our system uses a aluminum frame, lead screw, arduino, two channel relay, Bluetooth module, motor driving chip, dc motor with 1000rpm, arduino app on mobile, end stoppers and a slider. When we give the command from the arduino app to Bluetooth module, it transfers command to the arduino. The arduino send voltage signals to the two channel relay module which provides power to 12V DC motor. The motor shaft welded to the lead screw starts rotating, as the lead screw rotates, the slider arranged over the lead screw starts moving either left or right. Whenever the slider comes in contact with the end stopper which are attached on either sides of the board, the end stopper sends signals to arduino and the arduino stops sending voltage signals to relay modul

lead screw, dc motor, channel relay, Bluetooth module, arduino.

"FABRICATION OF AUTOMATIC BLACK BOARD CLEANING MACHINE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 5, page no.212-217, May-2019, Available :http://www.jetir.org/papers/JETIRBT06030.pdf

"FABRICATION OF AUTOMATIC BLACK BOARD CLEANING MACHINE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 5, page no. pp212-217, May-2019, Available at : http://www.jetir.org/papers/JETIRBT06030.pdf