Home » Engineering Education » G L Bajaj engineering college, student makes laser laser barricading device (Laser fencing) with Rs 2,500 & jugaad

G L Bajaj engineering college, student makes laser laser barricading device (Laser fencing) with Rs 2,500 & jugaad

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The Times of India |

NOIDA: Using scrap material collected from construction sites, a 19-year-old student of a private engineering college in Greater Noida has developed a prototype laser barricading device, which he claims can check infiltration attempts at the border and secure facilities inside the country. Laser fencing may have already been deployed in parts of the Indo-Pak border deemed porous, but Bittu Kumar’s device makes use of India’s innovative fixes, popularly known as jugaad, with the use of scrap material, bringing down the cost to Rs 2,500. The laser barricade is made of two parts, kept away from each other. One part is equipped with a sensor, a microcontroller, an adapter and a speaker. The other part is a stand that emits laser beams. The rays go from one end to a black hole in the main device equipped with sensors. It sounds an alarm if it detects any obstruction to the rays.

The third-year mechanical engineering student of G L Bajaj Institute of Technology and Management, Bittu said the range of the laser device is 100 metres, but that he could increase it with access to more funds. “I bought most of the parts for the device from the scrap market, or collected them from construction sites in Noida. I invested only Rs 2,500 in this project. This device can detect infiltration up to one kilometer if upgraded,” said Bittu, while demonstrating the model in his college. Bittu, who has grown up in Supaul district of Bihar along the Indo-Nepal Border, said the desire to design such a device was first kindled in him when he was in Class V, when local police had busted a fake currency note racket near his village. “I thought of developing a device that will help police improve border security. But I had no technical knowledge and no resources at the time,” he said. He admits the prototype is not without limitations and that he is already working on upgrades. In the next stage of development, he plans to insert a sensor which would reveal an approximate location of the infiltration attempt. The device is also not equipped to detect fake infiltration. For example, it can’t differentiate if the infiltrator was a person or an animal, and the siren would go off even if a bird crosses the laser rays. Bittu, however, believes if he can improve the device to the desired level, it will be good enough for use by the Army to check cross-border infiltration, especially where topography makes barbed-wire fencing difficult. The project has received a thumbs up from his teachers. Dr Rajeev Agarwal, director of the institute, said, “We are making a blueprint to take the project to the next level. We are working to ensure the device identifies fake alarms, intrusion by cattle, birds, unmanned vehicles, objects and human beings. The sensor to ensure proximity of infiltration will also be equipped,” he said. – Courtesy


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