In 18th century, the concept of grass cutter was like it is just a mechanical machine which was manually operated. With the invention of engines, petrol engines were used to power cutters. Now a days there are many types of grass cutters with various features like solar powered, petrol engine RC ope
Automatic Grass Cutting Machine
In 18th century, the concept of grass cutter was like it is just a mechanical machine which was manually operated. With the invention of engines, petrol engines were used to power cutters. Now a days there are many types of grass cutters with various features like solar powered, petrol engine RC operated but they do not provide the ease to their users. User has to go outside regardless of the weather conditions or has to remain insight in order to move it properly.
Cutting grass after it has grown longer is a tiresome and time-taking process. And it also requires a lot of human effort. In large size of lawn in the park, schools, college are maintained manually. The gardener uses hand scissors to cut and maintain lawn regularly which also takes more time. It is not easy and also very difficult to maintain uniform size. Hence this works to make a battery powered automatic grass cutter. So, having an automatic grass cutter is need of the hour. So the idea occurred to us when we started to think and figure out a method or a solution of lawn maintenance which will require less or minimum human effort and also it would be time efficient.
In this project a conventional push grass cutter is modified into Automatic, battery powered, video surveillance grass cutter. Microcontroller is used to interface ultrasonic sensors and gyroscope sensor with cutter motor and vehicle motors. If an obstacle is detected that is any living or non-living thing, micro controller stops all motors and cutter moves backward so that operator can guide it away from obstacle.
? Our main objective for this project is to commercialize the end product.
? We aim to make the end product autonomous (requiring minimum human effort) and time efficient.
Automatic Grass Cutter is a device used to cut the grass at variable heights using rechargeable batteries. Two batteries are used along with two vehicle motors for forward movement of the cutter as well as for steering and a high-speed high torque DC motor with low rpm for cutter.
The input signal goes into the microcontroller that interprets it and pass it further to the relays that drives the motors. If an obstacle is detected the signal goes into the microcontroller and pass it to the relays to stop the motors. The main aspect of Automatic, battery powered, video surveillance grass cutter is to ensure the safety. The batteries are used to power the Arduino as well as the motors the camera gives us a video feedback to control the cutter. Programming for this project is done on Arduino.
? It can be used for lawn maintenance in cricket & football grounds.
? It will be applicable for use in lawn maintenance of household gardens, lawns & farmhouses.
? With certain modifications, it can also be applicable for use in harvesting and cutting of crops in small agricultural fields and farms.
? Easy to move from one place to another.
? Compact size and portable.
? Operating principle is simple.
? Length-adjustable blade for varying length of grass.
? Non-skilled persons can also operate this machine.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Arduino Mega | Equipment | 1 | 2000 | 2000 |
| Relays | Equipment | 2 | 500 | 1000 |
| Camera | Equipment | 1 | 5000 | 5000 |
| Ultrasonic Sensors | Equipment | 2 | 250 | 500 |
| Gyroscope Sensor | Equipment | 1 | 500 | 500 |
| IR Sensor | Equipment | 1 | 150 | 150 |
| Batteries | Equipment | 2 | 9000 | 18000 |
| DC Gear Motors | Equipment | 4 | 1800 | 7200 |
| Blade Motor | Equipment | 1 | 620 | 620 |
| Motor Drivers | Equipment | 3 | 300 | 900 |
| LCD Display | Equipment | 1 | 750 | 750 |
| Set of Wheels | Equipment | 2 | 1250 | 2500 |
| Printed Circuit Board | Equipment | 1 | 500 | 500 |
| Jumper Wires | Equipment | 50 | 10 | 500 |
| Set of Push Buttons | Equipment | 1 | 5000 | 5000 |
| Grass Collector | Equipment | 1 | 8000 | 8000 |
| Outer Body Hardware | Equipment | 2 | 4000 | 8000 |
| Printing | Miscellaneous | 19 | 500 | 9500 |
| FYP Poster | Miscellaneous | 1 | 500 | 500 |
| Total in (Rs) | 71120 |
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