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R e m o t e C o n t r o l L a w n M o w e r

R e m o t e C o n t r o l L a w n M o w e r Department of Electrical Engineering, University of New Hampshire. U N H. U N H. Advisor: Wayne J. Smith Team Members: Hajrush Aliu, Neeraj Gill. Introduction:

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R e m o t e C o n t r o l L a w n M o w e r

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  1. R e m o t e C o n t r o l L a w n M o w e r Department of Electrical Engineering, University of New Hampshire U N H U N H Advisor:Wayne J. Smith Team Members: Hajrush Aliu, Neeraj Gill Introduction: The purpose of this project was to design and built a remote controlled lawn mower. This would be beneficial because man power is not required in mowing the lawn on those hot summer days, where you would prefer not to be out in the sun. The remote will allow the user to control the speed and direction of the lawn mower by moving the joy sticks. For safety purposes, the engine of the lawn mower can be turned off via remote and also turns off automatically when there is a loss of signal. Design Specifications In this project a battery will be used to power the dc motors, which will turn the gears and cause the wheels to turn with greater torque then what the dc motor can produce. The steering of the lawn mower will be done in a skid steer fashion by having the wheels turn in the opposite direction causing the lawn mower to turn either left or right, with the help of swivel wheels in the front. An Arduino microcontroller is used to interface the receiver with the electrical components. • Components Description • RC Remote & Receiver– Interfaces the user to the lawn mower. • H-Bridge - Circuit that controls the speed and direction of the DC motors. • Arduino Microcontroller – Takes commands from the receiver and executes them on various components. • Relay – Shuts down the lawn mower when there is a loss of signal or from the remote. • 12 Volt Fan – used to cool down the electrical components in the H-Bridges. • 12 Volts DC Motor – Turns the wheel s through gears. Flow Chart • Special Thanks: • Wayne J. Smith • Blake Brown Designed H-Bridge circuit Electrical Component Block Diagram Drive &Control System

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