A Robotic Lawnmower

    Goal

        Requirements

        Initial Experiments

            Blades

            The Cutting Motor

            Blade Height

    Chassis and Blade Height Revisited

        Wheels revisited

            Mower Locomotion Speed

    Bump Switches

Hardware

    Pinout resources

    Digital hardware

    Interconnections

    Driver Relays

Battery Considerations

    Lead Acid Battery

    NiMH Battery

    Power Distribution

    Power Switch and Charger

Construction

    Driving Motors

    Castor

    Cutting Motor

    Battery Mounting

    Microcontroller stack

    Relay and Distribution Boards

    Weatherproofing

Software

        Battery Monitoring

Test Runs

    Back to the Lab

    Test Run #2

    Battery Voltage Monitoring and Charging

    Painting

    The Eyes

    Test Runs

    Modifications to the Cutting Motor

            Blades Revisited (again)

        Rewiring

    Battery Charging

    Test Runs with new Cutting Motor

        Blades Revisited (Yet Again)

        Foot Bumper Revisited

    Software Updates

Results

    Just one more thing....November 2013

    Locomotion Revisited

        New Locomotion Motors

    Lawna RIP

Graveyard Information

        Battery Voltage Monitoring

        Construction

        Testing

Thoughts

        Fixing the arduino problem

        Solar panel

    Power Switch and Charger

        Battery Considerations

        Battery Monitoring

    NiMH charging considerations