Ramrod IV

1
Ramrod IV

• Micromouse 396

2
The Team

• Andrew Igarashi Programming
• Kevin Li Hardware
• Amy Maruyama Hardware
• Stephen Nakamura Hardware
• Quang Ngu Programming

3
Project Overview

• To design a fully autonomous robot, a
  mouse, that can move through a maze, know where
  in the maze it is, and find the center

4
System
Software
Hardware
Decide Direction
Read Walls
Move
Sensors
Motor
5
Basic Chassis

• Fiber Glass frame
• 2 Sliders
• 2 Wheels
• 10 Batteries

6
Hardware Module
Move
Motor
Sensors
Motor Driver Chips
ADC Converter
Rabbit
7
Switch
Rabbit
Motor Driver Circuit
5 Volt Regulator/ Heat Sink
ADC Converter
Sensors
Batteries
Wheels
8
Sensor

• Sensor
• Distance judgment (analog signal)
• -0.3 V to 0.3V

Sensor
light

• ADC Converter
• Converts analog into digital
• -8 bit digital Signal

ADC Converter
Rabbit
Rabbit - Information to software
9
How a Side Senor Works
Light Emitter
Light Detector
10
Sensor Placement
Sensor 3
Sensor 1
Sensor 2
1.25 in
1.25 in
11
Motor

• Rabbit
• -One clock to each chip
• Counter Clockwise or Clockwise
• -Full or half step

Rabbit
Motor Driver Chips
Motor
Motor Driver Chips -High current outputs for the
motor coil
Motor -Wheels Move
12
Potential Hardware Problems

• Debugging our circuit board !!
• Attaching components to the board in a compact
  manner

13
Current Task

• Fixing Problems
• Working on our Code
• Designing our mouse to be more compact

14
Schedule
15
Questions ?