Robotic Microphone Stand Team 19 Alex Lincoln Tyler Harrington Zach Newell

Introduction Motivation – Provide more efficient and accurate method for recording sound at Pogo Studios

Objective Create a wirelessly controlled robotic device capable of 10 movements Program device to recall stored locations

Design

Power Supply 11.1V 5Ah LiPo Battery o Wired into 5 motor drives (4 XY, 1 Z) o Delivers 3.2A when 4 motors running o Supplies 5V converter o Will deliver 3.2A for 1.5h or 1.6A for 3h 5V buck converter o Servo (tilt) o Vcc for motor drives and encoders o 3.3V Regulator – Supplies WiFly Module

Movements Design Forward/Reverse Right/Left Up/Down Tilt Pan Pittman 12VDC motor 343 oz-in servo motor Omnidirectional wheels Source: Source: 805bbmegaservodualballbearing320ozin16sec22x12x 24-1.aspx

Movements Requirements Vehicle shell Weight limitations Properly perform in all directions Traverse in straight line Spin on single axis for pan Tilt 180 degrees Source: Forces-Equation

Control

Encoders

iPad Application

Microcontroller Logic Run Loop Update Location Execute Opcode Present? NO YES

PCB Process Proto-board Testing PCB creation in Eagle PCB #1 PCB #2 Extensive Testing

Challenges Multidirectional movement Position recall Fried motor drives Safely powering down Dead battery Demo day

Final Product

Next Steps Regulate battery voltage to 11 V Build enclosure to eliminate shock hazards Add sensors to prevent collision Create a live video feed from device to Ipad app

Questions Source: