Power peripherals

Projects & Details

Voltage Regulator

• Develop basic voltage regulator that limits voltage and current to XO
• Redesign voltage regulator to produce variable outputs
• Redesign version 2 of regular to all it to charge multiple XOs
• Possible mechanical design of voltage regulator housing (need to evaluate later)
• Thermal analysis of regulator (need to evaluate later)

Bicycle Powered Generator

• Review of literature
• Development of bicycle powered generator design
• Building generator

Power Deployment Guide

• Summarize wiki information and commentary on OLPC mailing lists related to power
• Put information in easy-to-read guide on power deployment options
• Make guide widely available

Solar Setup Testing

• Develop testing methodologies for evaluating a XO solar setup
• Testing solar setup & publish findings

Thermoelectric Power Generation

• Explore potential for using thermoelectrics for powering XOs

Milestones

• Basic voltage regulator built (6/25- DONE)
• Variable voltage regulator built (7/7)
• Design of Bicycle Generator (7/15)
• Voltage regulator for charging multiple XOs (7/18)
• Revisit milestone schedule (7/18)
• Testing plan for solar testing (7/18)
• Acquire materials for bicycle generator (7/22)
• Draft Deployment Guide (7/25)
• Bicycle Generator built (7/31)
• Visit to Factor E Farm for testing solar setup and bicycle generator (8/1)
• Generator documentation (8/8)
• Final Deployment guide (8/15)
• Final solar testing data report (8/15)

Possible Additional Deliverables

• Exploratory report on additional ways to store charge
• Prototype and documentation of a simple bicycle generator
• Documentation on the possibility of using a thermoelectric generator

To Do

June 13: Have a simple voltage regulator limited to 1A built for grassroots conference