1. Madalina Vintila David Wilkinson Michelle Zhang Zac Greenawalt

2. Overview Accelerometer based character recognition device Battery powered pen Wall/battery powered base station Wireless communication betwixt pen and base L

3. Ethical Concerns Safety Failure of parts - overheating Damaged battery - leaking Broken wall-wart wire – electric shock Broken LCD - Hg Reliability “character recognition” can be misleading Single-stroke characters are not accurate Cannot be used on airplanes (MiWi communication)

4. Environmental Concerns Manufacturing and testing PCB manufacturing – energy and materials Batteries – chemicals Hardware components – hazardous metals Normal Use Li-Ion battery on base AA battery on pen (2000 mAh NiMh)

5. Environmental Concerns Disposal / Recycling PCB, hardware components are not biodegradable Packaging is made of plastic Batteries represent a hazard LCD – mercury can leak if broken

6. Questions?