my Room Environmental impact of the my Room

my. Room Environmental impact of the my. Room system April, 2008

my. Room Outline • Manufacture • PCB • Soldering • Normal use • Power consumption • Recycling/ Disposal April, 2008

my. Room Board Manufacture Normal use Advanced Circuits assures that the production of any unprocessed board meets the Ro. HS (Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment). Solder The Solder we used is not lead free; we would have to order a certain board to use lead free solder (melt temperature). Recycling April, 2008

my. Room Manufacture Parts • Vishay states: company is “committed to comply with the environmental laws and regulations” as far as their processes are concerned to not harm the environment Normal use • Freescale produces Ro. HS compliant products • Sharp -> no info on webpage • ID-Innovations -> no info on webpage Recycling April, 2008

my. Room Manufacture Power consumption Power of our system at most 3. 03 W Assumed it will be running all the time: Normal use (A month has on average 720 hours) E = 2. 181 k. Wh (on average) Recycling April, 2008

my. Room Manufacture Normal use Recycling Power consumption of my. Room vs. power consumption of household appliances Appliance Typical Wattage Estimated hours used per month TV 200 183 36. 6 Light 75 100 7. 5 VCR/DVD 21 12 2. 5 CD, Radio, … 250 30 15 Fan 400 71 28. 4 Sum 946 - 90 Estimated monthly k. Wh April, 2008

my. Room Manufacture Normal use Power consumption of my. Room vs. power consumption of household appliances Appliance Estimated hours saved Estimated k. Wh saved monthly TV 30 6 Light 15 1. 125 VCR/DVD 0 0 CD, Radio, … 10 5 Fan 10 4 Sum - 16. 125 Recycling April, 2008

my. Room Power consumption Manufacture Difference = 2. 181 k. Wh – 16. 125 k. Wh = -13. 944 k. Wh Normal use Comment: Even if it might be really different for some people, power consumption really low. Recycling April, 2008

my. Room Manufacture Reduce e-waste • Make the lifetime of the system as long as possible • Write a note in the User Manual that encourages the user to recycle the system when not in use any more (also label the packaging) Normal use • Sell the product a little more expansive and give money to the recycle company • Standardize the product (updates possible) Recycling April, 2008

my. Room References Cornhusker, “Operationg Costs of Household Appliances, ” [Online Document], 2002, [accessed April 8, 2008], http: //www. cornhusker-power. com/householdappliances. asp Wikipedia, “Restriction of Hazardous Substances Directive, ” [Online Document], 2008, [accessed April 8, 2008], http: //en. wikipedia. org/wiki/Restriction_of_Hazardous_Substances_Directive Advanced Circuits, “Ro. HS Compliance Printed Circuit Boards, ” [Online Document], 2007, [accessed April 8, 2008], http: //www. 4 pcb. com/index. php? load=content&page_id=17 April, 2008