Decluttering Mom on MSN
Could your air conditioner be creating a home security risk?
Most people think about air conditioning in terms of comfort and energy bills, not door locks and deadbolts. Yet the same unit that keeps a bedroom cool can quietly undo a lot of hard work spent ...
Abstract: A system for measuring optical proximity based on reflection of modulated light is presented. Its novel input stage topology comprising an ac coupled TIA and a two stage dc rejection circuit ...
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