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The N.W.T. government is giving out these small air quality sensors to people in hopes of providing communities, and itself, with better air quality data. (Submitted by Imran Maqsood) The N.W.T ...
The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...
The Waterloo Region District School Board plans to start a pilot project to see if CO2 sensors would be useful for long-term use in local classrooms as a way to improve air quality.
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