PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...
Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...
Abstract: This research was conducted at the industrial manufacturing company in the manufacture of automotive components. The company made cost savings by replacing preheating machine and ...
Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...
Operating voltage: 3.3V .. 4.5V max Low current by power down: max 1uA I2C bus interface: max 400kHz Ambience light: ...
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