CO2 Monitoring As an Anti-Covid19 Measure #ShowAndTell #Feather #COVID19

Pierre Carles demonstrates a portable CO2 monitor which can provide an air quality measurement, perhaps an environment which may indicate that the COVID-19 virus can to lurk in.

In this tutorial, we try to address an issue that is both simple and very complex: the efficient ventilation of closed spaces occupied by people. SARS-CoV2, the virus responsible for Covid19, is considered to be an airborne virus, spreading (among other ways) through respiratory aerosols (microscopic droplets that are expired as a normal byproduct of respiration). Outdoor or in largely open spaces, the best mitigating strategy against aerial contamination remains distancing: maintaining a distance of one to two meters between people is considered to be an easy way to safeguard against virus exchange through aerosols.

By contrast, in closed spaces, respiratory aerosols have been shown to travel over large distances and to diffuse uniformly in whole rooms when given enough time. Under such circumstances, distancing loses part of its efficiency, and the breathable air in the whole room is at risk of becoming a contamination vector.

Supplies:

• Gravity NDIR CO2 Sensor (SEN0219)
• Adafruit Feather 328P or any similar Arduino-compatible microcontroller ( Feather M0, M4, 32u4, …)
• Adafruit Featherwing Adalogger or any separate SPI SD Card and I2C RTC boards
• Adafruit Featherwing OLED 128×32 or any I2C-addressable OLED screen
• Stacking Headers and Male Headers
• Micro-SD Card
• 5 mm RGB LED (common cathode type)
• 120 Ohms resistor
• USB Power Bank (of 1500 mAh capacity or more)
• Short USB A – Micro-USB Cable
• CR1220 Battery

See the full build in the Instructables guide here.

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