sensors

Plan CO2: Making A Public Display

Plan CO2: Making A Public Display

When I saw the big emoji (old school – smiley) on Carter Nelson’s RGB Matrix Portal Room CO2 Monitor project on Adafruit, I knew he was on to something. I wished that I would begin seeing more such displays in places like restaurants and shops, not to mention school classrooms, offices and makerspaces in the coming months. In Carter’s Adafruit project, the CO2 monitoring device presents a concise public-health message.

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Stephan and Odessa Schulz at a workbench

Plan CO2: Montreal Dad Makes a CO2 Monitor for His Daughter’s Classroom

A device that measures CO2 can be built and deployed in indoor spaces such as classrooms to monitor ventilation in the room and warn if levels of CO2 are rising.

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Design and Construct Your Own Tiny Actuators

Design and Construct Your Own Tiny Actuators

Sean Hodgins takes a few moments to show a great example on how to make your own actuators.

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