Oxygen level sensor for room

Other Hardware Sensors
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Hi folks!
I have teensy 3.0 device which I want to use for some projects.
I'm living in Asia, currently in Thailand, Bangkok.
Its pretty hot and dry, so I need to measure oxygen level in my room using some sensor and teensy board.
Basically I need to find sensor and make it work with teensy board...

Any recommendations are highly appreciated!

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So, what have you done to first find your sensor. After finding, then you can begin to make it work.

1 Like
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A Google search finds this:

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Unless you have no ventilation, as it’s dry , the Oxygen level won’t change . Humidity will affect it , heat doesn’t .

If you’ve a ventilation problem , might be better to measure CO2 ????

What is the issue you want to fix ?

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hammy,
Yes, there is humidity change in range 40-80, based on outdoor weather and my AC usage
yes, probably I want to measure both CO2 and O2

groundFungus, yes, i searched for that too, but that one looks quite expensive

Paul_KD7HB, that's a good question, I ve searched local online stores (lazada/shopee), aliexpress, ebay
looking for something less then 50$, best in 10-20$ price range, which gonna work with my teensy board

I feel sick sometimes (I'm European living in Tropics) and I believe it caused by low oxygen level, which differs from time to time...
need to measure it

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O2 will be proportional to CO2. Just saying.

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For CO2 level measurement, you can use MQ-135. It can also be used to calculate AQI for IoT and smart irrigation projects.

For oxygen, you can choose from Gravity: I2C Oxygen Sensor or OOM202 Oxygen Sensor.

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