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own sensors and devices

Timurufa 20 Mar 2015, 02:31 last edited by

Hi, firends!!
I constructed a recuperator, automated control by means of nano (it completely works independently (taking temperature, efficiency, regulates speeds of influx and outflow)) but it has three operation modes: Auto Manual Is also switched off!
The task following as to me to read out temperature from sensors (4 pieces) to switch the modes, and to read out different statuses (on and off) of units. I should connect it to the principal controler on means of mysensor library nRF24 (whether it is possible to create in this library the device (same as the dimer or the sensor of a rain or light))
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General Discussion • 23 Mar 2014, 21:38 • ToSa 1 Mar 2015, 11:21

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I would really like to get OTA working here as it's freezing outside and I have to go there to update the software in the greenhouse control system. So please, can we have a 'how to' step-by-step guide to OTA? Please? S.
Sensors and more
Hardware • 19 Jun 2023, 00:41 • Robert Leverett 19 Jun 2023, 00:41

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Hardware • 20 Feb 2018, 13:24 • fishermans 5 Feb 2024, 18:30

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Just wanted to say thanks for this, it is still relevant and useful six years later !
Best VOC sensor for detecting a wide range of VOC's?
Hardware • 26 Oct 2023, 23:59 • NeverDie 18 Nov 2023, 01:41

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@eiten I haven't yet made any progress on finding a good VOC sensor, but along the way I did find out something interesting regarding CO2: namely, if you sleep with your bedroom door closed at night, then the odds are good that the CO2 levels rise to surprisingly high and unhealthy levels. The better CO2 sensors are factory calibrated and never again need recalibration for the life of the sensor (usually around 10 years or so), because they are used in HVAC systems to control fresh air intake to guarantee indoor air quality. As a for instance, here is one such CO2 sensor: https://www.digikey.com/en/products/detail/senseair/006-0-0008/15790694 At around $50 for just the sensor element itself, it's not exactly cheap, but then again, I'd say it's worth it, because who wants to be burdened by remembering to calibrate their CO2 sensors? Ideally, I'd like to find a sensitive VOC sensor that also will never require calibration. Nearly all, and maybe all, of the off-the-shelf IAQ montoring stuff that you might buy for, say, $300 or less seems to require periodic calibration. For that reason, this might be one of those occasions where build is rather than buy.
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Hardware • 21 Jan 2025, 06:36 • Hellmark 25 Feb 2025, 20:56

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There are air quality monitors that can detect VOCs (volatile organic compounds), and some that claim to pick up marijuana smoke specifically. Devices like the Airthings Wave Plus, uHoo Air Sensor, or Plume Labs Flow could help identify changes in air quality. Another option is checking with industrial-grade smoke detection companies that provide sensors for businesses and schools, and some of them may also have solutions suited for home use. If you want more information on vape-related products, including how they work and their components, check out Geek Bar Pulse X Platinum Edition. Understanding vape devices can help recognize patterns of use or detect scents earlier.
Arduino Nano Every problem
Hardware • 1 Feb 2020, 09:18 • hakha4 5 Dec 2023, 02:21

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I bought the Every because it implied it was backward compatible with the nano. No, it's not, as we found out. Be that as it may, any word on a getting the Every working with mySensors?

own sensors and devices

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own sensors and devices

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Over the air updates General Discussion • 23 Mar 2014, 21:38 • ToSa 1 Mar 2015, 11:21

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