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3053 Results for "air quality"

  • Use cases
  • Log     from Iota: Internet of things for all
  • So what can you do with Iota?Iota is a simple framework that is flexible enough to cover many different uses.Home automationPerhaps the most obvious use case is to automate your home.Create rules based on the time, the light levels, temperature, humidity...

  • Bosch BME680
  • Log     from Portable environmental monitor
  • The BME680 is an integrated environmental sensor developed specifically for mobile applications and wearables, where size and low power consumption are key requirements (source). While not yet available on the market, several BME680 samples have been...

  • Working fast
  • Log     from 2022 HDP 3 - Hack it Back
  • From the very beginning, the concept revolved around having as much air available for the CO2 sensor to do its job. The first iterations for the node had a towered design with a steel mesh covering almost 360 degrees. I liked this design, but it proved...

  • Quick Update
  • Log     from Scalable Silent Air Compressor
  • I just finished the multi fridge compressor unit and did some testing with it. (I built a unit made of 8 fridge compressors that I converted to air compressors) The airflow is pretty high and I think it will do its job pretty well. I will add another...

  • Air valves
  • Log     from Biotop
  • Air valves must be fitted in the two closing lids of the mini-biotopes, which allow inhalation via the biotopes but prevent exhalation. Exhalation takes place via corresponding valves integrated into the diving mask. I use a valve that can be found in...

  • Sensor Mania!
  • Log     from analog.io - A full stack IoT platform
  • One of my main sources of inspiration for creating IoT projects is to simply look at all of the various sensors that are out there and dream up uses for them. There are so many great places to purchase them including Sparkfun, Adafruit, Tindie and eBay....

  • Recent stuff
  • Log     from My project site activities/misc projects
  • My STM8 LED clock project is also hosted here on HaD.io  My timer was also updated with the latest features from the clock project.  i.e. all the latest goodies such as NCO tolerance trimming, Daylight saving time and as...

  • Elekslaser A3 Pro Arrives
  • Log     from Thrifty Pick and Place
  • The framework for the project finally turned up in the mail, trade war notwithstanding. I'm not going to do a full unboxing/review on this as there are dozens already on the web. However I will make some comments based on my unit and how it differs or...

  • Tiny upgrades
  • Log     from Kossel 3D printer upgrade project
  • The dangling power cable for the hotend and the fan is now fixed again with this model (cable holder from thingiverse - my make of it), which is much sturdier than the one before. I am sorely dissatisfied with the (optical) print quality but for...

  • Architecture and issues
  • Log     from RF spectrum analyzer 3GHz
  • The design is most likely overcomplicated, considering availability of off-the-shelf components which can replace most of the work. My goal is to learn play with RF, practical usability of the project is not a major concern.The architecture in a few...

  • Air Plugs
  • Log     from Solar filament drier
  • Burned $60 or twice the cost of a roll of TPU to get this started, not counting spare parts.  The AHT20 sensors have a single fixed address which requires 2 I2C busses.  We thus have 5 required pins: 1 MOSFET push pull, 4 I2C open drain. ...
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