Responsive and Accurate Micro-USB Laser Dust sensor for air quality monitoring with Raspi or laptop - python3 driverDesigned by The Sensor Emporium, Ships from United States of America
This seller is on vacation. Please return after July 31, 2019 to purchase this awesome product!
I managed to snag a real job doing some pretty cool stuff. When that slows down or the timer expires here, I'll see if this should go away. Responses from me will be s l o w.
What is it? This is a Laser Particle detector and density sensor with USB interface. Micro-particulates are hazardous in general and can be a trigger for chronic conditions like asthma. Local part...Read More…
This is a Laser Particle detector and density sensor with USB interface. Micro-particulates are hazardous in general and can be a trigger for chronic conditions like asthma. Local particulate pollution readings are usually difficult to obtain with very few monitoring stations conveniently placed where you happen to be breathing the air. This device can easily detect and measure invisible sensing targets like second-hand smoke or fine diesel particulates that can be troublesome irritants to anyone with sensitive lungs. The IARC and WHO designate airborne particulates a Group 1 carcinogen. More information on Particulates
In October 2017, we had firestorms that pumped harmful particulates into the air - my home was in the plume, with large embers falling to the ground. We knew the air outside was bad, but had no way to determine if the indoor air was much better. How do you measure the particulates present in the air or in your own home? How can you verify the expensive HEPA filter is functioning? I built this as a new sensor option for Mycodo, my favorite sensor platform. The sensor is fully implemented with control of the sampling fan.
You can be up and running with graphic output and relay control on Raspberry Pi in a very short time with Mycodo.
The USB interface allows optimal placement - right where you want to take measurements. I provide a python3 driver that has been tested with Raspberry Pi and OSx High Sierra. I also provide a python function library that allows control of the fan ( on/off ) and the operating mode. Power consumption drops dramatically when the fan is turned off - but then you cannot take readings. After power up - the sensor outputs readings about 10 times a second. The simple driver parses these readings for display.
PM1 level: 82 PM2.5 level: 101 PM10 level: 115 PM1 level: 83 PM2.5 level: 102 PM10 level: 116 PM1 level: 83 PM2.5 level: 102 PM10 level: 117 PM1 level: 83 PM2.5 level: 102 PM10 level: 117 PM1 level: 83 PM2.5 level: 102 PM10 level: 117 PM1 level: 83 PM2.5 level: 102 PM10 level: 117 PM1 level: 83 PM2.5 level: 102 PM10 level: 117 PM1 level: 83 PM2.5 level: 102 PM10 level: 117
I have left the other connections to the PWM and analog output and other functions available, enclosed in shrink tubing. This sensor has been fully integrated into Mycodo
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I have long been interested in sensors and sensor technology. Sensors have become quite sophisticated and accurate - you can build your own instrumentation if you can interface to the sensing element. Many sensors perform onboard signal analysis and data reduction - allowing the designer to focus on features and user interface.
Most if not all of the sensors I offer here are supported by the Mycodo project: https://github.com/kizniche/Mycodo