3554 Results for "air quality"

Lower power with CCS811 at 50% duty cycle
Log from STM32L4 Sensor Tile
11/14/2017 I ran the latest experiment using the same Sensor Tile as I used in the previous log, so it doesn't have the low-power battery charger yet. I modified the sketch to put the CCS811 in idle mode for twenty minutes, and then run in Mode 3 (continuous...

Set up an external antenna
Instructions from Cell Phone 4G LTE Repeater / Booster / Femtocell
A good quality external antenna arrangement is absolutely essential and the best cable, fittings and antenna should be selected.The cable should be rated to 0.3 dB loss per metre or better and the antenna should be a Yagi type with performance of 6dB...

Raspberry Pi Adjustable Air Quality Detector
Details from Raspberry Pi Adjustable Air Quality Detector
Via Air Quality Module, you can control two servo motors attached to the mini pan-tilt kit by choosing one of the given angles - 0, 30, 45, 90, 135, 180 - and adjust the background light in RGB format - 255, 255, 255. And, most importantly, you can monitor...

AQI Quality Monitor v2.0 (PICO W) Webserver
Details from AQI Quality Monitor v2.0 (PICO W) Webserver
"Hello everyone! we will explore an interesting technique for programming on the PICO " board that allows it to function as a simple HTTP web server! The Raspberry Pi PICO board is a small yet powerful board, making it suitable for applications that...

AeRate: live air quality map for a small city
Details from AeRate: live air quality map for a small city
We are building an end-to-end solution for monitoring air quality in Magurele, Romania, in order to make this information publicly available to anyone with a web browser. A secondary goal is to use this as a learning opportunity for students, involving...

Crowdfunding - 25% in less than a day!
Log from uRADMonitor A3
"With 800 units deployed worldwide, the A3 is probably the best uRADMonitor product, with a plenitude of advanced sensors and built-in Internet connectivity to monitor your location 24/7. We're grateful for all the support we received so far, this includes...

Connected Pool Monitor
Details from Connected Pool Monitor
The Problem Knowing the chemistry of the water in a pool is vital to having clean and clear water. The pH of the pool water can tell you if you are having water quality issues. Adding a chemical like chlorine helps keep the water clean. In order to...

First 10 units go for #SmartCity
Log from uRADMonitor A3
The first 10 units were assembled, tested and shipped for a first #smartcity #uradmonitor implementation. I'm happy about the way I came out with the aluminium enclosure, the end plates were designed to fit inside the main body, improving the overall...

Sensei32-WiFi_Air_Quality Station is here!
Log from Sensei32
The WiFi Air Quality Station firmware acquires 12 measures every hour (one measure every 5minutes, 300s) from the integrated Texas Instruments HDC1080 Temperature and Humidity sensor and the integrated Bosh BME688 Temperature, Humidity, Presssure and...

Knock Knock - User interface part two
Log from LoRaLamp AIRQuality
I wa searching the other day for a different AIR Quality Sensor on Aliexpress. And Lucky me: I came across a different Sensor for the User Interface. Thsi should be an addtional sensor to the rotary knob I was thinking if I could extend my user experience...

Time for Schematic Design
Log from LoRaLamp AIRQuality
So fiannaly after all the component choosing it is the time for a schematic. In the past I used KiCad in several other designs. Ist is easy to use and why not use it as well on this design?In the past I was often searching on my schematics for connections....

Indoor air pollution reduction
Details from Indoor air pollution reduction
Although the problem of particulate air pollution, especially PM2.5, is most devastating in China, it is often at hazardous levels throughout Asia including my own home here in Japan. It causes countless heath issues, some fatal. The most common solution...

Photos & Brightness Booster Enabled
Log from Hoverlay II
Lots of cool stuff happened recently at the makerspace. For the first, one of our members volunteered to take professional photographs of the Hoverlay II and its internals. After one afternoon of incredibly focussed work on illumination and setup he...

Interesting Data.
Log from When should I replace my A/C air filter?
Lets see some cool things!Here is a graph showing the inside (on the "filtered" side) and outside (the house interior). This is the air quality sensor in Ohms. Remember, that higher numbers are better quality.A few things to noteThe normally high...

CAD for HAD
Log from PASS: Pollution Analytics Shared Socially
I drew something up in SolidWorks to get an idea of the outer shell. Right now I am thinking of a layer cylindrical shingle design. This would allow the enclosure to shed water, but would allow air interchangeability for the air quality sensors.I added...

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