Indoor Air Quality Monitor With ESP32
CO2 Monitoring Sensor
Indoor Air Quality With Hornbill ESP32
Temperature in degree Celsius
Humidity in Percentage
Carbon Dioxide(CO2) equivalents in Parts per Million ppm
Total Volatile Organic Componds (TVOC) in Parts per Billion ppb
Volatile Organic Compounds (VOCs)
VOCs wiki
Do you know what a VOC is?
Hornbill Industrial Data Logger
Building a reliable and rugged Air Quality Logger with Hornbill ESP32 PART-1
www.crowdsupply.com/explore-embedded/hornbill
Creating a Smart Home with Blynk
www.Blynk.cc
CO2 Monitoring with K30 Sensor
www.instructables.com/howto/Indoor+Air+Quality
IoT Air Quality Sensor - MQ2 gas sensor + MQ9 gas sensor
Environment Air Quality Monitor instru
Air Quality Meter
Build an Arduino BLE-Enabled Indoor Air Quality Monitor
Gas Sensor(MQ2) - detecting H2, LPG, CH4, CO, Alcohol, Smoke or Propane
MQ3 - for detecting Alcohol, Benzine, CH4, Hexane, LPG, CO
MQ5 - for detecting H2, LPG, CH4, CO, Alcohol
MQ9 - for detecting LPG, CO, CH4
- Grove - Gas Sensor
- Grove - Gas Sensor(MQ2)
- Grove - Gas Sensor(MQ3)
- Grove - Gas Sensor(MQ5)
- Grove - Gas Sensor(MQ9)
- Grove - Gas Sensor(O₂)
| Sensor | Gas Type | Get One Now |
|---|---|---|
| MQ2 | Combustible Gas, Smoke |  |
| MQ3 | Alcohol Vapor | |
| MQ5 | LPG, Natural Gas, Town Gas | |
| MQ9 | Carbon Monoxide, Coal Gas, Liquefied Gas | |
https://www.seeedstudio.com/Grove-Air-quality-sensor-v1.3-p-2439.html
Indoor air quality monitor ESP8266 with sensors
Air quality monitoring IOT – Arduino & sensors connected to a Raspberry Pi - open-bigdata.com
| Sensors | |
| DSM501A Dust Sensor | 5 $ |
| IIC/I2C 1602 LCD Display Module | 3 $ |
| DHT22 Temperature & humidity | 3 $ |
| MB102 3.3v, 5v solderless power module for 6 components | 1 $ |
| MQ135 Quality Sensor Hazardous Gas Detection Module For Arduino | 1.5 $ |
Adventures in Air Quality Monitoring with Industrial IoT Sensors and California Government - valarm
https://seetheair.wordpress.com/2016/06/13/diy-iot-sensors-weather-air/
https://www.ibm.com/developerworks/library/iot-mqtt-nodemcu-monitor-air-quality/
Industrial IoT Applications - Remote Air Quality + CO2 Sensor Monitoring - instructables.com
https://blog.adafruit.com/2015/05/26/make-an-air-pollution-detector-with-arduino/
https://yticadu.appspot.com/iblefeed
https://www.youtube.com/watch?v=jdRsfYrWhFw
Weather Meter Hookup Guide
ESP32 Environment Sensor Shield Hookup Guide
Publish the CO2 concentration of an MH-Z19 sensor to Domoticz, Arduino code compatible ESP32 / ESP8266
Presentation of the CO2 sensor MH-Z19
US $18.70
https://diyprojects.io
senzory - czujnik gazu pl
https://www.ledats.pl/pl/294-czujnik-gazu
PoE Enbled Ethernet/TF Card Shield
Arduino Code for K-30 CO2 Sensor Works for S8 Sensor Too - co2meter.com
http://hosted.verticalresponse.com/450864/5e2f81c1fd/TEST/TEST/
TVOC and CO2 Measurement using Arduino and CCS811 Air Quality Sensor
Monitoring air quality with IAC-core c and ESP8266
Python on ESP32 for Industrial LoRaWAN Applications - www.hackster.io
IoT based Air Pollution Monitoring System using Arduino
Itead Sonoff TH 10A Smart WiFi Switch Time DIY Controller ... with Humidity Temperature sensor via phone
Tech Note 067 - Bosch BME680 Environmental Sensor. Air Quality, Temperature, Pressure and Humidity
Bosch Sensortec BME680 - mouser.com
Tech Note 080 - ESP32/ESP8266 Data Logging Webserver - YouTube
M5Stack ESP32 MPU9250 9Axies Motion Sensor Core Development Kit Extensible IoT Development Board
Air Quality Sensor Test Results with Raspberry Pi
Your water is safe, how about your air?
What are safe levels of CO and CO2 in rooms?CO2
250-350ppm Normal background concentration in outdoor ambient air
350-1,000ppm Concentrations typical of occupied indoor spaces with good air exchange
1,000-2,000ppm Complaints of drowsiness and poor air.
2,000-5,000 ppm Headaches, sleepiness and stagnant, stale, stuffy air. Poor concentration, loss of attention, increased heart rate and slight nausea may also be present.
5,000 ppm Workplace exposure limit (as 8-hour TWA) in most jurisdictions.
>40,000 ppm Exposure may lead to serious oxygen deprivation resulting in permanent brain damage, coma, even death
CO
9 ppm CO Max prolonged exposure (ASHRAE standard)
35 ppm CO Max exposure for 8 hour work day (OSHA)
800 ppm CO Death within 2 to 3 hours
12,800 ppm CO Death within 1 to 3 minutes
www.kane.co.uk/knowledge-centre/what-are-safe-levels-of-co-and-co2-in-rooms
Help
1btn: Open Source Wi-Fi Connected IoT Button
- Send an SMS to or from someone
- Function as a call button for a nurse, server, or help desk
- Send a reminder or confirmation, like when your kids get home from school
Volatile Organic Compounds (VOC)
Chemicals that emit gas are called VOC. Another common term, Total VOC (TVOC) is a combined variety of organic chemicals that emit gas. They are measured in micrograms per meter cubed (µg/m3) of air, parts per million (ppm), or parts per billion (ppb). Most buildings will have TVOC levels ranging from 100-500 µg/m3 (Aerias). Table 1, below, is used as a guide to compare TVOC results with its symptoms.
Table 1: TVOC and Symptoms
| TVOC | Symptoms |
| < 200 µg/m3 | No irritation or discomfort expected |
| 200 – 3,000 µg/m3 | Irritation and discomfort may be possible |
| 3,000 – 25,000 µg/m3 | Discomfort expected and headache possible |
| > 25,000 µg/m3 | Toxic range where other neurotoxic effects may occur |
Source from Aerias
Concentrations of many VOC are consistently (up to ten times) higher indoors than outdoors (US Environmental Protection Agency, 2010). Therefore, some VOC are regulated due to its short and long term affects on the health of humans. For example, the most common VOC is formaldehyde. On average, formaldehyde levels measured over a day in Canadian homes were 20-40 μg/m3 (16-32.5 ppb). Daily levels as high as 95 μg/m3 (77 ppb), however, have been recorded (Health Canada, 2009b). This chemical is strictly regulated by the Occupational Safety & Health Administration (OSHA) as it has been known to cause cancer. Table 2, below, lists a few common VOC along with the recommended exposure limit (REL) of the National Institute for Occupational Safety and Health (NIOSH), permissible exposure limit (PEL) of OSHA, identified symptoms if exposed to the chemical and some examples of products that contain the chemical...
critical-environment.com
- Grove - Temp&Humi Sensor(SHT31)
- Grove - Temperature Sensor
- Grove - Temperature Sensor V1.2
- Grove - Temperature&Humidity Sensor Pro
- Grove - Temperature&Humidity Sensor
- Grove - Temperature&Humidity Sensor (HDC1000)
- Grove - Temperature&Humidity Sensor (High-Accuracy &Mini) v1.0
Measurement accuracy of the MG-811
CCS811 stops working
vs sgp30
vs mh-z19
vs mq135
vs bme680
vs mg811
vs ...
Pollution monitoring node - Use Cases - The Things Network
#help
#co2
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