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Workspace Health Monitoring Gadget

View this project on CADLAB.io.

Workspace Health Monitoring Gadget

Goal

An open-source device that can monitor 8+ key environmental factors that affect people's perception of a healthy and productive workspace:
  • Temperature
  • Pressure
  • eCO2
  • Humidity
  • Brightness
  • Noise
  • TVOC
  • PM 2.5um

Code and hardware is a prototype, no guarentee of any sort is implied. Use at your own risk.

Functionality

  1. 1.
    Monitor 8 environmental factors
    1. 1.
      Central processing of all sensor data
  2. 2.
    Record the telemetry locally
    1. 1.
      24-hour rolling log
    2. 2.
      Store on microSD card
  3. 3.
    Display the telemetry locally
    1. 1.
      Display new data point every 3 seconds
  4. 4.
    Transmit telemetry to web-based cloud service
    1. 1.
      Send latest sensor readings every 10 minutes

Bill of Materials

Supplier
Product ID
Quantity
Description
Unit Price
Function
Mouser
782-ABX00023
1
MKR1010
$32.10
Processing and Comms
Mouser
782-ASX00011
1
MKR ENV Shield
$34.40
Temp, UVA/UVB/UV Index, Humidity, Pressure, Lux
Adafruit
3709
1
SGP30 Air Quality Sensor Breakout
$19.95
VOC, eCO2
Adafruit
4632
1
PMSA003I Air Quality Breakout
$44.95
Particulate Matter
Adafruit
421
1
I2S MEMS Microphone Breakout SPH0645LM4H
$6.95
Noise
Get the PCB from OSHPark: https://oshpark.com/shared_projects/NU4I8Xzd​