AirMonitor (CO2, VOC)

# Introduction
This is a CO2/TVOC air quality monitor designed for keeping track of air quality indoors.

It is build on top of a TTGO T4 V1.3 board and uses a MH-Z19B and CCS811 sensor.

# Features
It features the following:

1. Real time graphs
2. Bluetooth support (app available)
3. TVOC measurement
4. CO2 measurement
5. Battery power

# Resources
The source code is available here:

Bluetooth app: https://github.com/wilyarti/AirMonitor
ESP32 firmware: https://github.com/wilyarti/dustMonitor

# App
The app is still being developed. You can install the APK from this link (Android only): https://github.com/wilyarti/AirMonitor/blob/master/AirMonitor.apk
# Build
Flash the following firmware to the device: https://github.com/wilyarti/dustMonitor/blob/master/firmware.bin

The pin out is as follows:

MH-Z19B:
- TX Pin 33
- RX Pin 35
VCC to 5v

CCS811:
- SDA Pin 19
- SCL Pin 26
- VCC to 3.3v