Measure temperature, humidity, atmospheric pressure, and CO2 concentration using Atom Lite. The measurements are pushed to Ambient IoT server. The data can be visualized and seen in the web app.

Prepare below devices and connect them to Atom Lite.

• ENV III sensor for temperature, humidity, and pressure measurement.
• TVOC/eCO2 sensor for CO2 measurement.
• HUB to expand single port into three.

Specify below configuration depending on your environment, then upload the program to your device.

// WiFi
#define WIFI_SSID "ssid"
#define WIFI_PASSWD "passwd"

// Measurement interval in second
#define INTERVAL 9
#define WINDOW 20

// Ambient
#define IS_USE_AMBIENT true
#define CHANNELID -1
#define WRITEKEY "writekey"