Software for CO2 Monitor

Usage

mkdir build
cd build
cmake ..
make

cd ../graph/
make graph.rrd
./update_graph.sh >/dev/null &
xdg-open index.html &
./update_data.sh

D-Bus Monitor

dbus-monitor "type='signal',interface='io.github.dmage.CO2Mon',member='NewValue'"

D-Bus Methods

dbus-send --session --dest=io.github.dmage.CO2Mon --type=method_call --print-reply /io/github/dmage/CO2Mon io.github.dmage.CO2Mon.GetTemperature
dbus-send --session --dest=io.github.dmage.CO2Mon --type=method_call --print-reply /io/github/dmage/CO2Mon io.github.dmage.CO2Mon.GetCO2

See also

• ZyAura ZG01C Module Manual
• RevSpace CO2 Meter Hacking
• Photos of the device and the circuit board
• Pre-alpha of GNOME Shell Extension