esp8266-co2-logger Hardware ESP8266 MHZ-19B Prerequisites python2 cd arduino-esp8266/tools && python2 get.py && cd ../../ Build BUILD_EXTRA_FLAGS='\ -D SSID_NAME=\"<SSID_NAME>\" \ -D SSID_PASS=\"<SSID_PASS>\" \ -D LOGZIO_TOKEN=\"<LOGZIO_TOKEN>\"' \ ./espmake