esp8266 stuff
quick and dirty hack
get temps and humidity from htu21d, show it on ssd1306 and send data to webserver
custom firware from http://frightanic.com/nodemcu-custom-build/
modules enabled :
- node
- file
- gpio
- wifi
- net
- i2c
- tmr
- uart
- bit
- u8g
fonts for u8g :
- font_6x10
- font_fub25
- font_chikita
