ESP12E-Meteostation-v1.0

Meteostation with ESP12E (NodeMCU) and Si7021 (temperature and humidity sensor)

PCB is designed in eagle
The platic box is KM-27

FLASHING:
1.) Choose NodeMCU v1.0 (ESP12E Module) in Tools -> Board
for NodeMCU board:
2.) Upload the code
for PCB with ESP12E:
2.) Press the Reset button and Flash button together and hold it
3.) Click to Upload the code in Arduino IDE
4.) In the moment when the console shows Uploading leave the Reset button, then the code will be uploaded

websites:
CZ http://chiptron.petus.cz/articles.php?article_id=93
EN http://time4ee.com/articles.php?article_id=33