Build weather station Placed on 2019-04-30 Is there nothing on the screen or is the text unclear? Rotate the blue potentiometer on the back of the LCD until it becomes clearer. The end result Previous page 3. Software Current Page 4. Result 1. Introduction 2. Hardware 3. Software 4. Result Posted by Melluh Website I am a software developer, but I am also very interested in electronics. Comments Male header 1x40 black 2.54mm - 5 pieces 16x2 Characters lcd module blue 5V Mean Well GS15E-1P1J adapter - 5V 2,4A Mean Well GS06E-1P1J adapter - 5V 1A I2C LCD interface module DC socket built-in 5.5 mm x 2.1 mm - 5 pieces