The first line of the LCD appears full and the text don't appear.
I use Wemos D1 R2 ESP8266 MicroPython to control it
I connect the SDA and SCL pin to D2/GPIO5 and D1/GPIO4, and connect the Vcc and GND to 5V and GND
The LCD when it's on: https://drive.google.com/file/d/1JMTymZ8tcnOHf3u5PIXR0GIlsDJhhf8A/view?usp=drivesdk
The MicroPython library i use: https://github.com/dhylands/python_lcd I ran the example project