Here's how the 1602 character display work. Its i2c driver allows to connect it easier way.
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Introduction - 0:00
Connection - 0:40
Library - 1:20
Printing text - 3:50
Custom characters - 6:20
More text - 9:15
LCD without I2C - 10:19
Summary - 13:22
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Music:
Song: Fredji - Happy Life (Vlog No Copyright Music)
Music provided by Vlog No Copyright Music.
Video Link: • Fredji - Happy Life (Vlog No Copyright Music)