https://s3-us-west-2.amazonaws.com/secure.notion-static.com/f57abd3a-0b2f-4f15-9327-e6dffdc407d1/FxbzTfHNSk2UAvy1ihreEw.jfif
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A Big Display Made Up of Small LCD Displays
Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout
Custom Large Font for 16x2 LCDs
LCD used in 90 degrees (vertical) position?
byte full[] = {0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F};
byte half_right[] = {0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00};
byte half_left[] = {0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F};
byte corner_bottom_left[] = {0x01, 0x03, 0x07, 0x07, 0x0F, 0x0F, 0x1F, 0x1F};
byte corner_top_right[] = {0x1E, 0x1C, 0x18, 0x18, 0x10, 0x10, 0x00, 0x00};
byte corner_top_left[] = {0x10, 0x18, 0x1C, 0x1C, 0x1E, 0x1E, 0x1F, 0x1F};
byte corner_bottom_right[] = {0x0F, 0x07, 0x03, 0x03, 0x01, 0x01, 0x00, 0x00};
LCD Custom Character Generator