## ssd1306 res: 128x32 iface: i2c u: 3v pins (physical): 1. VCC => 1 2. GND => 9 3. SCK => 3 4. SDA => 5 ## MT-12864A [Documentation](https://www.melt.com.ru/docs/MT-12864A.pdf) res: 128x64 u: 3v pins(default - GPIO): 1. GND => 9(physical) 2. UCC => 17(physical) 3. U0 - 4. A0 => 18 5. R/W => 17 6. E => 27 7. DB0 =>22 8. DB1 => 10 9. DB2 => 9 10. DB3 => 11 11. DB4 => 12 12. DB5 => 16 13. DB6 => 20 14. DB7 => 13 15. E1 => 19 16. E2 => 26 17. RES => 21 18. Uee => rheostat => U0 (contrast settings) 19. A (light+) ?? 20. K (light-) ??