## ssd1306 res: 128x32 iface: i2c u: 3v pins: 1. VCC => 1 2. GND => 9 3. SCK => 3 4. SDA => 5 ## MT-12864A [Doc](https://www.melt.com.ru/docs/MT-12864A.pdf) res: 128x64 u: 3v pins: 1. GND => 9 2. UCC => 17 3. U0 -W 4. A0 => 7 5. R/W => 11 6. E => 13 7. DB0 => 15 8. DB1 => 19 9. DB2 => 21 10. DB3 => 23 11. DB4 => 27 12. DB5 => (29 does not work) => 13. DB6 => 31 14. DB7 => 33 15. E1 => 35 16. E2 => 37 17. RES => 40 18. Uee => rheostat => U0 (contrast settings) 19. A (light+) ?? 20. K (light-) ??