display-test/readme.md

ssd1306

res: 128x32 iface: i2c u: 3v pins:

1. VCC => 1
2. GND => 9
3. SCK => 3
4. SDA => 5

MT-12864A

Doc 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-) ??