Introduction - If you have any usage issues, please Google them yourself
1. Arm7 chip 2148 drives large LCD
2. Liquid crystal drive of ym320240
3. I2c communication at24c256
4. Display of various characters -1, arm7 chip liquid crystal 2148 driver 2, ym320240 LCD driver 3, I2c communications at24c2564, various characters in the display