|  | LCD Library 1.2.1 LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library. | 
| begin(uint8_t i2cAddr) | I2CIO | |
| digitalRead(uint8_t pin) | I2CIO | |
| digitalWrite(uint8_t pin, uint8_t level) | I2CIO | |
| I2CIO() | I2CIO | |
| pinMode(uint8_t pin, uint8_t dir) | I2CIO | |
| portMode(uint8_t dir) | I2CIO | |
| read(void) | I2CIO | |
| write(uint8_t value) | I2CIO | 
 1.7.4
 1.7.4