Hi Pouria,Please go through | Microcontroller › AVR › Need help for I2C/TWI article of engineers garage › Hi Pouria,Please go through July 26, 2013 at 4:47 am #10206 AJISH ALFREDParticipant Hi Pouria, Please go through the project in the following link. It has got Mster and Slave code written for ATMEGA32. engineersgarage.com/embedded/avr-microcontroller-projects/atmega32-twi-two-wire-interface
