I2C bit banging, EEPROM communication - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums
GitHub - tobajer/i2cbitbang: The bit-banging version of i2c for STM32F4 with possibility to create many i2c ports (limited by GPIO number). It supports clock stretching and different speeds according to standards.
![avr - Bit-bang I2C implement on DS1307 and Atmega328P problem - Electrical Engineering Stack Exchange avr - Bit-bang I2C implement on DS1307 and Atmega328P problem - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/SQrWe.png)