Library for FRAM breakouts: - [x] I2C: [Adafruit I2C Non-Volatile FRAM Breakout - 256Kbit / 32KByte](https://www.adafruit.com/product/1895) - [ ] SPI: [Adafruit SPI Non-Volatile FRAM Breakout - 64Kbit / 8KByte](https://www.adafruit.com/product/1897)
