Atomic Pi Experiments Links Official pages https://digital-loggers.com/api.html http://www.digital-loggers.com/api_faqs.html Unofficial BIOS images http://ehxz.tk/apibios I2C/SPI over the Atomic Pi GPIO - also see apug.pdf https://github.com/digitalloggers/i2c-gpio-custom https://github.com/digitalloggers/spi-gpio-custom