hardware_examples.19 Examples for the use of the Iceberg Robots hardware of 2019 Includes Examples for the use of: 24C04 EEPROM 4kB I2C DS3231 RTC with Temperature-Sensor I2C LM35 Temperature-Sensor analog Output SRF-08 Ultrasonic-Sensor I2C MC23017 Pin-Expander I2C