At the Linaro Connect, Sahaj Sarup, Applications Engineer at 96Boards, based on the IoT Edition Carbon Development Board powered by the STMicroelectronics STM32F401RE ARM Cortex-M4 running Zephyr. There are 6 ultrasonic sensors preventing it from bumping into things, 4 IR sensors preventing it from falling down, there are LED's also representing the distance to the objects on each side of the self-driving rover.