Seeing as Arduino is good for controlling motors and sensors, Randy added a PING ultrasonic sensor to the front of the vehicle too.

[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus ...

Arduino-powered obstacle-avoidance cars made by learners at Karare AIC CDC school in Marsabit./STEPHEN ASTARIKOA quiet transformation is unfolding at Karare AIC CDC Primary School in Marsabit.In a ...

With a standard old HC-SR04 ultrasonic sensor, an audio module and a servo to drive a custom gauge needle he’s made a device which can warn people around you if they’re too close for comfort.