We don’t know if [Hanna Yatco] has a good sense of balance or not, but we do know her Arduino does. Her build uses the ubiquitous HC-SR04 SONAR sensor and a servo.

Specifications of the ultrasonic sonar distance sensor that can be used with Arduino, Raspberry Pi, CircuitPython and more include : – Power & Logic Voltage: DC 5V – Current during measurment ...

Japanese Ph.D. candidates built a portable sonar device with a 3D printer, an Arduino and a few sensors sean buckley Associate Editor Updated Tue, Dec 29, 2015 · 1 min read ...

The device turns out to be made of fairly simple items, including a MaxBotix MB7066 sonar sensor, an Arduino Pro Mini, and three small motors encased in silicone. The sensor is worn around the ...