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It seems the same is true for [James Bruton]’s impressive Sonic ... robot are actuated using a pair of motors with ball screws, which are not back drivable. This means that external sensors ...
Inside [Klaus]’ device is an Arduino Uno, an HC-SR04 ultrasonic distance sensor, and an Adafruit Wave Shield. Originally, this parking/distance sensor used a small TFT to display the distance to ...