In this project we’ll combine an ultrasonic sensor with two DC motors and a servomotor to create a simple object-avoiding robot.
L293d motor shield
2 DC motors and wheels*
HC-SR04 ultrasonic sensor
9V AA battery pack
Robot base with fittings*
Tower Pro SG90 9g servomotor
Adafruit Motor Shield V1
* These items can be purchased as part of a kit
HOW IT WORKS
The key parts of the ultrasonic robot are the HC-SR04 ultrasonic sensor, L293d motor ...
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