This is a great little autonomous robot project using an arduino that can easily be completed in a short amount of time. We used a Modern Device RBBB (Really Bare Bones Board) as the brain of our robot. These RBBB kits are also great if you are new to soldering. Not a lot of parts, but just enough to get get some experience with.
The robot is powered with four AA batteries. The biggest cost expense with the project would be for the servos – (2) continuous rotation servos and (1) standard servo. For the eyes we used a Sharp IR Sensor.
The robot sweeps the ir range finder 130 degrees and records the closest object. Objects closer than 10 inches will cause the robot to take action. If this object is more than 45 degrees to the right or left it makes a small correction away from the object. If the object is within the center 90 degrees, it stops, looks left and right, finds the clearest direction and turns about 90 degrees to that direction.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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