![]() ![]() This is the nice thing about breadboards they make it very easy to fix mistakes when you are building a circuit. If you accidentally pushed a wire into the wrong hole, you can just pull it out and re-insert it into a different hole.If even one wire is disconnected, the motors will not spin. Remember, you need a complete circuit in order for the motors to work.If the motor does not spin, make sure you have the wires firmly pushed into the breadboard, and that they are arranged as shown in Figure 9.Just one of the motors (the one you connected to the breadboard) should start spinning. Use your other hand to turn the battery holder's switch to ON.Hold your robot carefully in one hand, so your fingers and arm will be out of the way of the popsicle sticks when they spin.Now it is time to test your first circuit.Connect the first motor's wires to the breadboard. Optional: Camera to take pictures of your robotįigure 9.Optional: Arts and crafts materials to decorate your robot (pipe cleaners, googly eyes, etc.).Other materials you could use to help attach parts of your robot together.You will also need the following tools and supplies: AA batteries (must be ordered in multiples of 4, but this project only requires 3), part #198707.3xAA battery holder with cover and switch, part #216144.Note that the motors are sold in a two-pack. ![]()
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