![]() 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. Geared DC motors with leads (2), part #2260834.The following electronic components can be purchased from Jameco Electronics: If your robot falls apart, how do you think you could re-connect the pieces to make it stronger?.What is a breadboard, and what is it useful for?.Why is a battery required to make the motors spin?.If you are not careful, it could even cause some of the pieces to fall off! In this project, you will put your engineering skills to the test to see if you can design and build a sturdier dancing robot. There is just one problem-all that flipping and tumbling around can be pretty hard on the robot. You can learn how to use a breadboard in the Science Buddies reference How to Use a Breadboard for Electronics and Circuits. You can just pull the wires out if you make a mistake. Breadboards make it very easy for beginners to make circuits, because the wire connections are not permanent. In this project, you will use a breadboard (the green rectangular piece in Figure 1) to make it easier to connect the wires in your circuit. If you want to learn more about electricity, you can read the Electricity, Magnetism, & Electromagnetism Tutorial. ![]() Electricity cannot flow to the motor without a complete circuit. When you connect the motors to the battery, you complete an electrical circuit, which allows electricity to flow and make the motors spin. Electricity powers battery-operated devices that you use every day, like toys or television remotes, and also powers things that plug into wall outlets like lamps. ![]() In order to power the motors, the robot also needs a battery, which provides electricity to the motors. Each motor spins around when it is turned on, and has a popsicle stick attached to it as a "leg," which pushes the robot around when it moves. This is the second SpotMini version Boston Dynamics has shown to the public since 2016 – it’s been made a lot cuter with a new, bright yellow paint job.The robot uses two small motors in order to move. It’s quite unlike the group’s Atlas robot, a more humanoid machine that barreled around quite clumsily in a video from 2016. ![]() ![]() All these small abilities seem to reflect a pretty advanced autonomous system. A marked difference here is the almost-intelligent way the SpotMini deciphers the door’s location, zones in on the handle and, quite politely, holds the door while maintaining its balance. Past video clips show their other creations, like the BigDog made for the U.S military, performing simple tasks. The Boston Dynamics SpotMini can be seen opening the door with an extendable hydraulic arm and clamp in the short video. See into our cold, metallic, dead future by watching the above gif again and again. The robot dog we first saw stacking plates in a dishwasher has now graduated from its servitude to opening doors for itself and another robotic mate – excitingly, they’re probably now planning how this new skill fits into the destruction of the human race. ![]()
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