The red wire, of course, is the positive and the orange wire right here at the bottom is the pwm control, which is pulse wave modulation. At the end, the brown wire at the top is the negative. It comes with the motor, which is this right here, and it comes with these plastic connectors that you can screw to the top, and you can customize this for whatever use case you may have for it. It is not high torque, its just your run of the mill plastic gear servo. So lets go ahead and take a look at the servo itself. This is my actually my first project working with one of these and im pretty excited about it. I am not an arduino expert or anything like that. You can do really anything you want with these project boards. They run a very simple programming language and they can be used for all kinds of stuff from just running, led lights or triggering servos, to triggering pretty much any kind of external hardware that you may have around. If you dont know anything about the arduino microcontrollers, these things are really awesome. It does also have another input for power right here, but i do not plan on using that for my particular use case. As long as you have 5 volts of power, then this thing will run. So you can power this thing with any 5 volt source you can plug it into any kind of 5 volt power supply that you have, or you can just plug it directly into a computer usb port. As you can see, the black risers here with all the pins really clearly marked, and one cool thing about the leonardo is that it has an onboard micro, usb port that can power the board. I chose this particular model because it has the headers already installed. So lets go and take a look at the arduino board itself. The brand is inland and its just the blue, 9g servo motor here. I got from micro center as you can see here for 10.99. I just personally kind of like to stick with the oem stuff and support the arduino community directly, the servo motor. Therefore, there are a lot of different manufacturers who make these boards. You can get these cheaper, though, because arduino is an open source hardware project. This is an authentic version and i got it from amazon for about 25 bucks.
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