![]() You can use the photos above in case you need help wiring the servos. Use a solder-less breadboard to distribute power from the arduino (5v pin and gnd pin) to power and ground all the servos along with the joysticks. Connect your Base arm lifting motors to pins 5 and 10, connect the Forearm lifting servo to pin 9, connect the claw servo to pin 6, and finally the horizontal rotation servo to pin 11. Use the photo above to wire both your joysticks. Once you've uploaded the Arduino, it's time to wire it. Do the same with connecting the Joysticks, power them and connect them to the signal input you chose. ![]() Once you have the program ready it's time for the electronics, this part will be split into two parts depending on whether or not you did it yourself or downloaded the program.Ĭonnect your servo signal wires to the assigned outputs you have chosen, and power and ground using a solder-less breadboard to distribute power to all 5 servos. ![]() If you don't know how to or don't want to, you can also download the program from here directly and get set up much faster. The only instructions you really need is that you have to bind each potentiometer's signal input as an output for controlling the servos. ![]() If you want a challenge or are learning how to do this, feel free to do this on your own. The first step of this is obviously programming the Arduino. Have some hot glue ready if you want to attach the servos permanently (The 2 at the base will likely need some) Do not attach any pushrods yet as you need to have it powered in order to fine tune the length. Hot glue the horizontal rotation platform and both of the base components together.įor mounting the servos, you insert them into the 5 square slots and screw the servos down into the mounting holes. The two thin sheets are to be hot-glued to the base in order to give clearance for the servo. Insert screws into the larger holes to create working joints. Follow the images above to get an idea for how the components fit together. Prepare 5 screws (and nuts), 4 Servos, and your wires/push-rods to assemble it. Once you have successfully cut out the parts, It's time to assemble the entire thing. Ai file to cut it on a laser cutter, or download the PNG version to print out and tape to the top of your material as a guide. (We recommend using something very lightweight like Balsa wood since 5mm MDF Once you have your chosen material to cut it out from, you may either download the attached. If you lack the ability to cut wood, a sheet of foam-board from your local dollar store will do just as well. For our project we used 5mm thick MDF board and had it cut out with a laser cutter in order to make it as precise as possible. In order to have a working arm we need something capable of supporting the servos and other components and function as an arm. *Important note* you also need the screws that come with most servos in order to mount them securely (Optional) a small but relatively heavy counterweight. Lots of wires (preferably stranded) that can extend the servo wires to their positions and wire the joysticks. 1x battery or just connect it to your computer for power ![]() 6x size 8 screws (At least 18 mm long) and associated nuts Wire or metal rods capable of being used as push-rods (Check thickness) (Solid core wire is okay, Stranded is not) 2x 2 Axis Joysticks (Or 4 Potentiometers, if you lack joysticks or places to acquire them from) Arduino capable of controlling at least 5 servos and receiving input from 2 joysticks (Preferably and UNO) 5mm MDF board or any other 5mm thick wooden boards that are lightweight (Foam-board works too if you don't have the tools necessary to cut wood precisely) In order to construct the arm you need to get some standard components: ![]()
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