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![]() ![]() When you finish all of that, you are ready to do the wiring. It's also important that you cut the lines that go to the chip (the black circle). I connected only 2 buttons, but ended up adding another external button, as I needed it. My joypad had a common for all the switches +5V line. You connect +5V to one end of the switch, and the wire that will go to another Arduino input at the other end. We won't use the Y axis of the left pot, so we only need the pot above the joystick.Īs for the switches. You connect one of the end pins to GND, the other to +5V of the Arduino, and the middle one to a input we will define later. ![]() I traced the potentiometer lines on the PCB. You can also use any other buttons instead the ones on the joypad.īut, if you have one, this is what I did. If you don't have a joypad, you can use these, or simply 3 linear potentiometers. ![]() The analogs (mushrooms) of the joypad are used for controlling the servos, as they are really potentiometers. And that's it!Īssuming that you have finished your mechanical build, now we can move on.įor this project I used an old joypad, but you can also use any other buttons. If you don't have any lying around, there is a workaround, there are instructions in the code, but it would be ideal with the resistors and I strongly recommend them. There is no problem that can't be fixed with duct tape and hot glue! 7. Some thin thread, for the arm mechanism, and a needle to make a hole. Square aluminum tube (25mm 25mm 1,5mm) A fairly powerful power supply (2.5A 5 motors (but you won’t be using them all at the same time) Any Arduino board (I used Arduino UNO) HC05. Not the best solution, but the only one I had lying around, as I live in a new apartment. It comes with plenty of jumper cables and a power supply, yay!ĥ. A small one will do the job, but you can get them for really cheap, so i suggest getting a large one. Unless you are planning on making your own custom PCB, you will need a breadboard. Homemade Robotic Arm Using Standard Parts Using Arduino and a Processing GUI Step 1: Do Your Homework Step 2: Gather Your Parts Step 3: Tools Step 4. Mine is made out of an old notebook, so everything will do the job. It can be wood, plastic, metal, cardboard.you name it. Servo motors, four of the cheapest ones you can get. Arduino board, I used UNO, but really any will do the job. Ok, bill of materials, what do we need? 1. ![]()
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