![]() Nunchuk pin 1 (SDA) => Arduino Mega Pin 20 (SDA) (on the shield).Nunchuk pin 6 (SCL) => Arduino Mega Pin 21 (SCL) (on the shield).It makes the connection of the components easier, since it already comes with specific connectors for the servomotors, power supply, etc. I used the controll board shield that came along with my robotic arm kit. Once the structure is assembled, and Nunchuk connectors are finished, you'll be ready to wire up the circuits. It's a good option if you want to same some time on soldering and doesn't want to destroy the original connector. I was informed later that there's a Nunchuk adapter that makes the connection to a breadboad easier. For that, I used a soldering iron, and some shrinking tube, as its shown on the pictures. I soldered the wires to a male jumper, for an easier connection to the Arduino board. I've already heard of the following possibilities: Using a multimeter, and based on the color of each wire, I determined the function of each wire (Vcc, GND, SCL and SDA) based on the schematic of the connector shown in the picture. :/įirst I had to cut the connector of the joystick and remove the insulation of the wires. This way, it won't work with a Nintendo Wii anymore. In order to connect it to the Arduino, I had to cut its cable and expose it's wires. Unfortunatelly Nunchuk joysticks have a complicated connector, hard to interface with other electronics. ![]() Robert Eisele designed an amazing and easy to use library for reading Nunchuk sensor. It has lots of sensors! Each controller has two buttons (Z and C buttons), a two axis joystick (X and Y) and a three axis accelerometer.They are easy to find! There are several original and inexpensive replicas online.They are cheap! Replicas might have a inferior quality, but I didn't need a robust controller for this project.Step 2: Assembling the Robotic Arm Pt1 - Baseįor this project I decided to use a Nintendo Nunchuk controller for a number of reasons: It only runs on website's desktop version. You can use another robotic arm kit, assemble it and jump directly to the electronics and programming steps.Īt each step, there is an animated gif, showing how my robotic arm was assembled. If you doesn't have a similar kit, feel free to jump some steps. In the following 7 steps I'll show you how to assemble the arm kit before wiring up the circuits. There are some awesome projects you can 3D print, for instance. ![]() You might find other robotic arm kits online, or even design your own. MPU6050 3-axis gyroscope and a 3-axis accelerometer.Sain Smart 6-axis mechanical desktop arm already comes with the following components: ![]() It's a good option if you want to same some time on soldering and doesn't want to destroy the original connector as described on Step 9. If you you're not using on of those kits, you might use other Arduino boards as well
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