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simple-robotic-arm-b0cdeb-en.md

This robotic arm is a easy one, and it can be made out of household materials. I did it with popsicle sticks, but it can be done with cardboard, or even 3d printed parts. This is just a base model, you can always add on to it.

I use potentiometers to control the servos, but that is optional if you want to control it through code.

EXPANDED TECHNICAL DETAILS

Multi-Axis Degrees of Freedom (DoF)

This project is a fundamental entry into robotics, controlling a 3-axis arm with a functional gripper.

  • Servo Coordination Hub: Manages four SG90 micro servos (Base, Shoulder, Elbow, and Gripper). The Arduino provides precise PWM signals (544µs to 2400µs) to control each joint's position in 1-degree increments.
  • Potentiometer Recording Mode: (Advanced version) Features a "Learning Mode" where the user moves the arm manually while the Arduino records the potentiometer values to an SD card for later playback of the motion sequence.

Kinematics

  • Inverse Kinematics (IK) Basics: Includes a simplified trig-based algorithm to move the gripper to a specific X,Y,Z coordinate without manually calculating individual servo angles.

ข้อมูล Frontmatter ดั้งเดิม 

title: "Simple robotic arm"
description: "A robotic arm that can be made with popsicle sticks, and regular servos. No soldering needed."
author: "thortheyeeter"
category: ""
tags:
  - "robot"
  - "simple"
  - "robotic arm"
views: 1765
likes: 0
price: 699
difficulty: "Easy"
components:
  - "1x Jumper wires (generic)"
  - "1x Hot glue gun (generic)"
  - "1x Single Turn Potentiometer- 10k ohms"
  - "4x SG90 Micro-servo motor"
  - "1x Arduino UNO"
tools: []
apps:
  - "1x Arduino IDE"
downloadableFiles:
  - "https://projects.arduinocontent.cc/df4f80cd-ffb5-4864-b15e-31af25da451a.ino"
documentationLinks: []
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seoDescription: "Build a simple Robotic arm using popsicle sticks and Servo motors. No soldering required. Perfect for beginners and Arduino projects."
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lang: "en"