Robotics

Robotics tutorials covering mobile robots, robotic arms, and autonomous systems. Learn to build real robots from scratch using Arduino, sensors, motors, and 3D-printed parts with complete wiring diagrams and tested code.

Computer Vision Pick-and-Place: Your Robot Arm Finds, Grasps and Moves Objects (Part 4)

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OmArm Zero grasping a marked cube on the table with overhead camera and ArUco markers

OmArm Zero Series Part 1: Build the arm and ESP32 web control · Part 2: URDF, RViz and Gazebo · Part 3: MoveIt 2 and real robot · Part 4: Computer vision pick-and-place (this post) At a glance What you’ll build: A complete vision-guided pick-and-place pipeline for the OmArm Zero. You’ll calibrate a USB camera, … Read more

MoveIt 2 Tutorial: Motion Planning and Real Robot Control for a 6-DOF Arm

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OmArm Zero robot arm with MoveIt 2 motion planning visualization in RViz

OmArm Zero Series Part 1: Build · Part 2: URDF + RViz + Gazebo · Part 3: MoveIt 2 (this post) · Part 4: Computer Vision Pick-and-Place ▶ At a glance What you’ll build: A fully configured MoveIt 2 setup for the OmArm Zero robot arm. You’ll go from understanding inverse kinematics to planning collision-free … Read more

ROS 2 URDF Tutorial: Visualize and Simulate a Robot Arm in RViz and Gazebo

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▶ At a glance What you’ll build: A complete digital twin of a 6-DOF robot arm (the OmArm Zero) using URDF/Xacro, RViz, and Gazebo Harmonic. You’ll go from an empty workspace to a simulated arm that responds to joint trajectory commands with full physics. Prerequisites: Any URDF-compatible robot arm or the OmArm Zero from Part … Read more

OmArm Zero: Build a 6-DOF (5+1 Gripper) Robotic Arm with ESP32 Web Control

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OmArm Zero ESP32 robotic arm with browser-based web control interface

Build OmArm Zero, a 6-DOF (5+1 gripper) robotic arm with ESP32 WiFi control. Complete build guide with 3D printing files, wiring diagrams, firmware, and a browser-based control interface. 303mm reach, 150g payload, under $50.

Building a Line Following Robot with TCS34725 RGB Sensor

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A 3D-rendered line-following robot designed with an orange and blue chassis, featuring OmArTronics branding, two wheels, and a support caster wheel, suitable for DIY robotics projects.

Complete tutorial for building an advanced TCS34725 line-following robot with Arduino and PID control. Covers 3D chassis design, wiring, sensor calibration, PID tuning, and full code walkthrough. The natural upgrade from the beginner KY-033 line follower project.

Building a Line Following Robot with KY-033 Sensors for Beginners

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A 3D-rendered line-following robot designed with an orange and blue chassis, featuring OmArTronics branding, two wheels, and a support caster wheel, suitable for DIY robotics projects.

Learn how to build a KY-033 line following robot with Arduino from scratch. This beginner tutorial covers 3D design, assembly, wiring, Arduino code, testing, tuning, and troubleshooting for a complete DIY line follower robot project.

OmObiArm: Building a Mobile Robot with an Integrated Robotic Arm Using Arduino and Bluetooth Control

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Mobile robot arm OmObiArm with an orange gripper and four wheels on a white chassis, Bluetooth-controlled and designed using Arduino.

Build OmObiArm, a DIY Bluetooth-controlled mobile robot arm powered by Arduino Mega, HC-05, Adafruit Motor Shield, and PCA9685 servo driver. Complete tutorial covering 3D design, assembly, wiring, Arduino code, MIT App Inventor app, calibration, troubleshooting, and FAQ.

Building the Bluetooth-Controlled Robot Car OmObi with Arduino, HC-05, and Adafruit Motor Shield

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OmObi Bluetooth controlled robot car with four yellow wheels and 3D-printed chassis, ready for wireless control via HC-05 Bluetooth and Arduino

Build a Bluetooth-controlled robot car using an Arduino Uno, HC-05 Bluetooth module, and Adafruit Motor Shield V1.2. Complete tutorial covering 3D chassis design, assembly, wiring, Arduino code, MIT App Inventor app, and troubleshooting.

DIY 6-DOF Robotic Arm with Bluetooth Control: Complete Build Guide

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Build a fully articulated 6-DOF robotic arm with Bluetooth smartphone control using Arduino. Upgrades the potentiometer-controlled arm design to wireless control — complete tutorial with wiring, code, MIT App Inventor app, and troubleshooting.

Building an Advanced Autonomous and Bluetooth-Controlled Robot Car with Arduino Mega, Ultrasonic Sensors, and Adafruit Motor Shield

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Advanced autonomous and remote-controlled robot car equipped with Arduino Mega and sensors.

Build an advanced autonomous robot car with Arduino Mega, four HC-SR04 ultrasonic sensors, HC-05 Bluetooth, and Adafruit Motor Shield. This step-by-step tutorial covers chassis assembly, wiring, Arduino code, an MIT App Inventor control app, and autonomous obstacle avoidance.