Build a Working Radar: Mapping Rooms with Arduino, Ultrasonics, and Servos
Combine sensors and servos to build a real-time scanning radar. Learn Polar Coordinates, Serial Plotting, and data visualization.
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Robotics
Explore our collection of Robotics tutorials and guides
Robotic Muscles: Master Arduino Servo Motors (SG90) for Precision Movement
Turn your Arduino into a robotics controller. Master the SG90 Servo Motor, understand closed-loop control systems, and build precise robotic joints.
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Bat Vision: Build a Collision-Proof Robot with Arduino Ultrasonic Sensors
Give your robot eyes. Learn how the HC-SR04 Ultrasonic Sensor works, master the physics of sound, and build a precision Parking Sensor using Arduino.
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Click-Clack: How to Control High Voltage with Arduino Relays (Safely)
Master the Mechanical Relay. Learn how to control desk lamps, fans, and heavy appliances using an Arduino. Understanding NO, NC, and Galvanic Isolation.
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Don't Burn Your Arduino! The Ultimate Guide to Controlling DC Motors
Why plugging a motor directly into an Arduino is a disaster. Learn to use Transistors, Diodes, and PWM to control speed and direction safely.
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