Build a Working Radar: Mapping Rooms with Arduino, Ultrasnonics, and Servos
Combine sensors and servos to build a real-time scanning radar. Learn Polar Coordinates, Serial Plotting, and data visualization.
Explore our collection of Robotics tutorials and guides
Combine sensors and servos to build a real-time scanning radar. Learn Polar Coordinates, Serial Plotting, and data visualization.
Turn your Arduino into a robotics controller. Master the SG90 Servo Motor, understand closed-loop control systems, and build precise robotic joints.
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.
Master the Mechanical Relay. Learn how to control desk lamps, fans, and heavy appliances using an Arduino. Understanding NO, NC, and Galvanic Isolation.
Why plugging a motor directly into an Arduino is a disaster. Learn to use Transistors, Diodes, and PWM to control speed and direction safely.