What’s Inside the Kit: UNO R3 SMD Board (Arduino Compatible): Powerful microcontroller board with ATmega328P SMD version for high performance and stability. USB Cable: For easy programming and power supply. HC-SR04 Ultrasonic Sensor: Measures distance with high precision (2 cm to 400 cm range). SG90 Micro Servo Motor: Lightweight servo motor to rotate the ultrasonic sensor for scanning. Male-to-Male & Male-to-Female Jumper Wires: For fast, solder-free connections between components.

Why This Kit: Perfect for building a DIY Radar / Sonar Project for science fairs, college labs, and robotics competitions. Teaches core concepts of embedded systems, servo control, and ultrasonic sensing. All components are plug-and-play and Arduino compatible – no complex wiring needed. Can be extended with LCD displays, buzzers, or IoT modules to create advanced versions.

Key Specifications: Operating Voltage: 5 V (UNO R3 board) Ultrasonic Sensor Range: 2 cm – 400 cm Servo Motor Torque: ~1.8 kg·cm Breadboard friendly jumper wires for neat connections